{"title":"Yamaha Gaskets \u0026 Seals","description":"","products":[{"product_id":"yamaha-outboard-6-300hp-gear-case-oil-drain-washer-seals-replaces-90430-08020-0","title":"Yamaha Outboard Gear Case Oil Drain Washer Seal 90430-08020 6HP-300HP 4Boats","description":"\u003c!-- \n  ***********************************************************\n  EBAY LISTING DATA\n  ***********************************************************\n  OPTIMIZED EBAY TITLE (80 Chars): Yamaha Outboard Gear Case Oil Drain Washer Seal 90430-08020 6HP-300HP 4Boats\n  SEO NOTES: Grounded in SKU 90430-08020 research. Exact technical dimensions (8mm ID) and full OEM cross-reference included. Fitment verified for Yamaha 6-300HP range.\n--\u003e\n\n\u003cdiv style=\"font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 1.6; color: #333333; max-width: 900px; margin: 0 auto;\"\u003e\n\n  \u003cscript type=\"application\/ld+json\"\u003e\n  {\n    \"@context\": \"https:\/\/schema.org\/\",\n    \"@type\": \"Product\",\n    \"name\": \"Yamaha Outboard Gear Case Oil Drain Washer Seal\",\n    \"description\": \"Premium aftermarket gear case oil drain and fill plug washer for Yamaha outboards. Replaces 90430-08020. Precision engineered to prevent oil leaks and water ingress.\",\n    \"brand\": { \"@type\": \"Brand\", \"name\": \"4Boats \/ Aftermarket\" },\n    \"sku\": \"90430-08020\",\n    \"mpn\": \"90430-08020\",\n    \"offers\": {\n      \"@type\": \"Offer\",\n      \"url\": {{ shop.url | append: product.url | json }},\n      \"priceCurrency\": \"GBP\",\n      \"price\": {{ product.price | divided_by: 100.00 | json }},\n      \"availability\": \"https:\/\/schema.org\/InStock\"\n    }\n  }\n  \u003c\/script\u003e\n\n  \u003cdiv style=\"background-color: #2c3e50; color: #ffffff; padding: 40px 20px; text-align: center; border-radius: 6px 6px 0 0;\"\u003e\n    \u003ch1 style=\"margin: 0; font-size: 28px; letter-spacing: 1px; text-transform: uppercase; color: #ffffff;\"\u003eYAMAHA GEAR CASE SEAL 90430-08020\u003c\/h1\u003e\n    \u003cp style=\"margin: 10px 0 0; font-size: 18px; color: #ecf0f1;\"\u003ePremium Quality Lower Unit Replacement Part\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"padding: 25px; border: 1px solid #e0e0e0; border-top: none; background-color: #ffffff;\"\u003e\n    \u003cp style=\"margin-top: 0;\"\u003eMaintaining your outboard's lower unit is critical for long-term reliability. This premium aftermarket gear case oil drain washer is designed to provide a 100% airtight and watertight seal for your Yamaha outboard's drain and fill plugs. Manufactured from high-grade sealing fiber, it acts as a crush-washer to ensure that gear lubricant stays in and corrosive saltwater stays out.\u003c\/p\u003e\n    \u003cdiv style=\"background-color: #f8f9fa; border-left: 5px solid #27ae60; padding: 15px; margin: 20px 0;\"\u003e\n      \u003cstrong style=\"color: #27ae60;\"\u003eRELIABILITY:\u003c\/strong\u003e Built to meet or exceed OEM 90430-08020-00 specifications for a perfect, leak-free compression every time.\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"display: flex; flex-wrap: wrap; margin-top: 20px; gap: 20px;\"\u003e\n    \u003cdiv style=\"flex: 1; min-width: 300px; border: 1px solid #e0e0e0; border-radius: 6px; padding: 20px; background-color: #ffffff;\"\u003e\n      \u003ch3 style=\"color: #2c3e50; border-bottom: 2px solid #3498db; padding-bottom: 10px; margin-top: 0;\"\u003eKey Features\u003c\/h3\u003e\n      \u003cul style=\"list-style-type: none; padding: 0; margin: 0;\"\u003e\n        \u003cli style=\"padding: 10px 0; border-bottom: 1px dashed #eee;\"\u003e✔ Essential for every gear oil change\u003c\/li\u003e\n        \u003cli style=\"padding: 10px 0; border-bottom: 1px dashed #eee;\"\u003e✔ High-density fiber construction\u003c\/li\u003e\n        \u003cli style=\"padding: 10px 0; border-bottom: 1px dashed #eee;\"\u003e✔ Direct fit for 8mm drain screws\u003c\/li\u003e\n        \u003cli style=\"padding: 10px 0; border-bottom: 1px dashed #eee;\"\u003e✔ Prevents catastrophic gear failure\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv style=\"flex: 1; min-width: 300px; border: 1px solid #e0e0e0; border-radius: 6px; padding: 20px; background-color: #ffffff;\"\u003e\n      \u003ch3 style=\"color: #2c3e50; border-bottom: 2px solid #3498db; padding-bottom: 10px; margin-top: 0;\"\u003eTechnical Specs\u003c\/h3\u003e\n      \u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n        \u003ctr\u003e\n\u003ctd style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eInner Diameter:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e8mm (5\/16\")\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eOuter Diameter:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e13mm (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eThickness:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e1.5mm - 1.9mm\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003eHard Compression Fiber\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eType:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003eSingle-Use Crush Washer\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"margin-top: 30px;\"\u003e\n    \u003ch3 style=\"background-color: #34495e; color: #fff; padding: 12px 15px; margin: 0; border-radius: 6px 6px 0 0; text-align: center;\"\u003eCompatibility \/ Fitment Guide\u003c\/h3\u003e\n    \u003cdiv style=\"overflow-x: auto;\"\u003e\n      \u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #ddd;\"\u003e\n        \u003cthead\u003e\u003ctr style=\"background-color: #ecf0f1;\"\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eMake\/System\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eModel\/Application\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n        \u003ctbody\u003e\n          \u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eYamaha Outboard\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e6HP to 300HP (All Models)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2-Stroke \u0026amp; 4-Stroke\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eYamaha WaveRunner\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eMost models 1984 - Current\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eIncludes FX, SJ, XL models\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eParsun \/ Selva\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eMost Yamaha-based units\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eVerify against 8mm screw\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"margin-top: 30px;\"\u003e\n    \u003ch3 style=\"background-color: #34495e; color: #fff; padding: 12px 15px; margin: 0; border-radius: 6px 6px 0 0; text-align: center;\"\u003eOEM Cross Reference\u003c\/h3\u003e\n    \u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #ddd;\"\u003e\n        \u003ctr style=\"background-color: #fcfcfc;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold;\"\u003eYamaha OEM\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e90430-08020-00, 90430-08003, 90430-08021, 90430-08801\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold;\"\u003eYamaha Alternate\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e604-45342-00-00, 90430-08020-0\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr style=\"background-color: #fcfcfc;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold;\"\u003eSierra Marine\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e18-4698\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"margin-top: 30px; background-color: #fcfcfc; border: 1px solid #e0e0e0; border-radius: 6px; padding: 20px;\"\u003e\n    \u003ch3 style=\"color: #2c3e50; border-bottom: 2px solid #3498db; padding-bottom: 10px; margin-top: 0;\"\u003eQuestions \u0026amp; Answers\u003c\/h3\u003e\n    \u003cdiv style=\"margin-bottom: 15px;\"\u003e\n      \u003cp style=\"margin: 0 0 5px 0; font-weight: bold; color: #333;\"\u003eIs this a genuine original part?\u003c\/p\u003e\n      \u003cp style=\"margin: 0; color: #666; font-size: 15px;\"\u003eThis is a premium quality aftermarket replacement part from 4Boats, manufactured to meet or exceed original equipment (OE) standards for fitment and performance.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"margin-bottom: 15px;\"\u003e\n      \u003cp style=\"margin: 0 0 5px 0; font-weight: bold; color: #333;\"\u003eHow do I know if it is compatible?\u003c\/p\u003e\n      \u003cp style=\"margin: 0; color: #666; font-size: 15px;\"\u003eWe recommend checking the SKU 90430-08020. This washer fits virtually all Yamaha outboards from 6HP up to 300HP. If your outboard uses an 8mm drain screw, this is the correct seal.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"margin-bottom: 0;\"\u003e\n      \u003cp style=\"margin: 0 0 5px 0; font-weight: bold; color: #333;\"\u003eHow many washers do I need for a service?\u003c\/p\u003e\n      \u003cp style=\"margin: 0; color: #666; font-size: 15px;\"\u003eStandard Yamaha lower unit services require two washers: one for the lower drain plug and one for the upper vent\/fill plug. We recommend replacing both at every oil change.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"margin-top: 30px; text-align: center; font-size: 14px; color: #7f8c8d; border-top: 1px solid #eee; padding-top: 20px;\"\u003e\n    \u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Please verify your original part number against the references above before purchasing. This product is sold by 4Boats \/ Aftermarket.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Yamaha","offers":[{"title":"Default Title","offer_id":40307263504473,"sku":"90430-08020","price":1.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0568\/8216\/7897\/files\/yamaha-outboard-6-300hp-gear-case-oil-drain-washer-seals-replaces-90430-08020-0-4boats.jpg?v=1738093754"},{"product_id":"4-x-yamaha-outboard-6-300hp-gear-case-oil-drain-washer-seals-replaces-90430-08020-0","title":"4x Yamaha Outboard Gear Case Oil Drain Washer Seals 6-300HP 90430-08020 Gasket","description":"\u003c!-- \n  ***********************************************************\n  EBAY LISTING DATA\n  ***********************************************************\n  OPTIMIZED EBAY TITLE (80 Chars): 4x Yamaha Outboard Gear Case Oil Drain Washer Seals 6-300HP 90430-08020 Gasket\n  SEO NOTES: Grounded in SKU research for Yamaha Part 90430-08020. Fits 2.5HP to 350HP models. Includes full OEM cross-reference and technical dimensions.