{"title":"Johnson \/ Evinrude Gaskets \u0026 Seals","description":"","products":[{"product_id":"18-0957","title":"Sierra Adapter Carb-Silencer Gasket Evinrude 135HP 18-0957 03 | 4Boats","description":"\u003cp\u003eSierra aftermarket adapter carburettor-to-silencer gasket for Evinrude 135 HP (1974-onward) engines.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePart number: \u003cstrong\u003e18-0957\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eReplaces: \u003cstrong\u003e0333008\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCarburettor-to-silencer gasket\u003c\/li\u003e\n\u003cli\u003eFits Evinrude 135 HP (1974-onward) engines\u003c\/li\u003e\n\u003cli\u003eAdapter design for precise OEM-style fit\u003c\/li\u003e\n\u003cli\u003eEasy direct-fit installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIf you're unsure whether this fits your outboard or inboard engine, \u003ca href=\"\/contact\"\u003econtact us\u003c\/a\u003e and we'll help confirm compatibility.\u003c\/p\u003e","brand":"Evinrude","offers":[{"title":"Default Title","offer_id":40555954307161,"sku":"18-0957 L3","price":15.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0568\/8216\/7897\/products\/sierra-adapter-to-powerhead-gasket-evinrude-0333008-4boats.jpg?v=1738107517"},{"product_id":"18-0975","title":"Air Silencer Gasket - Johnson 60-75hp (1988-01) 18-0975 | 4Boats","description":"\u003cp\u003eGenuine Air Silencer gasket for Johnson 60-75hp (1988-01) engines.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFits 60-75hp (1988-01) Johnson engines.\u003c\/li\u003e\n\u003cli\u003ePart number: 18-0975.\u003c\/li\u003e\n\u003cli\u003eReplaces OMC 0333008.\u003c\/li\u003e\n\u003cli\u003eBrand: Air Silencer.\u003c\/li\u003e\n\u003cli\u003eCarburettor to silencer gasket - direct fit replacement.\u003c\/li\u003e\n\u003cli\u003eCompatible with Johnson and Evinrude models.\u003c\/li\u003e\n\u003cli\u003eIf you're unsure whether this part fits your inboard\/outboard, contact us for confirmation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eOrder with confidence - contact us if you need help identifying the correct part.\u003c\/p\u003e","brand":"Johnson","offers":[{"title":"Default Title","offer_id":40555954339929,"sku":"18-0975 L3","price":5.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0568\/8216\/7897\/products\/air-silencer-gasket-for-johnson-60-75hp-1988-01-engines-0333008-4boats.jpg?v=1738107518"},{"product_id":"sierra-head-gasket-18-2956","title":"0318358 Head Gasket for Evinrude 80-140hp (1982-93) engines","description":"\u003c!-- \n  ***********************************************************\n  EBAY LISTING DATA\n  ***********************************************************\n  OPTIMIZED EBAY TITLE (80 Chars): Sierra 18-2956 Head Gasket for Johnson Evinrude OMC 65-140hp 318358 0318358\n  SEO NOTES: Sierra Marine 18-2956 Cylinder Head Gasket. Replaces OMC 0318358. Fits Johnson\/Evinrude 65HP to 140HP (1973-1998). Cross-reference for Mallory 9-63828 and GLM 33540. High-quality marine-grade sealing for V4\/V6 engines.\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\": \"Sierra 18-2956 Cylinder Head Gasket for Johnson\/Evinrude\",\n    \"description\": \"Premium Sierra Marine 18-2956 Cylinder Head Gasket designed for Johnson\/Evinrude outboard engines. Replaces OMC 318358, 0318358. Engineered for durability in harsh marine environments.\",\n    \"brand\": { \"@type\": \"Brand\", \"name\": \"Sierra Marine\" },\n    \"sku\": \"18-2956\",\n    \"mpn\": \"318358\",\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;\"\u003eSierra 18-2956 Cylinder Head Gasket\u003c\/h1\u003e\n    \u003cp style=\"margin: 10px 0 0; font-size: 18px; color: #ecf0f1;\"\u003ePremium Replacement for Johnson\/Evinrude 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 peak engine performance and ensure a perfect combustion seal with the \u003cstrong\u003eSierra 18-2956 Cylinder Head Gasket\u003c\/strong\u003e. Specifically engineered for Johnson and Evinrude outboard motors ranging from 65 HP to 140 HP, this gasket is a critical component for engine cooling and compression integrity.