{"product_id":"6d3-12411-00-00-thermostat-140-f-for-yamaha-ar-190-1800-2012-2023","title":"6D3-12411-00-00 Thermostat 140°F for Yamaha AR 190 1800 2012-2023","description":"\u003ch2\u003eThermostat for Yamaha AR 190 1800\u003c\/h2\u003e\u003cp\u003eThis thermostat replaces OEM part 6D3-12411-00-00 and regulates engine coolant temperature at 140°F on Yamaha AR 190 1800 watercraft from 2012 through 2023.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis thermostat is a direct replacement for OEM part 6D3-12411-00-00, engineered to regulate coolant flow at a 140°F opening point on Yamaha AR 190 1800 models built between 2012 and 2023. It keeps the engine operating within its designed temperature range, protecting against overheating during high-load operation and ensuring consistent performance from cold start through full throttle. Ideal for routine maintenance or replacement of a stuck or failed thermostat.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e140°F opening temperature for proper coolant regulation\u003c\/li\u003e\n\u003cli\u003eOEM cross-reference 6D3-12411-00-00 for direct fitment\u003c\/li\u003e\n\u003cli\u003ePrecision-machined valve for consistent opening and closing\u003c\/li\u003e\n\u003cli\u003eCorrosion-resistant construction for marine environments\u003c\/li\u003e\n\u003cli\u003eEngineered to maintain stable operating temperature under load\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Yamaha AR 190 1800, 2012-2023\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eRoutine cooling system maintenance\u003c\/li\u003e\n\u003cli\u003eReplacing a stuck or failed thermostat\u003c\/li\u003e\n\u003cli\u003eOverheating diagnosis and repair\u003c\/li\u003e\n\u003cli\u003eSeasonal pre-launch engine servicing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6D3-12411-00-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOpening Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e140°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Models\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYamaha AR 190 1800\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Years\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2012-2023\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEngine Coolant Thermostat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How do I know if my thermostat needs replacing? \u003cstrong\u003eA:\u003c\/strong\u003e Common signs include the engine running too hot or too cold, inconsistent temperature readings, or coolant not circulating properly. Replacing it at the first sign of trouble prevents overheating damage.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does this thermostat fit my specific model year? \u003cstrong\u003eA:\u003c\/strong\u003e This thermostat is designed for Yamaha AR 190 1800 models from 2012 through 2023, matching OEM part 6D3-12411-00-00. Always confirm your serial number and existing part 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":51067155152982,"sku":"OO1C15517","price":158.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_ae31a823-275f-4610-bba7-9988ad24370e.jpg?v=1794398653","url":"https:\/\/www.solidspare.com\/products\/6d3-12411-00-00-thermostat-140-f-for-yamaha-ar-190-1800-2012-2023","provider":"Solid Spare","version":"1.0","type":"link"}