{"product_id":"mercury-mercruiser-thermostat-853213001","title":"Mercury MerCruiser Thermostat – 853213001","description":"\u003cp data-end=\"423\" data-start=\"222\"\u003eThe \u003cstrong data-end=\"269\" data-start=\"226\"\u003eMercury MerCruiser Thermostat 853213001\u003c\/strong\u003e is a genuine OEM cooling system component designed to regulate engine temperature and maintain optimal operating conditions in MerCruiser marine engines.\u003c\/p\u003e\n\u003cp data-end=\"697\" data-start=\"425\"\u003eBy controlling coolant flow through the engine, the thermostat ensures proper warm-up and prevents overheating, improving efficiency and protecting internal engine components. OEM construction guarantees exact fitment and reliable performance in harsh marine environments.\u003c\/p\u003e\n\u003cp data-end=\"851\" data-start=\"699\"\u003eThis thermostat has been \u003cstrong data-end=\"771\" data-start=\"724\"\u003esuperseded to updated part number 853213002\u003c\/strong\u003e, which serves as the current replacement. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-end=\"856\" data-start=\"853\"\u003e\n\u003ch2 data-end=\"877\" data-start=\"858\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"877\" data-start=\"861\"\u003eKey Features\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-end=\"1087\" data-start=\"878\"\u003e\n\u003cli data-end=\"917\" data-start=\"878\"\u003eGenuine Mercury MerCruiser OEM part\u003c\/li\u003e\n\u003cli data-end=\"967\" data-start=\"918\"\u003eMaintains proper engine operating temperature\u003c\/li\u003e\n\u003cli data-end=\"1002\" data-start=\"968\"\u003eEnsures efficient coolant flow\u003c\/li\u003e\n\u003cli data-end=\"1042\" data-start=\"1003\"\u003eDirect replacement fit and function\u003c\/li\u003e\n\u003cli data-end=\"1087\" data-start=\"1043\"\u003eDesigned for marine corrosion resistance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"1092\" data-start=\"1089\"\u003e\n\u003ch2 data-end=\"1121\" data-start=\"1094\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"1121\" data-start=\"1097\"\u003eEngine Compatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3 data-end=\"1157\" data-start=\"1123\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"1157\" data-start=\"1127\"\u003eMercury MerCruiser Engines\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-end=\"1178\" data-start=\"1158\"\u003eUsed across various:\u003c\/p\u003e\n\u003cul data-end=\"1273\" data-start=\"1179\"\u003e\n\u003cli data-end=\"1204\" data-start=\"1179\"\u003eV6 MerCruiser engines\u003c\/li\u003e\n\u003cli data-end=\"1230\" data-start=\"1205\"\u003eV8 MerCruiser engines\u003c\/li\u003e\n\u003cli data-end=\"1273\" data-start=\"1231\"\u003eInboard and sterndrive cooling systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1368\" data-start=\"1275\"\u003e➡️ Common in GM-based marine engines (4.3L, 5.0L, 5.7L, 7.4L applications – verify by serial)\u003c\/p\u003e\n\u003chr data-end=\"1373\" data-start=\"1370\"\u003e\n\u003ch2 data-end=\"1412\" data-start=\"1375\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"1410\" data-start=\"1378\"\u003eSerial Number Fitment Notice\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-end=\"1432\" data-start=\"1413\"\u003eFitment depends on:\u003c\/p\u003e\n\u003cul data-end=\"1515\" data-start=\"1433\"\u003e\n\u003cli data-end=\"1458\" data-start=\"1433\"\u003eEngine model and year\u003c\/li\u003e\n\u003cli data-end=\"1491\" data-start=\"1459\"\u003eCooling system configuration\u003c\/li\u003e\n\u003cli data-end=\"1515\" data-start=\"1492\"\u003eSerial number range\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1601\" data-start=\"1517\"\u003e⚠️ Always confirm compatibility using your \u003cstrong data-end=\"1584\" data-start=\"1560\"\u003eengine serial number\u003c\/strong\u003e before ordering.