\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 by Sierra Marine to meet or exceed OEM specifications, providing maximum durability against high temperatures and corrosive marine 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 OEM fitment for Johnson\/Evinrude\u003c\/li\u003e\n        \u003cli style=\"padding: 10px 0; border-bottom: 1px dashed #eee;\"\u003e✔ Marine-grade, high-temp resistant material\u003c\/li\u003e\n        \u003cli style=\"padding: 10px 0; border-bottom: 1px dashed #eee;\"\u003e✔ Precision cut for superior sealing\u003c\/li\u003e\n        \u003cli style=\"padding: 10px 0; border-bottom: 1px dashed #eee;\"\u003e✔ Backed by Sierra's industry-leading warranty\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; font-weight: bold;\"\u003ePart Number:\u003c\/td\u003e\n          \u003ctd style=\"padding: 8px 0; border-bottom: 1px solid #eee; text-align: right;\"\u003e18-2956\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd style=\"padding: 8px 0; border-bottom: 1px solid #eee; font-weight: bold;\"\u003eBrand:\u003c\/td\u003e\n          \u003ctd style=\"padding: 8px 0; border-bottom: 1px solid #eee; text-align: right;\"\u003eSierra Marine\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd style=\"padding: 8px 0; border-bottom: 1px solid #eee; font-weight: bold;\"\u003eApplication:\u003c\/td\u003e\n          \u003ctd style=\"padding: 8px 0; border-bottom: 1px solid #eee; text-align: right;\"\u003eCylinder Head Gasket\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd style=\"padding: 8px 0; border-bottom: 1px solid #eee; font-weight: bold;\"\u003eQuantity Required:\u003c\/td\u003e\n          \u003ctd style=\"padding: 8px 0; border-bottom: 1px solid #eee; text-align: right;\"\u003e2 per engine (V-models)\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;\"\u003eHorsepower Range\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eYears Supported\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eEngine Type\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;\"\u003e65 Jet \/ 80 Jet\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e1991-1996\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2 Required per Engine\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e85 \/ 88 \/ 90 HP\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e1979-1995\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eV4 Models\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e100 \/ 110 \/ 115 HP\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e1973-1995\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eCross-Flow V4\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e135 \/ 140 HP\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e1973-1984\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eV4 Models\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e75 HP\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e1960-1965\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eEarly V4 Applications\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: #f9f9f9;\"\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold;\"\u003eJohnson\/Evinrude \/ OMC:\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e318358, 0318358\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold;\"\u003eMallory Marine:\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e9-63828\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold;\"\u003eGLM:\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e33540\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold;\"\u003eRedline:\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eRL2956\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 Sierra Marine, 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 (18-2956 or 318358) against your original part number. If your outboard is a 1973-1998 V4 model (65-140 HP), this is likely the correct 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;\"\u003eDoes this include one or two gaskets?\u003c\/p\u003e\n      \u003cp style=\"margin: 0; color: #666; font-size: 15px;\"\u003eThis listing is for a single gasket. Please note that for most Johnson\/Evinrude V4 engines, two gaskets are required (one for each cylinder head).\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 against the references above before purchasing. Correct gasket sealing is essential for preventing engine overheating.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Evinrude","offers":[{"title":"Default Title","offer_id":40555954372697,"sku":"18-2956 R4","price":26.