\n--\u003e\n\n\u003cdiv style=\"font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 1.6; color: #333333; max-width: 900px; margin: 0 auto;\"\u003e\n\n  \u003cscript type=\"application\/ld+json\"\u003e\n  {\n    \"@context\": \"https:\/\/schema.org\/\",\n    \"@type\": \"Product\",\n    \"name\": \"4 x Yamaha Outboard Gear Case Oil Drain Washer Seals - Replaces 90430-08020\",\n    \"description\": \"Premium replacement gearcase oil drain washers for Yamaha outboards. Fits models from 6HP to 300HP. Essential for preventing water ingress into the lower unit during oil changes.\",\n    \"brand\": { \"@type\": \"Brand\", \"name\": \"4Boats \/ Aftermarket\" },\n    \"sku\": \"90430-08020\",\n    \"mpn\": \"90430-08020\",\n    \"offers\": {\n      \"@type\": \"Offer\",\n      \"url\": \"https:\/\/4boats.co.uk\/products\/4-x-yamaha-outboard-6-300hp-gear-case-oil-drain-washer-seals-replaces-90430-08020-0\",\n      \"priceCurrency\": \"GBP\",\n      \"price\": \"{{ product.price | money_without_currency }}\",\n      \"availability\": \"https:\/\/schema.org\/InStock\"\n    }\n  }\n  \u003c\/script\u003e\n\n  \u003cdiv style=\"background-color: #2c3e50; color: #ffffff; padding: 40px 20px; text-align: center; border-radius: 6px 6px 0 0;\"\u003e\n    \u003ch1 style=\"margin: 0; font-size: 28px; letter-spacing: 1px; text-transform: uppercase; color: #ffffff;\"\u003eYamaha Outboard Gear Case Seals (4-Pack)\u003c\/h1\u003e\n    \u003cp style=\"margin: 10px 0 0; font-size: 18px; color: #ecf0f1;\"\u003eReplaces OEM Part: 90430-08020 \/ 90430-08003\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"padding: 25px; border: 1px solid #e0e0e0; border-top: none; background-color: #ffffff;\"\u003e\n    \u003cp style=\"margin-top: 0;\"\u003eMaintenance of your outboard's lower unit is critical for longevity. These premium gearcase oil drain washers are designed to provide a 100% leak-proof seal for the drain and fill screws on Yamaha outboard engines. Manufactured from high-density specialized fiber material, they compress perfectly to prevent oil leaks and, more importantly, to stop saltwater from entering your gearbox.\u003c\/p\u003e\n    \u003cdiv style=\"background-color: #f8f9fa; border-left: 5px solid #27ae60; padding: 15px; margin: 20px 0;\"\u003e\n      \u003cstrong style=\"color: #27ae60;\"\u003eRELIABILITY:\u003c\/strong\u003e Engineered to meet or exceed OEM specifications, ensuring a secure seal under high-pressure engine operation.\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"display: flex; flex-wrap: wrap; margin-top: 20px; gap: 20px;\"\u003e\n    \u003cdiv style=\"flex: 1; min-width: 300px; border: 1px solid #e0e0e0; border-radius: 6px; padding: 20px; background-color: #ffffff;\"\u003e\n      \u003ch3 style=\"color: #2c3e50; border-bottom: 2px solid #3498db; padding-bottom: 10px; margin-top: 0;\"\u003eKey Features\u003c\/h3\u003e\n      \u003cul style=\"list-style-type: none; padding: 0; margin: 0;\"\u003e\n        \u003cli style=\"padding: 10px 0; border-bottom: 1px dashed #eee;\"\u003e✔ Direct fit for Yamaha Drain\/Fill screws\u003c\/li\u003e\n        \u003cli style=\"padding: 10px 0; border-bottom: 1px dashed #eee;\"\u003e✔ High-density oil-resistant fiber\u003c\/li\u003e\n        \u003cli style=\"padding: 10px 0; border-bottom: 1px dashed #eee;\"\u003e✔ Essential for every gear oil change\u003c\/li\u003e\n        \u003cli style=\"padding: 10px 0; border-bottom: 1px dashed #eee;\"\u003e✔ Prevents costly lower unit failure\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv style=\"flex: 1; min-width: 300px; border: 1px solid #e0e0e0; border-radius: 6px; padding: 20px; background-color: #ffffff;\"\u003e\n      \u003ch3 style=\"color: #2c3e50; border-bottom: 2px solid #3498db; padding-bottom: 10px; margin-top: 0;\"\u003eTechnical Specs\u003c\/h3\u003e\n      \u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n        \u003ctr\u003e\n\u003ctd style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eInner Diameter:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: right; padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e8.1mm\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eOuter Diameter:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: right; padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e12.65mm\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eThickness:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: right; padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e1.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eTorque Spec:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: right; padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e7 ± 1 Nm\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"margin-top: 30px;\"\u003e\n    \u003ch3 style=\"background-color: #34495e; color: #fff; padding: 12px 15px; margin: 0; border-radius: 6px 6px 0 0; text-align: center;\"\u003eCompatibility \/ Fitment Guide\u003c\/h3\u003e\n    \u003cdiv style=\"overflow-x: auto;\"\u003e\n      \u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #ddd;\"\u003e\n        \u003cthead\u003e\u003ctr style=\"background-color: #ecf0f1;\"\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eMake\/System\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eModel\/Application\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eYears\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n        \u003ctbody\u003e\n          \u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eYamaha Outboards\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2.5 HP to 350 HP (2 \u0026amp; 4-Stroke)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e1984 – Present\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eMercury Marine\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eYamaha-based 4-Stroke Models\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAll\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eSelva Marine\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAll Models utilizing 8mm Drain Plugs\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAll\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"margin-top: 30px;\"\u003e\n    \u003ch3 style=\"background-color: #34495e; color: #fff; padding: 12px 15px; margin: 0; border-radius: 6px 6px 0 0; text-align: center;\"\u003eOEM Cross Reference\u003c\/h3\u003e\n    \u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #ddd;\"\u003e\n      \u003ctr style=\"background-color: #fdfdfd;\"\u003e\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\n\u003cstrong\u003eYamaha OEM:\u003c\/strong\u003e 90430-08020, 90430-08003, 90430-08021, 90430-08801\u003c\/td\u003e\u003c\/tr\u003e\n      \u003ctr style=\"background-color: #ffffff;\"\u003e\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\n\u003cstrong\u003eSierra Marine:\u003c\/strong\u003e 18-4698, 18-46981-9\u003c\/td\u003e\u003c\/tr\u003e\n      \u003ctr style=\"background-color: #fdfdfd;\"\u003e\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\n\u003cstrong\u003eMercury \/ Mariner:\u003c\/strong\u003e 27-81987, 27-81987M\u003c\/td\u003e\u003c\/tr\u003e\n      \u003ctr style=\"background-color: #ffffff;\"\u003e\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\n\u003cstrong\u003eMallory Marine:\u003c\/strong\u003e 9-60100\u003c\/td\u003e\u003c\/tr\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"margin-top: 30px; background-color: #fcfcfc; border: 1px solid #e0e0e0; border-radius: 6px; padding: 20px;\"\u003e\n    \u003ch3 style=\"color: #2c3e50; border-bottom: 2px solid #3498db; padding-bottom: 10px; margin-top: 0;\"\u003eQuestions \u0026amp; Answers\u003c\/h3\u003e\n    \u003cdiv style=\"margin-bottom: 15px;\"\u003e\n      \u003cp style=\"margin: 0 0 5px 0; font-weight: bold; color: #333;\"\u003eIs this a genuine original part?\u003c\/p\u003e\n      \u003cp style=\"margin: 0; color: #666; font-size: 15px;\"\u003eThis is a premium quality aftermarket replacement part, manufactured by 4Boats \/ Aftermarket to meet or exceed original equipment (OE) standards for fitment and performance.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"margin-bottom: 15px;\"\u003e\n      \u003cp style=\"margin: 0 0 5px 0; font-weight: bold; color: #333;\"\u003eHow do I know if it is compatible?\u003c\/p\u003e\n      \u003cp style=\"margin: 0; color: #666; font-size: 15px;\"\u003eWe recommend checking the SKU\/MPN and Cross Reference list provided above. If your original part number matches any of these, it is a guaranteed fit for your gearcase screws.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"margin-bottom: 0;\"\u003e\n      \u003cp style=\"margin: 0 0 5px 0; font-weight: bold; color: #333;\"\u003eCan I reuse these washers?\u003c\/p\u003e\n      \u003cp style=\"margin: 0; color: #666; font-size: 15px;\"\u003eNo. These are \"crush\" style fiber gaskets designed for single-use. Once they are compressed during installation, they should be replaced every time the gear oil is changed to ensure a reliable seal.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"margin-top: 30px; text-align: center; font-size: 14px; color: #7f8c8d; border-top: 1px solid #eee; padding-top: 20px;\"\u003e\n    \u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Please verify your original part number against the references above before purchasing. Distributed by 4boats.co.uk.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Yamaha","offers":[{"title":"Default Title","offer_id":40307270647897,"sku":"90430-08020a","price":3.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0568\/8216\/7897\/files\/4-x-yamaha-outboard-6-300hp-gear-case-oil-drain-washer-seals-replaces-90430-08020-0-4boats.jpg?v=1738093754"},{"product_id":"impeller-for-yamaha-outboard-25-30-40-50-hp-water-pump-6h4-44352-sierra-18-3068","title":"Water impeller \u0026 gasket for Yamaha 25–50hp outboards 6H4-44352-02","description":"\u003cp\u003eReplacement neoprene water pump impeller and gasket for Yamaha 25–50hp outboards.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePACKAGE INCLUDED: 1× water pump impeller 6H4-44352-02; Gasket: 663-44315-00; Sierra 18-3068\u003c\/li\u003e\n\u003cli\u003eMaterial: neoprene\u003c\/li\u003e\n\u003cli\u003eAPPLICATION: This guide is to be used as a reference only. You must verify fitment using your model or serial number.\u003c\/li\u003e\n\u003cli\u003eYamaha marine part numbers: 6H4-44352-02; Sierra: 18-3068\u003c\/li\u003e\n\u003cli\u003eFits 2‑stroke Yamaha outboards: 25 (3 cyl) (1997–02); 30 (1987–02), C30 (1993–97); 40 (1984–87), 40 (1988–94); 50 (1984–87), 50 (1988–94), PRO 50 (1987), PRO 50 (1988–90), P50 (1991–94), 50 Jet (1986–95)\u003c\/li\u003e\n\u003cli\u003eFits 4‑stroke Yamaha outboards: F25 (1998–05), F25A (2009–17), F25B (2012–17), T25 (2001–06); F30 (2001–05), F30 (2013–17); F40 (2000–06), F40A (2008–17), F40B (2007–08)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003ePlease verify model and serial number before purchase and fitting.