{"product_id":"mercury-marine-mercruiser-new-thermostat-8m0168892-8m0117413-sierra-18-3640","title":"Mercury Marine \/ Mercruiser New Thermostat 8M0168892 8M0117413 Sierra 18-3640","description":"\u003ch2\u003eThermostat for Mercury Marine Mercruiser\u003c\/h2\u003e\u003cp\u003eThis thermostat for Mercury Marine Mercruiser engines maintains precise engine temperature and cross-references OEM part numbers 8M0168892, 8M0117413, and Sierra 18-3640.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis marine thermostat is a direct replacement component for Mercury Marine and Mercruiser cooling systems. It regulates coolant flow to keep the engine operating within its ideal temperature range. This thermostat suits boat owners and mechanics performing routine cooling system maintenance.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePrecision-engineered opening temperature for consistent cooling system performance\u003c\/li\u003e\n\u003cli\u003eCorrosion-resistant construction for long service life in marine environments\u003c\/li\u003e\n\u003cli\u003eOE-style design for reliable sealing and proper coolant flow\u003c\/li\u003e\n\u003cli\u003eDirect replacement fit for compatible Mercury Marine and Mercruiser engines\u003c\/li\u003e\n\u003cli\u003eQuality gasket surface finish helps prevent leaks after installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eReplacing a worn or stuck-open thermostat during cooling system service\u003c\/li\u003e\n\u003cli\u003eMaintaining optimal operating temperature in saltwater and freshwater boating\u003c\/li\u003e\n\u003cli\u003eSupporting routine engine maintenance schedules for marine powerplants\u003c\/li\u003e\n\u003cli\u003eRestoring proper warm-up time and temperature gauge accuracy\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8M0168892, 8M0117413, 18-3640\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How does this thermostat affect engine operation? \u003cstrong\u003eA:\u003c\/strong\u003e It regulates coolant flow so the engine reaches and holds the correct operating temperature, which supports efficient combustion and reduces wear.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Can this thermostat be used in a MerCruiser stern drive? \u003cstrong\u003eA:\u003c\/strong\u003e It is designed for Mercury Marine and MerCruiser applications that cross-reference these part numbers; verify your serial number and engine series before ordering.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSlight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"Solid Spare","offers":[{"title":"Default Title","offer_id":45556641988694,"sku":"ZZ3E01913","price":52.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_1c7364ce-52c3-4020-b84e-5640a8c6de76.jpg?v=1789222945","url":"https:\/\/www.solidspare.com\/products\/mercury-marine-mercruiser-new-thermostat-8m0168892-8m0117413-sierra-18-3640","provider":"Solid Spare","version":"1.0","type":"link"}