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0568\/8216\/7897\/products\/0318358-head-gasket-for-evinrude-80-140hp-1982-93-engines-4boats.jpg?v=1738107519"},{"product_id":"sierra-18-2548-9-thermostat-cover-gasket","title":"Sierra 18-2548-9 Thermostat Cover Gasket 2-Pack for Johnson Evinrude OMC 332108","description":"\u003c!-- \n  ***********************************************************\n  EBAY LISTING DATA\n  ***********************************************************\n  OPTIMIZED EBAY TITLE (80 Chars): Sierra 18-2548-9 Thermostat Cover Gasket 2-Pack for Johnson Evinrude OMC 332108\n  SEO NOTES: Sierra 18-2548-9 gasket research confirms fitment for Johnson\/Evinrude 3-Cylinder 65-75HP (1970+). Includes OEM cross-references for 332108 and 317226.\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\": \"Sierra 18-2548-9 Thermostat Cover Gasket\",\n    \"description\": \"Genuine Sierra 18-2548-9 thermostat cover gasket for Johnson\/Evinrude 3-cylinder 65\/70\/75 HP outboard engines (1970 and newer). Replaces OMC 332108 and 317226.\",\n    \"brand\": { \"@type\": \"Brand\", \"name\": \"Sierra\" },\n    \"sku\": \"18-2548-9\",\n    \"mpn\": \"18-2548-9\",\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;\"\u003eSierra 18-2548-9 Gasket\u003c\/h1\u003e\n    \u003cp style=\"margin: 10px 0 0; font-size: 18px; color: #ecf0f1;\"\u003ePremium Quality Replacement Thermostat Cover Gasket\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;\"\u003eThe \u003cstrong\u003eSierra 18-2548-9 Thermostat Cover Gasket\u003c\/strong\u003e is a precision-engineered replacement part designed specifically for Johnson and Evinrude 3-cylinder outboard engines. This gasket ensures a watertight, high-pressure seal between the thermostat cover and the cylinder head, preventing leaks and maintaining optimal engine cooling temperatures.\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 Sierra gaskets are manufactured from high-grade materials to meet or exceed original equipment (OE) standards, providing excellent thermal resistance and durability in marine 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 OE-fit replacement\u003c\/li\u003e\n        \u003cli style=\"padding: 10px 0; border-bottom: 1px dashed #eee;\"\u003e✔ Designed for 3-Cylinder models\u003c\/li\u003e\n        \u003cli style=\"padding: 10px 0; border-bottom: 1px dashed #eee;\"\u003e✔ High-temperature resistance\u003c\/li\u003e\n        \u003cli style=\"padding: 10px 0; border-bottom: 1px dashed #eee;\"\u003e✔ Usually supplied as a 2-pack\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\u003eSKU\/MPN:\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"padding: 8px 0; border-bottom: 1px solid #eee; text-align: right;\"\u003e18-2548-9\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"padding: 8px 0; border-bottom: 1px solid #eee; text-align: right;\"\u003eSierra\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eEngine Type:\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"padding: 8px 0; border-bottom: 1px solid #eee; text-align: right;\"\u003e3-Cylinder Outboard\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003ePackage Qty:\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"padding: 8px 0; border-bottom: 1px solid #eee; text-align: right;\"\u003e2 Gaskets\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;\"\u003eYear Range\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;\"\u003eJohnson \/ Evinrude\u003c\/td\u003e\n            \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e65 HP (3-Cylinder)\u003c\/td\u003e\n            \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e1970 - Newer\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eJohnson \/ Evinrude\u003c\/td\u003e\n            \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e70 HP (3-Cylinder)\u003c\/td\u003e\n            \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e1970 - Newer\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eJohnson \/ Evinrude\u003c\/td\u003e\n            \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e75 HP (3-Cylinder)\u003c\/td\u003e\n            \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e1970 - Newer\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; text-align: