{"product_id":"for-yamaha-outboard-thermostat-replaces-sierra-18-3541-66m-12411-01-00-new","title":"For Yamaha Outboard Thermostat Replaces Sierra 18-3541 66M-12411-01-00 New","description":"\u003ch2\u003eOutboard Thermostat for Yamaha\u003c\/h2\u003e\u003cp\u003eThis outboard thermostat replaces Sierra 18-3541 and OEM 66M-12411-01-00, regulating engine temperature for reliable operation.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis thermostat for Yamaha outboard engines maintains optimal operating temperature by controlling coolant flow. Replacing worn thermostats with this Yamaha-compatible part helps prevent overheating and ensures consistent engine performance. Designed for marine use, this thermostat is a direct replacement for original components.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePrecision-engineered to open at specified temperature\u003c\/li\u003e\n\u003cli\u003eCorrosion-resistant construction for saltwater environments\u003c\/li\u003e\n\u003cli\u003eDirect replacement for Sierra 18-3541 and OEM 66M-12411-01-00\u003c\/li\u003e\n\u003cli\u003eEnsures proper engine warm-up and cooling efficiency\u003c\/li\u003e\n\u003cli\u003eMaintains optimal fuel economy and emission control\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eUsed in outboard motor maintenance to prevent overheating\u003c\/li\u003e\n\u003cli\u003eCommon for boat owners addressing temperature fluctuations\u003c\/li\u003e\n\u003cli\u003eInstalled during routine cooling system service\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\u003e18-3541, 66M-12411-01-00\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 do I know if my outboard thermostat needs replacement? \u003cstrong\u003eA:\u003c\/strong\u003e Symptoms include overheating, poor idling, or fluctuating temperature gauges. Replacing it is a common fix.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Can this thermostat be used in saltwater? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, it is built with corrosion-resistant materials suitable for marine environments.\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":45556599128150,"sku":"ZZ3E00972","price":32.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_c7306eb8-214b-49de-98ed-5274a8bff5a4.jpg?v=1789214781","url":"https:\/\/www.solidspare.com\/products\/for-yamaha-outboard-thermostat-replaces-sierra-18-3541-66m-12411-01-00-new","provider":"Solid Spare","version":"1.0","type":"link"}