\u003c\/p\u003e","brand":"Yamaha","offers":[{"title":"Default Title","offer_id":40469000716377,"sku":"17.200.385a","price":23.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0568\/8216\/7897\/files\/water-pump-impeller-and-gasket-25-30-40-50hp-for-yamaha-outboard-2str-6h4-44352-02-4boats-1.webp?v=1738102618"},{"product_id":"cylinder-base-gasket-for-yamaha-25hp-4-stroke-engines-part-numbers-511-19-65w-11351-10-00-65w-11351-00","title":"Base Gasket by Cylinder Base for Yamaha F20–F50 (1998–2009) | 4Boats","description":"\u003cp\u003eAftermarket base gasket by Cylinder Base for Yamaha 4‑stroke outboards. See fitment and part numbers below and confirm fit for your engine before ordering.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart numbers:\u003c\/strong\u003e 65W-11351-10 — replacement for Yamaha 65W-11351-00 and 65W-11351-10-00; also referenced as 511-19\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Yamaha 4‑stroke outboards F20, F25, FT25, F45, F50 (models 1998–2009)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Cylinder Base\u003c\/li\u003e\n\u003cli\u003eAftermarket replacement; sold as one gasket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuyer responsibility:\u003c\/strong\u003e Verify part numbers and compatibility with your outboard prior to purchase\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yamaha","offers":[{"title":"Default Title","offer_id":40511147114585,"sku":"65W-11351","price":21.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0568\/8216\/7897\/files\/cylinder-base-gasket-for-yamaha-25hp-4-stroke-engines-part-numbers-511-19-65w-11351-10-00-65w-11351-00-4boats-1.jpg?v=1738105167"},{"product_id":"cylinder-head-gasket-for-yamaha-6-hp-8-hp-677-11181","title":"Cylinder Head - Gasket for Yamaha 6\/8 HP 677-11181 | 4Boats","description":"\u003cp\u003eThis cylinder head gasket is designed for Yamaha E8D\/DMH outboard engines (1997-2003), fitting 4.5 kW (6 HP) and 6.0 kW (8 HP) models as a marine-grade aftermarket replacement.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFitment: Yamaha E8D\/DMH 1997-2003 — 4.5 kW (6 HP) and 6.0 kW (8 HP)\u003c\/li\u003e\n\u003cli\u003eReplaces Yamaha OEM part numbers 677-11181-A0-00, 677-11181-A1, 677-11181-A1-00\u003c\/li\u003e\n\u003cli\u003eAlso referenced as 67711181A000, 67711181A1, 67711181A100, 27-95595, 95595M\u003c\/li\u003e\n\u003cli\u003eType: cylinder head gasket for 2-stroke outboards\u003c\/li\u003e\n\u003cli\u003eConstruction: marine-grade aftermarket material for corrosion resistance and durability\u003c\/li\u003e\n\u003cli\u003ePerformance: high-strength seal to maintain compression and prevent coolant or oil leaks\u003c\/li\u003e\n\u003cli\u003eCompatibility note: may fit equivalent Mercury\/Mariner models where the same part number is used — verify against your existing gasket\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003ePlease verify suitability for your specific outboard before purchase; if unsure, provide your engine model, year and current part number and we will help confirm fitment.\u003c\/p\u003e","brand":"Yamaha","offers":[{"title":"Default Title","offer_id":40512893091929,"sku":"677-11181-A0a","price":12.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0568\/8216\/7897\/files\/cylinder-head-gasket-for-yamaha-6-hp-8-hp-677-11181-4boats.jpg?v=1738105237"},{"product_id":"yamaha-upper-casing-gasket-6g5-45114-a1","title":"Genuine Yamaha Genuine Upper Casing Gasket 6G5-45114-A1 | 4Boats","description":"\u003c!-- \n  ***********************************************************\n  EBAY LISTING DATA\n  ***********************************************************\n  OPTIMIZED EBAY TITLE (80 Chars):\n  Yamaha Upper Casing Gasket Outboard 150-250HP V6 Replaces 6G5-45114-A1 6G5-45114-A0\n\n  SEO \u0026 LLM OPTIMISATION NOTES:\n  1. JSON-LD Schema included for Google Rich Snippets.\n  2. Q\u0026A Section added for Voice Search \u0026 AI relevance.\n  3. Key specs are tabulated for easy machine parsing.\n  4. Strategic use of OEM part numbers for search visibility.\n--\u003e\n\n\u003cdiv style=\"font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 1.6; color: #333333; max-width: 900px; margin: 0 auto;\"\u003e\n\n  \u003c!-- JSON-LD SCHEMA FOR SEO\/LLM --\u003e\n  \u003cscript type=\"application\/ld+json\"\u003e\n  {\n    \"@context\": \"https:\/\/schema.org\/\",\n    \"@type\": \"Product\",\n    \"name\": \"Yamaha Upper Casing Gasket 6G5-45114-A1\",\n    \"image\": \"\",\n    \"description\": \"High-quality aftermarket upper casing gasket for Yamaha V6 outboard engines. Precision replacement for 6G5-45114-A1 ensuring a perfect seal between the upper casing and midsection.\",\n    \"brand\": {\n      \"@type\": \"Brand\",\n      \"name\": \"Aftermarket \/ Moto-Electrical\"\n    },\n    \"sku\": \"6G5-45114-A1\",\n    \"mpn\": \"6G5-45114-A1\",\n    \"category\": \"Marine Outboard Parts\",\n    \"offers\": {\n      \"@type\": \"Offer\",\n      \"url\": \"https:\/\/4boats.co.uk\/products\/{{ product.handle }}\",\n      \"priceCurrency\": \"GBP\",\n      \"price\": \"{{ product.price | money_without_currency }}\",\n      \"availability\": \"https:\/\/schema.org\/InStock\",\n      \"itemCondition\": \"https:\/\/schema.org\/NewCondition\"\n    }\n  }\n  \u003c\/script\u003e\n\n  \u003c!-- HERO BANNER SECTION --\u003e\n  \u003cdiv style=\"background-color: #2c3e50; color: #ffffff; padding: 40px 20px; text-align: center; border-radius: 6px 6px 0 0;\"\u003e\n    \u003ch1 style=\"margin: 0; font-size: 28px; letter-spacing: 1px; text-transform: uppercase; color: #ffffff;\"\u003eYamaha Upper Casing Gasket\u003c\/h1\u003e\n    \u003cp style=\"margin: 10px 0 0; font-size: 18px; color: #ecf0f1;\"\u003ePremium Replacement for Yamaha V6 Outboards (150HP - 250HP)\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- INTRODUCTION \/ SEO CONTENT --\u003e\n  \u003cdiv style=\"padding: 25px; border: 1px solid #e0e0e0; border-top: none; background-color: #ffffff;\"\u003e\n    \u003cp style=\"margin-top: 0;\"\u003e\n      Maintain the integrity of your Yamaha outboard's midsection with this high-performance upper casing gasket. Engineered to meet or exceed original equipment specifications, this gasket provides a critical seal between the upper casing and the drive shaft housing.\n    \u003c\/p\u003e\n    \u003cp\u003e\n      Specifically designed for the demanding marine environment, it prevents water intrusion and exhaust leaks, ensuring your cooling system and engine components operate at peak efficiency. This is a vital component for any major lower unit or midsection service on high-horsepower Yamaha V6 engines.\n    \u003c\/p\u003e\n    \n    \u003cdiv style=\"background-color: #f8f9fa; border-left: 5px solid #27ae60; padding: 15px; margin: 20px 0;\"\u003e\n      \u003cstrong style=\"color: #27ae60;\"\u003eDIRECT FIT \/ KEY SELLING POINT:\u003c\/strong\u003e Manufactured to exact OEM dimensions for a \"drop-in\" fitment, eliminating the need for trimming or modification during installation.\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- FEATURES AND SPECS GRID --\u003e\n  \u003cdiv style=\"display: flex; flex-wrap: wrap; margin-top: 20px; gap: 20px;\"\u003e\n    \n    \u003c!-- LEFT COLUMN: FEATURES --\u003e\n    \u003cdiv style=\"flex: 1; min-width: 300px; border: 1px solid #e0e0e0; border-radius: 6px; padding: 20px; background-color: #ffffff;\"\u003e\n      \u003ch3 style=\"color: #2c3e50; border-bottom: 2px solid #3498db; padding-bottom: 10px; margin-top: 0;\"\u003eKey Features\u003c\/h3\u003e\n      \u003cul style=\"list-style-type: none; padding: 0; margin: 0;\"\u003e\n        \u003cli style=\"padding: 10px 0; border-bottom: 1px dashed #eee;\"\u003e\n          \u003cspan style=\"color: #27ae60; margin-right: 10px;\"\u003e✔\u003c\/span\u003e \u003cstrong\u003eMarine Grade:\u003c\/strong\u003e Resistant to salt water and oil.\n        \u003c\/li\u003e\n        \u003cli style=\"padding: 10px 0; border-bottom: 1px dashed #eee;\"\u003e\n          \u003cspan style=\"color: #27ae60; margin-right: 10px;\"\u003e✔\u003c\/span\u003e \u003cstrong\u003eThermal Stability:\u003c\/strong\u003e Handles high operating temperatures.\n        \u003c\/li\u003e\n        \u003cli style=\"padding: 10px 0; border-bottom: 1px dashed #eee;\"\u003e\n          \u003cspan style=\"color: #27ae60; margin-right: 10px;\"\u003e✔\u003c\/span\u003e \u003cstrong\u003ePrecision Cut:\u003c\/strong\u003e Ensures alignment with all mounting bolts.\n        \u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n\n    \u003c!-- RIGHT COLUMN: SPECS --\u003e\n    \u003cdiv style=\"flex: 1; min-width: 300px; border: 1px solid #e0e0e0; border-radius: 6px; padding: 20px; background-color: #ffffff;\"\u003e\n      \u003ch3 style=\"color: #2c3e50; border-bottom: 2px solid #3498db; padding-bottom: 10px; margin-top: 0;\"\u003eTechnical Specs\u003c\/h3\u003e\n      \u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n        \u003ctr\u003e\n          \u003ctd style=\"padding: 8px 0; color: #7f8c8d;\"\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"padding: 8px 0; text-align: right; font-weight: bold;\"\u003e6G5-45114-A1\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd style=\"padding: 8px 0; color: #7f8c8d;\"\u003e\u003cstrong\u003eEngine Type:\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"padding: 8px 0; text-align: right; font-weight: bold;\"\u003eV6 Outboard\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd style=\"padding: 8px 0; color: #7f8c8d;\"\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"padding: 8px 0; text-align: right; font-weight: bold;\"\u003eHigh-Temp Fiber\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- COMPATIBILITY TABLE --\u003e\n  \u003cdiv style=\"margin-top: 30px;\"\u003e\n    \u003ch3 style=\"background-color: #34495e; color: #fff; padding: 12px 15px; margin: 0; border-radius: 6px 6px 0 0; text-align: center;\"\u003eTypical Fitment Guide\u003c\/h3\u003e\n    \u003cdiv style=\"overflow-x: auto;\"\u003e\n      \u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #ddd;\"\u003e\n        \u003cthead\u003e\n          \u003ctr style=\"background-color: #ecf0f1;\"\u003e\n            \u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left; color: #2c3e50;\"\u003eMake\u003c\/th\u003e\n            \u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left; color: #2c3e50;\"\u003eModel Range\u003c\/th\u003e\n            \u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left; color: #2c3e50;\"\u003eEngine Details\u003c\/th\u003e\n          \u003c\/tr\u003e\n        \u003c\/thead\u003e\n        \u003ctbody\u003e\n          \u003ctr\u003e\n            \u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eYamaha\u003c\/td\u003e\n            \u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e150 HP \/ 175 HP\u003c\/td\u003e\n            \u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eV6 2-Stroke \/ 4-Stroke\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eYamaha\u003c\/td\u003e\n            \u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e200 HP \/ 225 HP\u003c\/td\u003e\n            \u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eV6 Engines\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eYamaha\u003c\/td\u003e\n            \u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e250 HP\u003c\/td\u003e\n            \u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eV6 Models\u003c\/td\u003e\n          \u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- OEM CROSS REFERENCE --\u003e\n  \u003cdiv style=\"margin-top: 30px;\"\u003e\n    \u003ch3 style=\"background-color: #34495e; color: #fff; padding: 12px 15px; margin: 0; border-radius: 6px 6px 0 0; text-align: center;\"\u003eOEM Part Number Cross Reference\u003c\/h3\u003e\n    \u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #ddd;\"\u003e\n      \u003ctr style=\"background-color: #fdfdfd;\"\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold; width: 50%;\"\u003eYamaha OEM\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e6G5-45114-A1\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold;\"\u003eYamaha OEM (Alt)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e6G5-45114-A0\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background-color: #fdfdfd;\"\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold;\"\u003eYamaha OEM (Old)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e6G5-45114-00\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- FAQ SECTION --\u003e\n  \u003cdiv style=\"margin-top: 30px; border: 1px solid #e0e0e0; border-radius: 6px; padding: 20px; background-color: #ffffff;\"\u003e\n    \u003ch3 style=\"color: #2c3e50; border-bottom: 2px solid #3498db; padding-bottom: 10px; margin-top: 0;\"\u003eFrequently Asked Questions\u003c\/h3\u003e\n    \u003cdiv style=\"margin-bottom: 15px;\"\u003e\n      \u003ch4 style=\"margin: 0 0 5px 0; color: #333; font-size: 16px;\"\u003eWill this fit my Yamaha 200HP V6?\u003c\/h4\u003e\n      \u003cp style=\"margin: 0; color: #666; font-size: 15px;\"\u003eYes, this gasket is the primary upper casing seal for most Yamaha V6 outboard engines from 150HP through to 250HP. Please check your parts manual for reference 6G5-45114-A1.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"margin-bottom: 15px;\"\u003e\n      \u003ch4 style=\"margin: 0 0 5px 0; color: #333; font-size: 16px;\"\u003eDo I need to use sealant with this gasket?\u003c\/h4\u003e\n      \u003cp style=\"margin: 0; color: #666; font-size: 15px;\"\u003eWhile many technicians install these dry, a light coat of marine-grade gasket sealer can help ensure a perfect seal on older housings with minor surface imperfections.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- FOOTER\/SHIPPING --\u003e\n  \u003cdiv style=\"margin-top: 30px; text-align: center; font-size: 14px; color: #7f8c8d; border-top: 1px solid #eee; padding-top: 20px;\"\u003e\n    \u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Please verify your vehicle model and year before purchasing.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Yamaha","offers":[{"title":"Default Title","offer_id":40555092312153,"sku":"6G5-45114-A1 R5","price":22.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0568\/8216\/7897\/products\/yamaha-upper-casing-gasket-6g5-45114-a1-4boats-24282010615897.jpg?v=1749312342"},{"product_id":"688-45114-a1","title":"Genuine Yamaha Genuine Upper Casing Gasket 75-90 hp | 4Boats","description":"\u003cp\u003eGenuine Yamaha upper casing gasket for 56-67 kW (75-90 hp) outboard engines - OEM replacement for upper casing applications (also suitable for exhaust housing upper casing).\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePart number: \u003cstrong\u003e688-45114-A1\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eFitment: 56-67 kW (75-90 hp) outboard models\u003c\/li\u003e\n\u003cli\u003ePosition: upper casing\u003c\/li\u003e\n\u003cli\u003eGenuine Yamaha OEM replacement\u003c\/li\u003e\n\u003cli\u003eDirect fit for authorised service and repair\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWe are an authorised Yamaha dealer - if you're unsure whether this fits your outboard, \u003ca href=\"\/contact\"\u003econtact us\u003c\/a\u003e and we will find the right part for your engine.\u003c\/p\u003e\u003cp\u003eSee our \u003ca href=\"\/collections\/gaskets\"\u003eGaskets collection\u003c\/a\u003e for related seals and gaskets.\u003c\/p\u003e","brand":"Yamaha","offers":[{"title":"Default Title","offer_id":40555092344921,"sku":"688-45114-A1 R5","price":14.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0568\/8216\/7897\/products\/yamaha-upper-casing-gasket-688-45114-a1-4boats-24282010648665.jpg?v=1749312344"},{"product_id":"yamaha-manifold-gasket-67f-13645-00","title":"Genuine Yamaha Genuine 67F-13645-00 Manifold Gasket F80-F100 | 4Boats","description":"\u003cp\u003eGenuine Yamaha manifold gasket (67F-13645-00) engineered for F80-F100 4‑stroke outboards to restore a factory‑accurate seal and reliable marine performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDirect replacement for OEM 67F-13645-00\u003c\/li\u003e\n\u003cli\u003eFits Yamaha F80 and F100 4‑stroke outboard engines\u003c\/li\u003e\n\u003cli\u003eBuilt for demanding marine environments; resists heat, pressure and corrosion\u003c\/li\u003e\n\u003cli\u003eAccurate factory‑matched fit for a precise, lasting seal\u003c\/li\u003e\n\u003cli\u003eGenuine Yamaha product - not an aftermarket equivalent\u003c\/li\u003e\n\u003cli\u003eFast UK dispatch - delivered in 4-5 working days\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIf you are unsure this is the correct part for your engine model or year, please \u003ca href=\"\/pages\/contact\"\u003e\u003cstrong\u003econtact us\u003c\/strong\u003e\u003c\/a\u003e and our marine specialists will help confirm fitment and advise on installation.\u003c\/p\u003e\u003cp\u003eGasket for OEM 67F-13645-00. Compatibility: fits Yamaha F80-F100 4‑stroke outboard engines. Built for demanding marine environments.\u003c\/p\u003e","brand":"Yamaha","offers":[{"title":"Default Title","offer_id":40555093360729,"sku":"67F-13645-00 R5","price":34.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0568\/8216\/7897\/products\/yamaha-manifold-gasket-67f-13645-00-4boats-24282010779737.jpg?v=1749312344"},{"product_id":"61t-11193-a0","title":"Genuine Yamaha Genuine Head Cover Gasket 61T-11193-A0 | 30hp | 4Boats","description":"\u003cp\u003eGenuine Yamaha head cover gasket for 22.4 kW (30 hp) Yamaha outboards, 1993-1997. OEM part number \u003cstrong\u003e61T-11193-A0\u003c\/strong\u003e - direct replacement for factory fit and seal.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePlacement: factory fit and seal\u003c\/li\u003e\n\u003cli\u003eBrand: Genuine Yamaha\u003c\/li\u003e\n\u003cli\u003ePart number: \u003cstrong\u003e61T-11193-A0\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eFits: 22.4 kW (30 hp) Yamaha 1993-1997 engines\u003c\/li\u003e\n\u003cli\u003eApplication: head cover (valve cover) gasket - OEM fit\u003c\/li\u003e\n\u003cli\u003eQuantity: 1 gasket\u003c\/li\u003e\n\u003cli\u003eCondition: new OEM replacement\u003c\/li\u003e\n\u003cli\u003ePack type: single unit\u003c\/li\u003e\n\u003cli\u003eIf you're unsure whether this fits your engine, feel free to \u003ca href=\"\/contact\"\u003econtact us\u003c\/a\u003e and we will find what's right for your engine.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor fitment help, provide your engine model and serial number when you \u003ca href=\"\/contact\"\u003econtact us\u003c\/a\u003e.\u003c\/p\u003e","brand":"Yamaha","offers":[{"title":"Default Title","offer_id":40555093524569,"sku":"61T-11193-A0 L2","price":26.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0568\/8216\/7897\/products\/yamaha-head-cover-gasket-61t-11193-a0-4boats-24282011533401.jpg?v=1749312355"},{"product_id":"6f0-11193-a0","title":"Genuine Yamaha Genuine Head Cover Gasket 6F0-11193-A0 | 4Boats","description":"\u003cp\u003e\u003cstrong\u003eGenuine Yamaha\u003c\/strong\u003e head cover gasket, OEM part number 6F0-11193-A0 (alt P\/N 6F011193A0). Direct OEM replacement for the head\/valve cover seal.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCylinder head\/valve cover gasket for Yamaha outboard engines.\u003c\/li\u003e\n\u003cli\u003ePart number: 6F0-11193-A0 (alt P\/N 6F011193A0).\u003c\/li\u003e\n\u003cli\u003eSingle-piece moulded seal for the valve\/rocker cover - oil-resistant for long-term durability.\u003c\/li\u003e\n\u003cli\u003eEngineered to OEM specifications; direct replacement to original Yamaha specification.\u003c\/li\u003e\n\u003cli\u003eFitment: fits select Yamaha outboards - verify compatibility by part number, engine model, year and HP before ordering.\u003c\/li\u003e\n\u003cli\u003eIf you're unsure whether this fits your engine, \u003ca href=\"\/contact\"\u003econtact us\u003c\/a\u003e with your engine model, year and HP and we will confirm compatibility or help find the correct part.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yamaha","offers":[{"title":"Default Title","offer_id":40555093590105,"sku":"6F0-11193-A0 L2","price":9.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0568\/8216\/7897\/products\/yamaha-head-cover-gasket-6f0-11193-a0-4boats-24282011598937.jpg?v=1749312357"},{"product_id":"647-13647-00","title":"Genuine Yamaha Genuine Intake Manifold Gasket 647-13647-00 | 4Boats","description":"\u003cp\u003eGenuine Yamaha intake manifold gasket - OEM replacement part 647-13647-00; supersedes 64713647A000 (discontinued).\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Genuine Yamaha\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e 647-13647-00\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupersedes:\u003c\/strong\u003e 64713647A000 (discontinued)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Intake manifold gasket - OEM replacement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Fits Yamaha outboard engines (verify part number for exact fit)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e OEM-specified heat- and fuel-resistant gasket material\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNotes:\u003c\/strong\u003e Matches OEM dimensions and fit; sold as a single gasket; packaged for marine storage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Replace when manifold is removed; follow factory torque and sealant specifications\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIf you're unsure whether this fits your engine, contact us and we will confirm fit for your Yamaha outboard.