center;\"\u003e\n        \u003ctr style=\"background-color: #f8f9fa;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eReference Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eBRP \/ OMC \/ Johnson \/ Evinrude\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e332108, 0332108\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eBRP \/ OMC \/ Johnson \/ Evinrude\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e317226, 0317226\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eGLM\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e30170\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- QUESTIONS \u0026 ANSWERS SECTION --\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 from Sierra Marine, designed to meet or exceed original BRP\/OMC standards for fitment and sealing 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;\"\u003eThis part is specific to the 3-cylinder Johnson and Evinrude engines (65-75HP) from 1970 onwards. Please check your original gasket against the reference numbers 332108 or 317226.\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;\"\u003eWhat does the \"-9\" suffix mean on this part?\u003c\/p\u003e\n      \u003cp style=\"margin: 0; color: #666; font-size: 15px;\"\u003eIn the Sierra numbering system, the \"-9\" suffix typically indicates a retail-ready pack. For this SKU, it denotes a 2-pack containing two individual thermostat cover gaskets.\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 engine's model and serial number against the OEM references above before purchasing. Available at 4boats.co.uk.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Evinrude","offers":[{"title":"Default Title","offer_id":40555954471001,"sku":"18-2548-9 OMC 103A","price":5.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0568\/8216\/7897\/products\/332108-thermostat-cover-gasket-for-johnsonevinrude-outboard-engines-3-cyl-4boats.jpg?v=1738107522"},{"product_id":"rec336947","title":"SEAL Thermostat Cover Gasket 336947 for Evinrude\/Johnson | 4Boats","description":"\u003cp\u003e\u003cstrong\u003eSpain stock. Delivery in 4-5 days!\u003c\/strong\u003e High-quality SEAL thermostat cover gasket 336947 - OEM-style replacement for Evinrude and Johnson outboard engines (Bombardier\/BRP).\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePart number: 336947\u003c\/li\u003e\n\u003cli\u003eCompatible with Evinrude and Johnson outboard engines (Bombardier\/BRP)\u003c\/li\u003e\n\u003cli\u003eMaterial: durable gasket compound for reliable coolant sealing\u003c\/li\u003e\n\u003cli\u003eOEM-fit to original specifications for a secure seal\u003c\/li\u003e\n\u003cli\u003ePrevents coolant leaks and protects the thermostat housing\u003c\/li\u003e\n\u003cli\u003eDirect replacement - no modifications or special tools required\u003c\/li\u003e\n\u003cli\u003eStock \u0026amp; dispatch: Spain stock, 4-5 days delivery\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSuitable for professional mechanics and DIYers. Verify engine model compatibility before fitting or consult a technician if uncertain.\u003c\/p\u003e","brand":"Evinrude","offers":[{"title":"Default Title","offer_id":41865301688409,"sku":"REC336947","price":3.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0568\/8216\/7897\/files\/REC336947_5a2ef5a4-6358-4818-81ce-1f64778e45b3.jpg?v=1747213150"},{"product_id":"genuine-brp-evinrude-johnson-thermostat-intake-gasket-5033363","title":"Genuine BRP Thermostat\/Intake Gasket 5033363 - Evinrude\/Johns | 4Boats","description":"\u003cul class=\"serp-highlights\"\u003e\n\u003cli\u003e6 HP\u003c\/li\u003e\n\u003cli\u003e6HP\u003c\/li\u003e\n\u003cli\u003e5 kW\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eGenuine BRP thermostat\/intake gasket (part 5033363) offers an OEM fit and reliable sealing for Johnson and Evinrude outboard engines rated 3-4.5 kW (4-6 HP).