{"product_id":"marine-thermostat-kit-for-mercruiser-v6-v8-142-degrees-repl-8m0089715-rm75-02367","title":"MerCruiser Thermostat Kit 142°F 8M0089715 RM75-02367 V6 V8 4.3 5.0 5.7L Marine","description":"\u003c!-- \n  ***********************************************************\n  EBAY LISTING DATA\n  ***********************************************************\n  OPTIMIZED EBAY TITLE (80 Chars): MerCruiser Thermostat Kit 142°F 8M0089715 RM75-02367 V6 V8 4.3 5.0 5.7L Marine\n  SEO NOTES: Grounded in SKU research for 8M0089715 and RM75-02367. Verified 142°F (60°C) temp for raw water cooled MerCruiser V6\/V8 GM engines. Includes full OEM cross-reference.\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\": \"MerCruiser Marine Thermostat Kit (142°F) - V6 \u0026 V8 Engines\",\n    \"description\": \"High-quality marine thermostat kit for MerCruiser V6 and V8 engines. Rated at 142°F (60°C), ideal for raw water cooled systems. Replaces Mercury 8M0089715 and Sierra 18-3668.\",\n    \"brand\": { \"@type\": \"Brand\", \"name\": \"RecMar\" },\n    \"sku\": \"RM75-02367\",\n    \"mpn\": \"8M0089715\",\n    \"offers\": {\n      \"@type\": \"Offer\",\n      \"url\": \"https:\/\/4boats.co.uk\/products\/marine-thermostat-kit-for-mercruiser-v6-v8-142-degrees-repl-8m0089715-rm75-02367\",\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;\"\u003eMerCruiser Thermostat Kit (142°F)\u003c\/h1\u003e\n    \u003cp style=\"margin: 10px 0 0; font-size: 18px; color: #ecf0f1;\"\u003ePremium Cooling System Replacement for V6 \u0026amp; V8 Engines\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 the correct operating temperature is critical for marine engine longevity and fuel efficiency. This premium \u003cstrong\u003eRecMar Thermostat Kit\u003c\/strong\u003e is specifically engineered for MerCruiser V6 and V8 GM-based engines utilizing standard (raw water) cooling systems. The 142°F (60°C) rating is specifically chosen for saltwater and open-water environments to prevent salt crystallization and scale buildup within the cooling passages.\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 8M0089715 specifications using marine-grade stainless steel and high-temperature sealing materials.\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✔ \u003cstrong\u003eComplete Kit:\u003c\/strong\u003e Includes thermostat and required gaskets\/seals\u003c\/li\u003e\n        \u003cli style=\"padding: 10px 0; border-bottom: 1px dashed #eee;\"\u003e✔ \u003cstrong\u003eSaltwater Ready:\u003c\/strong\u003e 142°F prevents mineral deposits\u003c\/li\u003e\n        \u003cli style=\"padding: 10px 0; border-bottom: 1px dashed #eee;\"\u003e✔ \u003cstrong\u003ePrecision Calibrated:\u003c\/strong\u003e Ensures rapid warm-up and stable temp\u003c\/li\u003e\n        \u003cli style=\"padding: 10px 0; border-bottom: 1px dashed #eee;\"\u003e✔ \u003cstrong\u003eCorrosion Resistant:\u003c\/strong\u003e Stainless steel internal spring\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; font-weight: bold;\"\u003eOpening Temp:\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 0;\"\u003e142°F (60°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd style=\"padding: 8px 0; font-weight: bold;\"\u003eEngine Type:\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 0;\"\u003eGM V6 \u0026amp; V8 (MCM\/MIE)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd style=\"padding: 8px 0; font-weight: bold;\"\u003eCooling Type:\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 0;\"\u003eStandard \/ Raw Water\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd style=\"padding: 8px 0; font-weight: bold;\"\u003eMaterial:\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 0;\"\u003eStainless Steel \/ Brass\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd style=\"padding: 8px 0; font-weight: bold;\"\u003eSKU:\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 0;\"\u003eRM75-02367\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;\"\u003eEngine Make\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;\"\u003eMerCruiser V6\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e4.3L, 4.3LX, 4.3L EFI (GM 262 CID)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e1983 - 2016\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eMerCruiser V8\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e5.0L, 5.7L, 350 Mag, 6.2L (Small Block GM)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e1983 - 2016\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eMerCruiser V8\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e7.4L, 454 Mag, 8.2L, 502 Mag (Big Block GM)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e1983 - 2016\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr style=\"background-color: #fff9e6;\"\u003e\u003ctd colspan=\"3\" style=\"padding: 10px; border: 1px solid #ddd; font-size: 14px; color: #856404;\"\u003e\n\u003cstrong\u003eNote:\u003c\/strong\u003e Fits engines with standard\/raw water cooling. Not for high-performance or closed cooling (antifreeze) systems requiring higher temp thermostats.\u003c\/td\u003e\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\u003eMercury \/ Quicksilver\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e8M0089715, 807252Q4, 8072521, 807252T1, 808252T4\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;\"\u003e18-3668 (Kit), 18-3551 (Thermostat)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; background-color: #f9f9f9;\"\u003e\u003cstrong\u003eRecMar\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eRM75-02367\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 \/ Mallory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eGLM 13030 \/ Mallory 9-43021\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 RecMar, 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;\"\u003eWhy 142 degrees instead of 160 degrees?\u003c\/p\u003e\n      \u003cp style=\"margin: 0; color: #666; font-size: 15px;\"\u003e142°F is standard for raw water cooled engines used in saltwater. Higher temperature thermostats (160°F+) are typically reserved for freshwater closed cooling systems (Heat Exchangers) using antifreeze.\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 kit include everything needed for installation?\u003c\/p\u003e\n      \u003cp style=\"margin: 0; color: #666; font-size: 15px;\"\u003eYes, the kit includes the 142°F thermostat, the housing gasket, and the required sealing O-ring for a standard MerCruiser V6\/V8 thermostat housing.\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":"Repower Marine","offers":[{"title":"Default Title","offer_id":56227531161983,"sku":"RM75-02367","price":34.56,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0568\/8216\/7897\/files\/8m0089715.png?v=1773152073","url":"https:\/\/4boats.co.uk\/products\/marine-thermostat-kit-for-mercruiser-v6-v8-142-degrees-repl-8m0089715-rm75-02367","provider":"4Boats","version":"1.0","type":"link"}