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Yamaha","offers":[{"title":"Default Title","offer_id":40555093622873,"sku":"647-13647-00 L2","price":13.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0568\/8216\/7897\/products\/yamaha-gasket-intake-manifold-647-13647-00-4boats-24282011631705.jpg?v=1749312358"},{"product_id":"67f-11181-03","title":"Genuine Yamaha Genuine Cylinder Head Gasket L2 - 67F-11181-03 | 4Boats","description":"\u003cp\u003eGenuine Yamaha cylinder head gasket L2 - OEM marine replacement for compatible outboard engines.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCylinder head gasket for outboards\u003c\/li\u003e\n\u003cli\u003ePart number: 67F-11181-03\u003c\/li\u003e\n\u003cli\u003eFor engines - 56 kW (75 hp): 2014\u003c\/li\u003e\n\u003cli\u003eFor engines - 67 kW (90 hp): 2007\u003c\/li\u003e\n\u003cli\u003eFor engines - 86 kW (115 hp): 2006-2013\u003c\/li\u003e\n\u003cli\u003eDirect OEM replacement, manufactured to Yamaha specification\u003c\/li\u003e\n\u003cli\u003eIf unsure whether this fits, \u003cstrong\u003econtact us\u003c\/strong\u003e with your engine details\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eOrder from \u003ca href=\"\/collections\/genuine-yamaha-parts\"\u003eGenuine Yamaha Parts\u003c\/a\u003e at 4Boats or \u003ca href=\"https:\/\/www.4boats.co.uk\/contact-us\"\u003econtact us\u003c\/a\u003e for fast fitment checks and genuine parts.\u003c\/p\u003e","brand":"Yamaha","offers":[{"title":"Default Title","offer_id":40555093655641,"sku":"67F-11181-03 L2","price":133.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0568\/8216\/7897\/products\/yamaha-cylinder-head-gasket-67f-11181-03-4boats-24282011664473.jpg?v=1749312359"},{"product_id":"676-11181-a1","title":"Genuine Yamaha Genuine Cylinder Head Gasket 676-11181-A1 | 4Boats","description":"\u003cp\u003eGenuine Yamaha cylinder head gasket for 29.8 kW (40 hp) outboard - OEM replacement part 676-11181-A1.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGasket for Yamaha 29.8 kW (40 hp) outboard (1997). Part number: 676-11181-A1.\u003c\/li\u003e\n\u003cli\u003eGenuine Yamaha OEM part manufactured to original specifications.\u003c\/li\u003e\n\u003cli\u003eDirect replacement cylinder head gasket for reliable sealing.\u003c\/li\u003e\n\u003cli\u003eEngineered to withstand operating heat and pressure.\u003c\/li\u003e\n\u003cli\u003eSimple swap-in fit for correct installation.\u003c\/li\u003e\n\u003cli\u003eSuitable for maintenance, repair and engine rebuilds.\u003c\/li\u003e\n\u003cli\u003eWe are an authorised Yamaha dealer.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eAuthorised dealer:\u003c\/strong\u003e \u003ca href=\"\/contact\"\u003eContact us\u003c\/a\u003e with your engine serial for fitment confirmation.\u003c\/p\u003e","brand":"Yamaha","offers":[{"title":"Default Title","offer_id":40555093688409,"sku":"676-11181-A1 L2","price":49.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0568\/8216\/7897\/products\/yamaha-cylinder-head-gasket-676-11181-a1-4boats-24282011697241.jpg?v=1749312361"},{"product_id":"gasket-688-13621-a1","title":"Genuine Yamaha Genuine Valve Seat Gasket 688-13621-A1 | 4Boats","description":"\u003cp\u003eGenuine Yamaha valve seat gasket for 56-66 kW (75-90 hp) outboards - direct OEM replacement for 1993-2001 models.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePart number: 688-13621-A1\u003c\/li\u003e\n\u003cli\u003eFits 56-66 kW (75-90 hp) engines - 1993-2001\u003c\/li\u003e\n\u003cli\u003eOEM replacement valve seat gasket - Genuine Yamaha quality\u003c\/li\u003e\n\u003cli\u003eDirect fit for specified models; no modification required\u003c\/li\u003e\n\u003cli\u003eDesigned to OEM standards for reliable sealing\u003c\/li\u003e\n\u003cli\u003eCompatible with outboard and inboard engines where specified\u003c\/li\u003e\n\u003cli\u003eIf unsure whether this fits your engine, call us for identification help\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWe are an authorised Yamaha dealer\u003c\/strong\u003e and hold extensive stock of components, including older items to support legacy engines.\u003c\/p\u003e","brand":"Yamaha","offers":[{"title":"Default Title","offer_id":40555093753945,"sku":"688-13621-A1 R2","price":9.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0568\/8216\/7897\/products\/yamaha-valve-seat-gasket-688-13621-a1-4boats-24282011828313.jpg?v=1749312362"},{"product_id":"gasket-6h4-14198-09","title":"Genuine Yamaha Genuine Plate Gasket L2 - 6H4-14198-09 | 4Boats","description":"\u003cp\u003eGenuine Yamaha plate gasket - OEM replacement for marine engines.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGenuine Yamaha plate gasket. Part number: 6H4-14198-09. If you're unsure whether this fits your engine, feel free to give us a call.\u003c\/li\u003e\n\u003cli\u003eEngine model: L2 compatible replacement\u003c\/li\u003e\n\u003cli\u003eOEM-quality sealing for plate assemblies\u003c\/li\u003e\n\u003cli\u003eDirect fit to original Yamaha mounting points\u003c\/li\u003e\n\u003cli\u003eSuitable for outboard and inboard applications\u003c\/li\u003e\n\u003cli\u003eMaterial: high-quality gasket compound for reliable sealing\u003c\/li\u003e\n\u003cli\u003eAuthorised Yamaha dealer stock; older components available\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yamaha","offers":[{"title":"Default Title","offer_id":40555093917785,"sku":"6H4-14198-09 L2","price":5.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0568\/8216\/7897\/products\/yamaha-plate-gasket-6h4-14198-09-4boats-24282011861081.jpg?v=1749312362"},{"product_id":"gasket-6h4-45114-a1","title":"Genuine Yamaha Genuine L2 Upper Casing Gasket 6H4-45114-A1 | 4Boats","description":"\u003cp\u003eGenuine Yamaha L2 upper casing gasket - OEM replacement for 40-50hp outboard engines to restore the upper casing seal and prevent leaks.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePart number: 6H4-45114-A1\u003c\/li\u003e\n\u003cli\u003eFits 1987-1994 40-50hp outboard engines\u003c\/li\u003e\n\u003cli\u003eFor L2 upper casing\u003c\/li\u003e\n\u003cli\u003eRestores upper casing seal and prevents leaks\u003c\/li\u003e\n\u003cli\u003eGenuine Yamaha OEM replacement - direct fit, no modification required\u003c\/li\u003e\n\u003cli\u003ePrevents water ingress and maintains crankcase seal\u003c\/li\u003e\n\u003cli\u003eAuthorised dealer stock; call or \u003ca href=\"\/contact\"\u003econtact us\u003c\/a\u003e for fitment help\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yamaha","offers":[{"title":"Default Title","offer_id":40555093950553,"sku":"6H4-45114-A1 L2","price":10.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0568\/8216\/7897\/products\/yamaha-upper-casing-gasket-6h4-45114-a1-4boats-24282011893849.jpg?v=1749312364"},{"product_id":"gasket-6e5-13645-a1","title":"Genuine Yamaha Genuine Manifold Gasket 6E5-13645-A1 | 4Boats","description":"\u003cp\u003eGenuine Yamaha manifold gasket - direct OEM replacement for select 1984-2004 outboards rated 86-97 kW (115-130 hp).\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e 6E5-13645-A1\u003c\/li\u003e\n\u003cli\u003eFits 1984-2004 models rated 86-97 kW (115-130 hp)\u003c\/li\u003e\n\u003cli\u003eProduct type: manifold gasket (upper casing application)\u003c\/li\u003e\n\u003cli\u003eOEM genuine replacement to factory specification\u003c\/li\u003e\n\u003cli\u003eDurable construction for reliable sealing and corrosion resistance\u003c\/li\u003e\n\u003cli\u003eDirect-fit replacement for quick installation\u003c\/li\u003e\n\u003cli\u003eAuthorised Genuine Yamaha part for assured compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWe are an authorised Yamaha dealer - contact us if you’re unsure about fitment and we will find the correct part for your engine.\u003c\/p\u003e","brand":"Yamaha","offers":[{"title":"Default Title","offer_id":40555093983321,"sku":"6E5-13645-A1 R2","price":32.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0568\/8216\/7897\/products\/yamaha-manifold-gasket-6e5-13645-a1-4boats-24282011959385.jpg?v=1749312366"},{"product_id":"gasket-676-45114-a1","title":"Genuine Yamaha Genuine R2 Upper Casing Gasket 676-45114-A1 (3 | 4Boats","description":"\u003cp\u003eGenuine Yamaha R2 upper casing gasket - direct OEM replacement for 30 kW (40 hp) engines (1990-2002).\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Genuine Yamaha\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e 676-45114-A1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e 30 kW (40 hp) engines - 1990-2002\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e R2 upper casing gasket - OEM replacement for correct seal and longevity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e durable gasket compound formulated for marine use\u003c\/li\u003e\n\u003cli\u003eDesigned for reliable sealing between upper casing components\u003c\/li\u003e\n\u003cli\u003eWE ARE AN AUTHORISED YAMAHA DEALER, IF YOU'RE UNSURE WHETHER THIS FITS YOUR OUTBOARD\/INBOARD, FEEL FREE TO \u003ca href=\"\/pages\/contact\"\u003eCONTACT US\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003ePlease check the part number and engine year before ordering; contact us for fitment help or technical enquiries.\u003c\/p\u003e","brand":"Yamaha","offers":[{"title":"Default Title","offer_id":40555094016089,"sku":"676-45114-A1 R2","price":14.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0568\/8216\/7897\/products\/yamaha-upper-casing-gasket-676-45114-a1-4boats-24282011992153.jpg?v=1749312368"},{"product_id":"gasket-6l2-13621-00","title":"Genuine Yamaha Genuine Valve Seat Gasket 6L2-13621-00 | 4Boats","description":"\u003cp\u003eGenuine Yamaha valve seat gasket for 14.9-18.6 kW (20-25 hp) engines, 1995-2006 - OEM replacement to restore valve sealing and engine performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGenuine Yamaha OEM replacement part\u003c\/li\u003e\n\u003cli\u003eFits 14.9-18.6 kW (20-25 hp) engines - 1995-2006 models\u003c\/li\u003e\n\u003cli\u003ePart number: 6L2-13621-00\u003c\/li\u003e\n\u003cli\u003eValve seat gasket ensuring correct valve sealing\u003c\/li\u003e\n\u003cli\u003eDurable OEM-grade materials designed for marine use\u003c\/li\u003e\n\u003cli\u003eDirect-fit component for compatible outboard and inboard engines\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eAuthorised Yamaha dealer - contact us if unsure about fitment\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIf you need assistance confirming fitment for your boat, contact us and we will identify the correct part for your engine.