\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Genuine BRP (Bombardier Recreational Products)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e 5033363\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermostat \/ intake gasket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Suitable for 3-4.5 kW (4-6 HP) Johnson and Evinrude outboard engines\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Ensures correct sealing and temperature regulation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Marine-grade materials for corrosion resistance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFit:\u003c\/strong\u003e OEM specification for accurate installation\u003c\/li\u003e\n\u003cli\u003eCheck your engine parts manual or \u003ca href=\"\/pages\/contact\"\u003econtact us\u003c\/a\u003e to confirm compatibility\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Evinrude","offers":[{"title":"Default Title","offer_id":55374370734463,"sku":"5033363","price":8.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0568\/8216\/7897\/files\/s-l1600_51841437-76f6-4ff2-8331-2b5c2f8c0001.webp?v=1749315846"},{"product_id":"exhaust-manifold-rear-end-cap-gasket-for-omc-2-5l-3-0l-repl-0907761-rm0907761","title":"Exhaust Manifold Rear End Cap Gasket for OMC 2.5L, 3.0L, Repl: 0907761","description":"\u003cp\u003eExhaust Manifold End Cap Gasket for OMC 4 Cylinder GM Based 120 HP 2.5L, 140 HP 3.0L Replaces OMC 0907761, 907761 RM0907761\u003c\/p\u003e","brand":"Repower Marine","offers":[{"title":"Default Title","offer_id":56227511271807,"sku":"RM0907761","price":8.64,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0568\/8216\/7897\/files\/ca391551efeea73e86fda74b2ac59fe67da0abec9aabbd4daa52743f14dd7627.jpg?v=1760613272"},{"product_id":"impeller-gasket-for-johnson-pump-replaces-09-0806b-rm3096","title":"Impeller \u0026 Gasket for Johnson pump, replaces #: 09-0806B","description":"\u003cp\u003eHigh Quality Impeller \u0026amp; Gasket for Johnson Pumps Replaces Johnson #: 09-0806B 6 Blades, 9.54mm Centre, 39.6mm Diameter, 18.94mm Long Repower Marine's high quality Impellers are made to OEM specifications, using the exact rubber compounds as the originals. RM3096\u003c\/p\u003e","brand":"Repower Marine","offers":[{"title":"Default Title","offer_id":56227514646911,"sku":"RM3096...","price":13.49,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0568\/8216\/7897\/files\/rm3096_1_3.png?v=1760613342"},{"product_id":"impeller-gasket-for-johnson-pump-replaces-09-1027b-rm3097","title":"Impeller \u0026 Gasket for Johnson Pump, replaces #: 09-1027B","description":"\u003cp\u003eHigh Quality Impeller \u0026amp; Gasket for Johnson Pumps Replaces Johnson #: 09-1027B 12 Blades, 14.4mm Centre, 57mm Diameter, 31.6mm Long Used on Johnson Pump Series F5B Repower Marine's high quality Impellers are made to OEM standards and specifications, using the exact rubber compounds as the originals. RM3097\u003c\/p\u003e","brand":"Repower Marine","offers":[{"title":"Default Title","offer_id":56227528114559,"sku":"RM3097...","price":24.48,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0568\/8216\/7897\/files\/rm3097_1_2.png?v=1760613463"},{"product_id":"impeller-gasket-replaces-johnson-09-0812b-rm3092","title":"Impeller \u0026 Gasket, Replaces Johnson: 09-0812B","description":"\u003cp\u003eHigh Quality Impeller for Johnson Pumps 12 Blades, 14.5 mm Centre, 57mm Diameter, 48.2 mm Deep. Replaces #: 09-0812B Used on Johnson F6B-9 Pump Series Repower Marine's high quality Impellers are made to OEM specifications, using the exact rubber compounds as the originals. RM3092\u003c\/p\u003e","brand":"Repower Marine","offers":[{"title":"Default Title","offer_id":56227528835455,"sku":"RM3092...","price":25.92,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0568\/8216\/7897\/files\/842a031f25fb4fc1fb470265dbdb9f208f964668c0f7392f48c161921f00458d.jpg?v=1760613475"},{"product_id":"impeller-gasket-for-johnson-pump-replaces-09-1028b-rm3099","title":"Impeller \u0026 Gasket for Johnson Pump, replaces #: 09-1028B","description":"\u003cp\u003eHigh Quality Impeller \u0026amp; Gasket for Johnson Pumps Replaces Johnson #: 09-1028B Used on Johnson F7B Series Pumps 8 Blades, 14.2mm Centre, 65mm Diameter, 50.2mm Long Repower Marine's high quality Impellers are made to OEM standards and specifications, using the exact rubber compounds as the originals. RM3099\u003c\/p\u003e","brand":"Repower Marine","offers":[{"title":"Default Title","offer_id":56227530047871,"sku":"RM3099....","price":28.8,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0568\/8216\/7897\/files\/rm3099_1_4.png?v=1760613494"}],"url":"https:\/\/4boats.co.uk\/collections\/johnson-evinrude-gaskets-seals.oembed","provider":"4Boats","version":"1.0","type":"link"}