{"product_id":"mercury-35-40-50-60hp-efi-4-stroke-thermostat-8m0117413-outboard-engine-18-3640","title":"Mercury 35-40-50-60HP EFI 4-Stroke Thermostat 8M0117413 Outboard Engine 18-3640","description":"\u003ch2\u003eThermostat for Mercury 35-40-50-60HP EFI 4-Stroke Outboard Engines\u003c\/h2\u003e\u003cp\u003eThis thermostat for Mercury outboard engines maintains proper cooling system temperature and cross-references OEM part numbers 8M0117413 and 18-3640.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis thermostat is a direct replacement cooling component for Mercury 35HP, 40HP, 50HP, and 60HP EFI 4-stroke outboard engines. It controls coolant flow to help the engine run at the correct temperature in both fresh and salt water. This thermostat is built for Mercury outboard owners and marine technicians performing cooling system service.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePrecision-engineered opening temperature matched to Mercury 4-stroke outboards\u003c\/li\u003e\n\u003cli\u003eCorrosion-resistant materials for harsh marine environments\u003c\/li\u003e\n\u003cli\u003eOE-style body and sealing surface for dependable coolant flow\u003c\/li\u003e\n\u003cli\u003eDirect replacement fit for select Mercury 35-60HP EFI 4-stroke models\u003c\/li\u003e\n\u003cli\u003eRigorous quality checks help ensure consistent performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Mercury 35HP EFI 4-Stroke outboard\u003c\/li\u003e\n\u003cli\u003efor Mercury 40HP EFI 4-Stroke outboard\u003c\/li\u003e\n\u003cli\u003efor Mercury 50HP EFI 4-Stroke outboard\u003c\/li\u003e\n\u003cli\u003efor Mercury 60HP EFI 4-Stroke outboard\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eReplacing a failed thermostat during an outboard cooling system overhaul\u003c\/li\u003e\n\u003cli\u003eMaintaining proper operating temperature for Mercury EFI 4-stroke engines\u003c\/li\u003e\n\u003cli\u003eSupporting routine annual maintenance in saltwater and freshwater boating\u003c\/li\u003e\n\u003cli\u003eHelping prevent overheating and cold-engine running issues\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\u003e8M0117413, 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 Why replace a thermostat on a Mercury outboard? \u003cstrong\u003eA:\u003c\/strong\u003e A worn thermostat can cause overheating or slow warm-up, and replacing it restores correct engine temperature and cooling efficiency.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Will this thermostat fit a Mercury 60HP EFI 4-stroke? \u003cstrong\u003eA:\u003c\/strong\u003e It is designed for select Mercury 35-60HP EFI 4-stroke outboards with cross-reference 8M0117413 or 18-3640, so verify your engine serial number 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":45556642021462,"sku":"ZZ3E01914","price":52.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_02219abd-e07b-4877-9e1d-4e60aa5a9605.jpg?v=1789222950","url":"https:\/\/www.solidspare.com\/products\/mercury-35-40-50-60hp-efi-4-stroke-thermostat-8m0117413-outboard-engine-18-3640","provider":"Solid Spare","version":"1.0","type":"link"}