\u003c\/p\u003e","brand":"Yamaha","offers":[{"title":"Default Title","offer_id":40555094048857,"sku":"6L2-13621-00 R2","price":18.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0568\/8216\/7897\/products\/yamaha-valve-seat-gasket-6l2-13621-00-4boats-24282012024921.jpg?v=1749312369"},{"product_id":"gasket-6f5-45113-a1","title":"Genuine Yamaha Genuine Upper Casing Gasket 6F5-45113-A1 (40 h | 4Boats","description":"\u003cp\u003eGenuine Yamaha upper casing gasket (OEM no. 6F5-45113-A1) for 29.8 kW (40 hp) outboards, model years 1994-1997. Direct OEM replacement that supersedes 6F5-45113-A0.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFits 29.8 kW (40 hp) outboards - 1994-1997\u003c\/li\u003e\n\u003cli\u003eOEM part no. 6F5-45113-A1 (supersedes 6F5-45113-A0)\u003c\/li\u003e\n\u003cli\u003eDirect OEM replacement - no modification required\u003c\/li\u003e\n\u003cli\u003eDurable gasket compound for reliable sealing\u003c\/li\u003e\n\u003cli\u003eUnsure about fit? \u003ca href=\"\/contact\"\u003eContact us\u003c\/a\u003e - authorised Yamaha dealer\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBuy the genuine upper casing gasket for exact fit and a lasting seal.\u003c\/p\u003e","brand":"Yamaha","offers":[{"title":"Default Title","offer_id":40555094081625,"sku":"6F5-45113-A1 \/ 6F5-45113-A0 R2","price":30.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0568\/8216\/7897\/products\/yamaha-upper-casing-gasket-6f5-45113-a1-4boats-24282012057689.jpg?v=1749312370"},{"product_id":"gasket-6l2-11193-a1","title":"Genuine Yamaha Genuine Head Cover Gasket 6L2-11193-A1 | 4Boats","description":"\u003cp\u003eGenuine Yamaha head cover gasket for 14.9-18.6 kW (20-25 hp) outboard engines, model years 1991-2007. OEM replacement part 6L2-11193-A1.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOEM replacement part 6L2-11193-A1.\u003c\/li\u003e\n\u003cli\u003eFit: 14.9-18.6 kW (20-25 hp) engines\u003c\/li\u003e\n\u003cli\u003eYears: 1991-2007\u003c\/li\u003e\n\u003cli\u003ePart number: \u003cstrong\u003e6L2-11193-A1\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eType: direct OEM fit\u003c\/li\u003e\n\u003cli\u003eBrand: Genuine Yamaha\u003c\/li\u003e\n\u003cli\u003eCondition: Genuine OEM replacement\u003c\/li\u003e\n\u003cli\u003eWe are an authorised Yamaha dealer; if you're unsure whether this fits your engine, \u003ca href=\"\/contact\"\u003econtact us\u003c\/a\u003e for fitment help\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSupplied as a single genuine gasket to restore the correct seal and prevent oil leaks. Check compatibility before ordering.\u003c\/p\u003e","brand":"Yamaha","offers":[{"title":"Default Title","offer_id":40555094147161,"sku":"6L2-11193-A1 } R2","price":21.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0568\/8216\/7897\/products\/yamaha-head-cover-gasket-6l2-11193-a1-4boats-24282012090457.jpg?v=1749312371"},{"product_id":"thermostat-gasket-yamaha-4a","title":"Genuine Yamaha Genuine Thermostat Gasket 67D-12414-A0 | 4Boats","description":"\u003cp\u003eGenuine Yamaha thermostat gasket 67D-12414-A0 - OEM replacement for select 4A-series outboard engines.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFits: 4A-series outboard engines - F2.5A, F2.5B, F4A, F4B, F5A, F6C\u003c\/li\u003e\n\u003cli\u003ePart number: 67D-12414-A0\u003c\/li\u003e\n\u003cli\u003eSupersedes: 68D-E2414-A0\u003c\/li\u003e\n\u003cli\u003eComponent: Thermostat gasket for 4A-series engines\u003c\/li\u003e\n\u003cli\u003eOrigin: Genuine Yamaha OEM part\u003c\/li\u003e\n\u003cli\u003eCondition: New, ready for installation\u003c\/li\u003e\n\u003cli\u003eFunction: Ensures correct seal and reliable cooling system performance\u003c\/li\u003e\n\u003cli\u003eConfirm model compatibility before ordering\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eConfirm model compatibility before ordering to guarantee a direct fit and proper operation.\u003c\/p\u003e","brand":"Yamaha","offers":[{"title":"Default Title","offer_id":40555097751641,"sku":"67D-12414-A0","price":6.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0568\/8216\/7897\/products\/yamaha-thermostat-gasket-4a-4boats-24282016481369.jpg?v=1749312442"},{"product_id":"yamaha-water-pump-gasket-63d-44316-00","title":"Genuine Yamaha Genuine Outboard Water Pump Gasket 63D-44316-0 | 4Boats","description":"\u003cp\u003eGenuine Yamaha water pump gasket 63D-44316-00 - OEM replacement seal for selected outboards. Supplied as a single gasket; impeller and housing are not included.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e 63D-44316-00 (OEM)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e 40V, 40X, 40Y, 50H, FT25B, FT25F, F30A, F30B, F60F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower range:\u003c\/strong\u003e 30-45 kW (40-60 hp) outboards\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e water pump\/impeller housing gasket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e OEM-quality elastomer for reliable sealing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFit:\u003c\/strong\u003e direct OEM fit - no modification required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupplied as:\u003c\/strong\u003e single gasket for straightforward replacement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e ideal for water pump repair kits and routine maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eNote:\u003c\/em\u003e This part is specified for 40-60 hp (30-45 kW) outboards and also fits select FT25B and FT25F models; verify your engine model\/year if unsure.\u003c\/p\u003e\u003cp\u003eSee our \u003ca href=\"\/collections\/water-pump-gaskets\"\u003eWater Pump Gaskets\u003c\/a\u003e collection for related parts.\u003c\/p\u003e","brand":"Yamaha","offers":[{"title":"Default Title","offer_id":40555097849945,"sku":"63D-44316-00","price":7.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0568\/8216\/7897\/products\/yamaha-water-pump-gasket-63d-44316-00-4boats-24282016579673.jpg?v=1749312444"},{"product_id":"yamaha-outboard-thermostat-gasket-62y-12414-00","title":"Genuine Yamaha Genuine Thermostat Gasket 62Y-12414-00 | 4Boats","description":"\u003cp\u003eGenuine Yamaha thermostat housing gasket - OEM replacement part 62Y-12414-00 for select 37.3-52.2 kW (50-70 HP) outboards.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGenuine Yamaha OEM part no 62Y-12414-00\u003c\/li\u003e\n\u003cli\u003eFits 37.3 kW (50 HP), 44.7 kW (60 HP), 52.2 kW (70 HP) models\u003c\/li\u003e\n\u003cli\u003eFor 2-stroke 50\/60\/70 engines\u003c\/li\u003e\n\u003cli\u003eAlso fits four-stroke 50 G, 60F and 70B models\u003c\/li\u003e\n\u003cli\u003eThermostat housing gasket - cooling system seal\u003c\/li\u003e\n\u003cli\u003eDurable, saltwater-resistant material\u003c\/li\u003e\n\u003cli\u003eDirect drop-in replacement for original Yamaha spares\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCheck the part number against your engine model before ordering; simple to fit with basic tools.\u003c\/p\u003e","brand":"Yamaha","offers":[{"title":"Default Title","offer_id":40555100766297,"sku":"62Y-12414-00","price":10.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0568\/8216\/7897\/products\/yamaha-outboard-thermostat-gasket-50hp-4boats-24282018381913.jpg?v=1749312481"},{"product_id":"honda-impeller-kit-part-number-18-3031-sierra","title":"Yamaha Outboard Thermostat Gasket 688-12414-A1 75-225HP V4 V6 Saltwater Series","description":"\u003c!-- \n  ***********************************************************\n  EBAY LISTING DATA\n  ***********************************************************\n  OPTIMIZED EBAY TITLE (80 Chars): Yamaha Outboard Thermostat Gasket 688-12414-A1 75-225HP V4 V6 Saltwater Series\n  SEO NOTES: Grounded in SKU research for 688-12414-A1. 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Specifically designed for Yamaha 2-stroke outboard motors, this part ensures a secure, leak-free seal for the thermostat housing. A compromised gasket can lead to coolant loss and engine overheating; this high-grade replacement is built to withstand the demanding thermal cycles of marine environments.\u003c\/p\u003e\n\u003cdiv style=\"background-color: #f8f9fa; border-left: 5px solid #27ae60; padding: 15px; margin: 20px 0;\"\u003e\n\u003cstrong style=\"color: #27ae60;\"\u003eRELIABILITY:\u003c\/strong\u003e Manufactured to meet or exceed OEM specifications for perfect fitment and long-lasting durability in both freshwater and saltwater conditions.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; margin-top: 20px; gap: 20px;\"\u003e\n\u003cdiv style=\"flex: 1; min-width: 300px; border: 1px solid #e0e0e0; border-radius: 6px; padding: 20px; background-color: #ffffff;\"\u003e\n\u003ch3 style=\"color: #2c3e50; border-bottom: 2px solid #3498db; padding-bottom: 10px; margin-top: 0;\"\u003eKey Features\u003c\/h3\u003e\n\u003cul style=\"list-style-type: none; padding: 0; margin: 0;\"\u003e\n\u003cli style=\"padding: 10px 0; border-bottom: 1px dashed #eee;\"\u003e✔ Direct fit for Yamaha 75-225 HP\u003c\/li\u003e\n\u003cli style=\"padding: 10px 0; border-bottom: 1px dashed #eee;\"\u003e✔ High-temperature resistant material\u003c\/li\u003e\n\u003cli style=\"padding: 10px 0; border-bottom: 1px dashed #eee;\"\u003e✔ Essential for proper cooling regulation\u003c\/li\u003e\n\u003cli style=\"padding: 10px 0; border-bottom: 1px dashed #eee;\"\u003e✔ Compatible with Saltwater Series models\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 300px; border: 1px solid #e0e0e0; border-radius: 6px; padding: 20px; background-color: #ffffff;\"\u003e\n\u003ch3 style=\"color: #2c3e50; border-bottom: 2px solid #3498db; padding-bottom: 10px; margin-top: 0;\"\u003eTechnical Specs\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 0; border-bottom: 1px solid #f0f0f0;\"\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 0; border-bottom: 1px solid #f0f0f0; text-align: right;\"\u003eYamaha\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 0; border-bottom: 1px solid #f0f0f0;\"\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 0; border-bottom: 1px solid #f0f0f0; text-align: right;\"\u003e688-12414-A1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 0; border-bottom: 1px solid #f0f0f0;\"\u003e\u003cstrong\u003eSupersedes:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 0; border-bottom: 1px solid #f0f0f0; text-align: right;\"\u003e688-12414-00, 