{"product_id":"76-5-thermostat-129470-49801-for-yanmar-3jh-4jh-4jh110-4jh2-4jh3-3jh2-e-4jh3-e","title":"76.5℃ Thermostat 129470-49801 for Yanmar 3JH 4JH 4JH110 4JH2 4JH3 3JH2-E 4JH3-E","description":"\u003ch2\u003e76.5℃ Thermostat for Yanmar\u003c\/h2\u003e\u003cp\u003eThis 76.5℃ thermostat for Yanmar is a precise engine cooling component designed to maintain proper operating temperatures in a wide range of Yanmar marine diesel engines. It is a direct replacement for Yanmar part number 129470-49801, compatible with 3JH, 4JH, 4JH110, 4JH2, and 4JH3 series models. This 76.5℃ thermostat ensures your Yanmar engine runs efficiently and reliably under load.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis 76.5℃ thermostat for Yanmar is an essential cooling system part that regulates coolant flow to keep the engine within its optimal temperature range. It is made to fit a comprehensive list of Yanmar 3JH and 4JH marine diesel engines, including the 4JH110, 4JH2, and 4JH3 variants. As a direct replacement for part number 129470-49801, this thermostat helps prevent overheating and promotes longer engine life.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePrecisely opens at 76.5°C to ensure efficient engine operation\u003c\/li\u003e\n\u003cli\u003eReplaces OEM Yanmar part number 129470-49801\u003c\/li\u003e\n\u003cli\u003eHigh-quality construction resists corrosion and wear in demanding marine environments\u003c\/li\u003e\n\u003cli\u003eEngineered for a precise fit and reliable sealing\u003c\/li\u003e\n\u003cli\u003eConsistent thermal response cycle after cycle\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Yanmar 3JH\u003c\/li\u003e\n\u003cli\u003efor Yanmar 4JH\u003c\/li\u003e\n\u003cli\u003efor Yanmar 4JH110\u003c\/li\u003e\n\u003cli\u003efor Yanmar 4JH2\u003c\/li\u003e\n\u003cli\u003efor Yanmar 4JH3\u003c\/li\u003e\n\u003cli\u003efor Yanmar 3JH2-E\u003c\/li\u003e\n\u003cli\u003efor Yanmar 4JH3-E\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eUsed during scheduled maintenance to replace an aging or defective thermostat\u003c\/li\u003e\n\u003cli\u003eEssential for winterizing or commissioning a Yanmar diesel engine\u003c\/li\u003e\n\u003cli\u003eCommonly installed when engine temperature fluctuates or runs hot\u003c\/li\u003e\n\u003cli\u003eNecessary for restoring complete cooling system integrity on 4JH2 and 4JH3 engines\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOpening Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e76.5°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e129470-49801\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine Series\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3JH, 4JH, 4JH110, 4JH2, 4JH3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Why is the correct thermostat temperature important? \u003cstrong\u003eA:\u003c\/strong\u003e A thermostat with the correct 76.5°C rating ensures the engine reaches its optimal operating temperature quickly, which minimizes fuel consumption and reduces carbon buildup. Using a wrong-rated thermostat can cause poor performance or premature engine wear.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Is installation straightforward? \u003cstrong\u003eA:\u003c\/strong\u003e Replacing a thermostat is a routine procedure for a mechanic, aligning with the existing housing and gasket. This part is built to OEM specifications, ensuring a proper seal and secure fit for your Yanmar engine.\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":"Part Outfitters","offers":[{"title":"Default Title","offer_id":46612207894714,"sku":"ZZ3F03270","price":47.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/2476\/1786\/files\/s-l1600_f4361364-4a8d-4f76-adc6-4581b0b34b54.jpg?v=1789016121","url":"https:\/\/partoutfitters.com\/products\/76-5-thermostat-129470-49801-for-yanmar-3jh-4jh-4jh110-4jh2-4jh3-3jh2-e-4jh3-e","provider":"Part Outfitters","version":"1.0","type":"link"}