{"product_id":"3335550-4973373-thermostat-82-180-for-cummins-isx-qsx-4318197-engine","title":"3335550 4973373 Thermostat 82℃ 180℉ for Cummins ISX QSX 4318197 Engine","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThis aftermarket replacement thermostat is intended for Cummins ISX and QSX engine applications and cross-references part numbers 3335550, 4973373, and 4318197. A thermostat regulates coolant flow through an engine cooling system in response to temperature, and this listing identifies an 82℃ (180℉) temperature rating.\u003c\/p\u003e\u003ch3\u003eKey Features \u0026amp; Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eThermostat for regulating coolant flow within an engine cooling system\u003c\/li\u003e\n\u003cli\u003eSpecified temperature rating of 82℃ (180℉)\u003c\/li\u003e\n\u003cli\u003eIntended for Cummins ISX and QSX engine applications\u003c\/li\u003e\n\u003cli\u003eCross-references part numbers 3335550, 4973373, and 4318197\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003efor Cummins ISX engine applications\u003c\/li\u003e\n\u003cli\u003efor Cummins QSX engine applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommon Uses\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eReplacing a worn, damaged, or malfunctioning thermostat\u003c\/li\u003e\n\u003cli\u003eRoutine servicing of an engine cooling system\u003c\/li\u003e\n\u003cli\u003eRestoring normal coolant-flow control after the existing thermostat has failed\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Thermostat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature:\u003c\/strong\u003e 82℃ (180℉)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number(s):\u003c\/strong\u003e 3335550, 4973373, 4318197\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Application(s):\u003c\/strong\u003e Cummins ISX, QSX\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What does an engine thermostat do? \u003cstrong\u003eA:\u003c\/strong\u003e An engine thermostat regulates coolant flow through the cooling system according to temperature, supporting normal engine temperature control.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How should fitment be verified? \u003cstrong\u003eA:\u003c\/strong\u003e Compare the complete existing part number, such as 3335550, 4973373, or 4318197, with the complete Cummins ISX or QSX engine designation before purchase.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eThis is an aftermarket replacement part and is not represented as genuine or original equipment. Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.\u003c\/em\u003e\u003c\/p\u003e","brand":"DURAFORCE","offers":[{"title":"Default Title","offer_id":54214655213841,"sku":"ZZ3F03291","price":48.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0250\/2446\/2929\/files\/s-l1600_836ee204-54f7-4d8a-bbcc-5cb6b08c4b12.jpg?v=1788728177","url":"https:\/\/www.duraforce.com\/products\/3335550-4973373-thermostat-82-180-for-cummins-isx-qsx-4318197-engine","provider":"DURAFORCE","version":"1.0","type":"link"}