\u003c\/p\u003e\n\u003chr data-end=\"1606\" data-start=\"1603\"\u003e\n\u003ch2 data-end=\"1629\" data-start=\"1608\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"1629\" data-start=\"1611\"\u003eSpecifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-end=\"1790\" data-start=\"1630\"\u003e\n\u003cli data-end=\"1660\" data-start=\"1630\"\u003ePart Number: \u003cstrong data-end=\"1658\" data-start=\"1645\"\u003e853213001\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1688\" data-start=\"1661\"\u003eType: Engine thermostat\u003c\/li\u003e\n\u003cli data-end=\"1732\" data-start=\"1689\"\u003eFunction: Regulates coolant temperature\u003c\/li\u003e\n\u003cli data-end=\"1790\" data-start=\"1733\"\u003eMaterial: Marine-grade brass \u0026amp; stainless construction\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"1795\" data-start=\"1792\"\u003e\n\u003ch2 data-end=\"1819\" data-start=\"1797\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"1819\" data-start=\"1800\"\u003eWhat’s Included\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-end=\"1874\" data-start=\"1820\"\u003e\n\u003cli data-end=\"1874\" data-start=\"1820\"\u003eThermostat (gasket sold separately unless specified)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"1879\" data-start=\"1876\"\u003e\n\u003ch2 data-end=\"1920\" data-start=\"1881\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"1920\" data-start=\"1884\"\u003eWhen This Part Needs Replacement\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-end=\"1958\" data-start=\"1921\"\u003eReplace the thermostat if you notice:\u003c\/p\u003e\n\u003cul data-end=\"2067\" data-start=\"1959\"\u003e\n\u003cli data-end=\"1981\" data-start=\"1959\"\u003eEngine overheating\u003c\/li\u003e\n\u003cli data-end=\"2009\" data-start=\"1982\"\u003eEngine running too cold\u003c\/li\u003e\n\u003cli data-end=\"2042\" data-start=\"2010\"\u003eErratic temperature readings\u003c\/li\u003e\n\u003cli data-end=\"2067\" data-start=\"2043\"\u003ePoor fuel efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"2072\" data-start=\"2069\"\u003e\n\u003ch2 data-end=\"2099\" data-start=\"2074\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"2099\" data-start=\"2077\"\u003eInstallation Notes\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-end=\"2271\" data-start=\"2100\"\u003e\n\u003cli data-end=\"2146\" data-start=\"2100\"\u003eReplace gasket or seal during installation\u003c\/li\u003e\n\u003cli data-end=\"2191\" data-start=\"2147\"\u003eEnsure correct orientation of thermostat\u003c\/li\u003e\n\u003cli data-end=\"2236\" data-start=\"2192\"\u003eInspect housing for corrosion or buildup\u003c\/li\u003e\n\u003cli data-end=\"2271\" data-start=\"2237\"\u003eTest system after installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"2276\" data-start=\"2273\"\u003e\n\u003ch2 data-end=\"2320\" data-start=\"2278\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"2320\" data-start=\"2281\"\u003eAlternate \/ Superseded Part Numbers\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3 data-end=\"2350\" data-start=\"2322\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"2350\" data-start=\"2326\"\u003eOEM Cross References\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-end=\"2461\" data-start=\"2351\"\u003e\n\u003cli data-end=\"2390\" data-start=\"2351\"\u003eMercury \/ MerCruiser: \u003cstrong data-end=\"2388\" data-start=\"2375\"\u003e853213001\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2461\" data-start=\"2391\"\u003eSuperseded by: \u003cstrong data-end=\"2421\" data-start=\"2408\"\u003e853213002\u003c\/strong\u003e \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"2466\" data-start=\"2463\"\u003e\n\u003ch2 data-end=\"2485\" data-start=\"2468\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"2483\" data-start=\"2471\"\u003eShipping\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-end=\"2551\" data-start=\"2486\"\u003eShipping: Ships same or next day for fast Canada wide shipping. ⚓\u003c\/p\u003e\n\u003chr data-end=\"2556\" data-start=\"2553\"\u003e\n\u003ch3 data-end=\"2585\" data-start=\"2558\"\u003e💡 Parts Desk Insight\u003c\/h3\u003e\n\u003cp data-end=\"2738\" data-start=\"2586\"\u003eThermostats are cheap insurance—if you're already into the cooling system, replace it. Most failures show up as \u003cstrong data-end=\"2718\" data-start=\"2698\"\u003erunning too cold\u003c\/strong\u003e, not overheating 👍*not exactly as shown\u003c\/p\u003e","brand":"MERC","offers":[{"title":"Default Title","offer_id":43563884904484,"sku":"853213","price":53.15,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/shopping_21355d7f-e164-4fde-a461-0f28e11afa51.webp?v=1774328148","url":"https:\/\/marisolmarine.com\/products\/mercury-mercruiser-thermostat-853213001","provider":"Marisol Marine Company","version":"1.0","type":"link"}