688-12414-A0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 0; border-bottom: 1px solid #f0f0f0;\"\u003e\u003cstrong\u003eShipping Weight:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 0; border-bottom: 1px solid #f0f0f0; text-align: right;\"\u003e~0.1kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 0; border-bottom: 1px solid #f0f0f0;\"\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 0; border-bottom: 1px solid #f0f0f0; text-align: right;\"\u003eReinforced Composite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 30px;\"\u003e\n\u003ch3 style=\"background-color: #34495e; color: #fff; padding: 12px 15px; margin: 0; border-radius: 6px 6px 0 0; text-align: center;\"\u003eCompatibility \/ Fitment Guide\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #ddd;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #ecf0f1;\"\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eHorsepower Range\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eEngine Models\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e75 - 90 HP\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e75A, 75C, E75B, 80A, 85A, 90A, 90E\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e2-Stroke Models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e115 - 140 HP\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e115A, 115B, 115C, 130B, 140A, S115\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eV4 Models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e150 - 225 HP\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e150A, 150F, 200A, 225A, SX150, S150\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eV6 Saltwater Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eHPDI Series\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eZ150P, Z175G, Z200N\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eHigh Pressure Direct Injection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 30px;\"\u003e\n\u003ch3 style=\"background-color: #34495e; color: #fff; padding: 12px 15px; margin: 0; border-radius: 6px 6px 0 0; text-align: center;\"\u003eOEM Cross Reference\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #ddd;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eYamaha\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e688-12414-A1-00, 688-12414-00-00, 688-12414-A0-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eSierra Marine\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e18-0844\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eMallory Marine\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e9-60003\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 30px; background-color: #fcfcfc; border: 1px solid #e0e0e0; border-radius: 6px; padding: 20px;\"\u003e\n\u003ch3 style=\"color: #2c3e50; border-bottom: 2px solid #3498db; padding-bottom: 10px; margin-top: 0;\"\u003eQuestions \u0026amp; Answers\u003c\/h3\u003e\n\u003cdiv style=\"margin-bottom: 15px;\"\u003e\n\u003cp style=\"margin: 0 0 5px 0; font-weight: bold; color: #333;\"\u003eIs this a genuine original part?\u003c\/p\u003e\n\u003cp style=\"margin: 0; color: #666; font-size: 15px;\"\u003eThis is a premium quality aftermarket replacement part, manufactured to meet or exceed original equipment (OE) standards for fitment and performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 15px;\"\u003e\n\u003cp style=\"margin: 0 0 5px 0; font-weight: bold; color: #333;\"\u003eHow do I know if it is compatible?\u003c\/p\u003e\n\u003cp style=\"margin: 0; color: #666; font-size: 15px;\"\u003eWe recommend checking the SKU\/MPN and Cross Reference list provided above. If your original part number is 688-12414-00 or 688-12414-A1, this is the correct part.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 0;\"\u003e\n\u003cp style=\"margin: 0 0 5px 0; font-weight: bold; color: #333;\"\u003eDoes this fit the Yamaha Saltwater Series SX150?\u003c\/p\u003e\n\u003cp style=\"margin: 0; color: #666; font-size: 15px;\"\u003eYes, this gasket is specifically designed to fit the thermostat housing of the Yamaha S150 and SX150 Saltwater Series models.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 30px; text-align: center; font-size: 14px; color: #7f8c8d; border-top: 1px solid #eee; padding-top: 20px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Please verify your original part number against the references above before purchasing. Distributed by 4boats.co.uk.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Yamaha","offers":[{"title":"Default Title","offer_id":40555955093593,"sku":"18-0844","price":11.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0568\/8216\/7897\/products\/688-12414-a1-00-thermostat-cover-gasket-for-yamaha-engines-90hp-200hp-v-4-and-v-6-4boats.jpg?v=1738107537"},{"product_id":"cylinder-head-gasket-6e5-11181-a2-a1-a0-for-yamaha-115hp-130hp-2-stroke-outboard-engine","title":"Cylinder Head Gasket for Yamaha 115HP 130HP V4 2-Stroke 6E5-11181-A2 A1 A0","description":"\u003c!-- \n  ***********************************************************\n  EBAY LISTING DATA\n  ***********************************************************\n  OPTIMIZED EBAY TITLE (80 Chars): Cylinder Head Gasket for Yamaha 115HP 130HP V4 2-Stroke 6E5-11181-A2 A1 A0\n  SEO NOTES: Research verified fitment for Yamaha V4 2-stroke outboards (115hp-130hp). Replaces Sierra 18-3832. High-temp resistant composite construction.\n--\u003e\n\n\u003cdiv style=\"font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 1.6; color: #333333; max-width: 900px; margin: 0 auto;\"\u003e\n\n  \u003cscript type=\"application\/ld+json\"\u003e\n  {\n    \"@context\": \"https:\/\/schema.org\/\",\n    \"@type\": \"Product\",\n    \"name\": \"Cylinder Head Gasket for Yamaha 115HP-130HP 2-Stroke Outboard\",\n    \"description\": \"Premium quality replacement cylinder head gasket for Yamaha V4 2-stroke outboard engines. Engineered to provide a precision seal for combustion chambers and cooling passages.\",\n    \"brand\": { \"@type\": \"Brand\", \"name\": \"Yamaha\" },\n    \"sku\": \"6E5-11181-A2\",\n    \"mpn\": \"6E5-11181-A2-00\",\n    \"offers\": {\n      \"@type\": \"Offer\",\n      \"url\": \"https:\/\/4boats.co.uk\/products\/{{ product.handle }}\",\n      \"priceCurrency\": \"GBP\",\n      \"price\": \"{{ product.price | money_without_currency }}\",\n      \"availability\": \"https:\/\/schema.org\/InStock\"\n    }\n  }\n  \u003c\/script\u003e\n\n  \u003cdiv style=\"background-color: #2c3e50; color: #ffffff; padding: 40px 20px; text-align: center; border-radius: 6px 6px 0 0;\"\u003e\n    \u003ch1 style=\"margin: 0; font-size: 28px; letter-spacing: 1px; text-transform: uppercase; color: #ffffff;\"\u003e6E5-11181-A2 Cylinder Head Gasket\u003c\/h1\u003e\n    \u003cp style=\"margin: 10px 0 0; font-size: 18px; color: #ecf0f1;\"\u003ePrecision Replacement for Yamaha V4 Outboards\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"padding: 25px; border: 1px solid #e0e0e0; border-top: none; background-color: #ffffff;\"\u003e\n    \u003cp style=\"margin-top: 0;\"\u003eMaintain optimal compression and prevent internal cooling leaks with this premium cylinder head gasket. Designed specifically for Yamaha V4 2-stroke outboard engines, this part is critical for engine overhauls and routine maintenance. It serves as a direct replacement for multiple superseded part numbers, ensuring a perfect fit with modern gasket technology.\u003c\/p\u003e\n    \u003cdiv style=\"background-color: #f8f9fa; border-left: 5px solid #27ae60; padding: 15px; margin: 20px 0;\"\u003e\n      \u003cstrong style=\"color: #27ae60;\"\u003eRELIABILITY:\u003c\/strong\u003e Manufactured with high-temperature resistant materials to withstand the rigorous demands of marine combustion environments.\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"display: flex; flex-wrap: wrap; margin-top: 20px; gap: 20px;\"\u003e\n    \u003cdiv style=\"flex: 1; min-width: 300px; border: 1px solid #e0e0e0; border-radius: 6px; padding: 20px; background-color: #ffffff;\"\u003e\n      \u003ch3 style=\"color: #2c3e50; border-bottom: 2px solid #3498db; padding-bottom: 10px; margin-top: 0;\"\u003eKey Features\u003c\/h3\u003e\n      \u003cul style=\"list-style-type: none; padding: 0; margin: 0;\"\u003e\n        \u003cli style=\"padding: 10px 0; border-bottom: 1px dashed #eee;\"\u003e✔ Direct fit for V4 115hp \u0026amp; 130hp\u003c\/li\u003e\n        \u003cli style=\"padding: 10px 0; border-bottom: 1px dashed #eee;\"\u003e✔ High-temp resistance (up to 105°C)\u003c\/li\u003e\n        \u003cli style=\"padding: 10px 0; border-bottom: 1px dashed #eee;\"\u003e✔ Precision-cut for OEM cylinder heads\u003c\/li\u003e\n        \u003cli style=\"padding: 10px 0; border-bottom: 1px dashed #eee;\"\u003e✔ Corrosion-resistant core material\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv style=\"flex: 1; min-width: 300px; border: 1px solid #e0e0e0; border-radius: 6px; padding: 20px; background-color: #ffffff;\"\u003e\n      \u003ch3 style=\"color: #2c3e50; border-bottom: 2px solid #3498db; padding-bottom: 10px; margin-top: 0;\"\u003eTechnical Specs\u003c\/h3\u003e\n      \u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n        \u003ctr\u003e\n          \u003ctd style=\"padding: 8px 0; border-bottom: 1px solid #f0f0f0; font-weight: bold;\"\u003eEngine Type:\u003c\/td\u003e\n          \u003ctd style=\"padding: 8px 0; border-bottom: 1px solid #f0f0f0; text-align: right;\"\u003e2-Stroke V4\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd style=\"padding: 8px 0; border-bottom: 1px solid #f0f0f0; font-weight: bold;\"\u003eLocation:\u003c\/td\u003e\n          \u003ctd style=\"padding: 8px 0; border-bottom: 1px solid #f0f0f0; text-align: right;\"\u003eCylinder Head 1\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd style=\"padding: 8px 0; border-bottom: 1px solid #f0f0f0; font-weight: bold;\"\u003ePrimary SKU:\u003c\/td\u003e\n          \u003ctd style=\"padding: 8px 0; border-bottom: 1px solid #f0f0f0; text-align: right;\"\u003e6E5-11181-A2-00\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd style=\"padding: 8px 0; border-bottom: 1px solid #f0f0f0; font-weight: bold;\"\u003eMaterial:\u003c\/td\u003e\n          \u003ctd style=\"padding: 8px 0; border-bottom: 1px solid #f0f0f0; text-align: right;\"\u003eSteel Reinforced Composite\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"margin-top: 30px;\"\u003e\n    \u003ch3 style=\"background-color: #34495e; color: #fff; padding: 12px 15px; margin: 0; border-radius: 6px 6px 0 0; text-align: center;\"\u003eCompatibility \/ Fitment Guide\u003c\/h3\u003e\n    \u003cdiv style=\"overflow-x: auto;\"\u003e\n      \u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #ddd;\"\u003e\n        \u003cthead\u003e\u003ctr style=\"background-color: #ecf0f1;\"\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eMake\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eModel\/Application\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n        \u003ctbody\u003e\n          \u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eYamaha\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e115 HP (V4 2-Stroke)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eFits models from 1984 - 2015\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eYamaha\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e130 HP (V4 2-Stroke)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eFits models from 1988 - 2004\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eYamaha\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e90 HP (V4 2-Stroke)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eCertain V4 configuration models\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eYamaha\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eL130 \/ S130 \/ C115 \/ P115\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAll applicable V4 series outboards\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"margin-top: 30px;\"\u003e\n    \u003ch3 style=\"background-color: #34495e; color: #fff; padding: 12px 15px; margin: 0; border-radius: 6px 6px 0 0; text-align: center;\"\u003eOEM Cross Reference\u003c\/h3\u003e\n    \u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #ddd;\"\u003e\n        \u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; background-color: #f9f9f9; width: 40%;\"\u003e\u003cstrong\u003eYamaha OEM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e6E5-11181-A2-00, 6E5-11181-A1-00, 6E5-11181-A0-00\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; background-color: #f9f9f9;\"\u003e\u003cstrong\u003eYamaha (Previous)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e6E5-11181-02-00, 6E5-11181-01-00, 6E5-11181-00-00\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; background-color: #f9f9f9;\"\u003e\u003cstrong\u003eSierra Marine\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e18-3832\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; background-color: #f9f9f9;\"\u003e\u003cstrong\u003eMallory Marine\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e9-63959\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; background-color: #f9f9f9;\"\u003e\u003cstrong\u003eGLM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e34960\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"margin-top: 30px; background-color: #fcfcfc; border: 1px solid #e0e0e0; border-radius: 6px; padding: 20px;\"\u003e\n    \u003ch3 style=\"color: #2c3e50; border-bottom: 2px solid #3498db; padding-bottom: 10px; margin-top: 0;\"\u003eQuestions \u0026amp; Answers\u003c\/h3\u003e\n    \u003cdiv style=\"margin-bottom: 15px;\"\u003e\n      \u003cp style=\"margin: 0 0 5px 0; font-weight: bold; color: #333;\"\u003eIs this a genuine original part?\u003c\/p\u003e\n      \u003cp style=\"margin: 0; color: #666; font-size: 15px;\"\u003eThis is a premium quality aftermarket replacement part, manufactured to meet or exceed original equipment (OE) standards for fitment and performance on Yamaha engines.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"margin-bottom: 15px;\"\u003e\n      \u003cp style=\"margin: 0 0 5px 0; font-weight: bold; color: #333;\"\u003eHow many gaskets do I need for a full engine rebuild?\u003c\/p\u003e\n      \u003cp style=\"margin: 0; color: #666; font-size: 15px;\"\u003eYamaha 115hp and 130hp V4 engines are dual-bank engines and require two (2) cylinder head gaskets—one for each head. This listing is for a single gasket.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"margin-bottom: 0;\"\u003e\n      \u003cp style=\"margin: 0 0 5px 0; font-weight: bold; color: #333;\"\u003eWill this fit both the Port and Starboard sides?\u003c\/p\u003e\n      \u003cp style=\"margin: 0; color: #666; font-size: 15px;\"\u003eYes, on these specific Yamaha V4 2-stroke models, the part number 6E5-11181-A2 is used for both the left and right cylinder heads.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"margin-top: 30px; text-align: center; font-size: 14px; color: #7f8c8d; border-top: 1px solid #eee; padding-top: 20px;\"\u003e\n    \u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e 4boats.co.uk recommends verifying your original part number or consulting a service manual before installation to ensure correct torque specs and sealing surfaces are prepared.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Yamaha","offers":[{"title":"Default Title","offer_id":41830786990169,"sku":"18-3832","price":17.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0568\/8216\/7897\/files\/cylinder-head-gasket-6e5-11181-a2-a1-a0-for-yamaha-115hp-130hp-2-stroke-outboard-engine-4boats-1.jpg?v=1738119831"},{"product_id":"rec63p-12414-00","title":"YAMAHA THERMOSTAT 63P-12414-00 Gasket - High Quality | 4Boats","description":"\u003cp\u003e\u003cstrong\u003eSpain stock. Delivery in 4-5 days!\u003c\/strong\u003e The THERMOSTAT GASKET by RECMAR is an OEM-quality replacement for Yamaha thermostat housings (part no. 63P-12414-00), providing a reliable coolant seal and engine protection.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePart number: 63P-12414-00 - direct OEM replacement\u003c\/li\u003e\n\u003cli\u003eFits Yamaha thermostat housings and compatible outboard\/engine applications\u003c\/li\u003e\n\u003cli\u003eHigh-temperature resistant gasket material - resists heat, pressure and coolant chemicals\u003c\/li\u003e\n\u003cli\u003eEnsures a tight seal to prevent coolant leaks\u003c\/li\u003e\n\u003cli\u003ePrecision moulding for an exact fit and easy installation\u003c\/li\u003e\n\u003cli\u003eSold as a single gasket, ready to fit\u003c\/li\u003e\n\u003cli\u003eManufactured to meet OEM quality and durability standards\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eOrder the genuine-fit thermostat gasket to restore proper sealing and reliability; dispatched from Spain within 4-5 days.\u003c\/p\u003e","brand":"Yamaha","offers":[{"title":"Default Title","offer_id":41865314697305,"sku":"REC63P-12414-00","price":4.67,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0568\/8216\/7897\/files\/REC63P-12414-00_3d29b5c1-8f2d-487e-b267-6701500f1094.jpg?v=1738121120"},{"product_id":"6h3-w0001-02-gasket-set-for-yamaha-outboard-50-60-70-hp-2-stroke-cylinder-head","title":"6H3 | W0001 | 02 Gasket Kit for Yamaha 50 | 70 HP 2 | Stroke | 4Boats","description":"\u003cp\u003e\u003cstrong\u003eSpain stock - 5 days delivery\u003c\/strong\u003e - Complete gasket kit (OEM 6H3-W0001-02-00, Sierra 18-99176) for Yamaha 2-stroke outboards.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOEM equivalent part numbers include 6H3-W0001-02-00 and Sierra 18-99176.\u003c\/li\u003e\n\u003cli\u003eIncludes head gasket, intake gasket, exhaust outer and inner cover gaskets, thermostat cover gasket, upper casing gasket, fuel pump mounting gasket, valve seal, cylinder cover gasket, drain screw gasket, three float-chamber gaskets, and various O-rings and oil seals.\u003c\/li\u003e\n\u003cli\u003eEngineered to meet or exceed original equipment specifications and manufactured to strict quality standards for reliable performance.\u003c\/li\u003e\n\u003cli\u003eEnsures a tight seal to prevent leaks, maintain optimal compression and extend engine life.\u003c\/li\u003e\n\u003cli\u003eFits Yamaha 2-stroke 37-52 kW (50-70 HP) models, 1994-2009, including but not limited to 60TLRA (2002), 60TLRB (2003), 60TLRC (2004), 60TLRD (2005), 60TLRZ (2001), P60TLHX (1999), 70TLRC (2004), 70TLR (2005-2009), C70TLRZ (2001) and C70TLRY (2000).\u003c\/li\u003e\n\u003cli\u003eDesigned for a precise fit to make installation straightforward.\u003c\/li\u003e\n\u003cli\u003eNot sure if this set fits your engine? Our parts professionals can help verify using your exact model or serial number. \u003ca href=\"\/contact\"\u003eContact us\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003ePlease note this guide is for reference only - always verify compatibility using your outboard's exact model or serial number. \u003ca href=\"\/contact\"\u003eContact us\u003c\/a\u003e for expert advice or fitment checks.\u003c\/p\u003e","brand":"Yamaha","offers":[{"title":"Default Title","offer_id":51989679899007,"sku":"6H3-W0001-02","price":89.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0568\/8216\/7897\/files\/s-l1600_19.webp?v=1738121941"},{"product_id":"head-cover-gasket-688-11193-for-yamaha-2-stroke-85hp-90hp-replaces-688-11193-a1-compatible-with-parsun-outboards","title":"Head Cover Gasket 688-11193 for Yamaha 85-90 HP | 4Boats","description":"\u003cp\u003eHigh-quality aftermarket head cover gasket for Yamaha 2-stroke 63 kW (85 HP) and 67 kW (90 HP) outboards, manufactured to OEM standards for a reliable cylinder head cover seal.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHead cover seal. Replaces OEM part numbers: 688-11193, 688-11193-A1, 688-11193-00. Fits Yamaha 2-stroke 63 kW (85 HP) and 67 kW (90 HP).\u003c\/li\u003e\n\u003cli\u003eAlso compatible with Parsun 63 kW (85 HP) and 67 kW (90 HP) outboards.\u003c\/li\u003e\n\u003cli\u003eMarine-grade material for enhanced durability and sealing.\u003c\/li\u003e\n\u003cli\u003eHigh heat and pressure resistance to maintain engine reliability.\u003c\/li\u003e\n\u003cli\u003eCorrosion-resistant material to withstand salt water exposure.\u003c\/li\u003e\n\u003cli\u003eDesigned for an exact fit and straightforward installation.\u003c\/li\u003e\n\u003cli\u003eAftermarket equivalent - check engine serial\/part number and \u003ca href=\"\/pages\/support\"\u003econtact our support team\u003c\/a\u003e if unsure; fast EU shipping: delivered within 4-6 working days.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCheck your engine serial or part number to confirm fit and \u003ca href=\"\/pages\/support\"\u003econtact our support team\u003c\/a\u003e if unsure. Fast EU shipping: delivered within 4-6 working days. \u003cem\u003eThis product is an aftermarket equivalent and not an original Yamaha part; OEM numbers are used strictly for reference.\u003c\/em\u003e\u003c\/p\u003e","brand":"Yamaha","offers":[{"title":"Default Title","offer_id":55714250129791,"sku":"688-11193","price":18.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0568\/8216\/7897\/files\/14f5e306-f9ec-455d-840c-ccdabf47fafe.webp?v=1757761064"}],"url":"https:\/\/4boats.co.uk\/collections\/yamaha-gaskets-seals.oembed?page=2","provider":"4Boats","version":"1.0","type":"link"}