{"product_id":"76-168-8-thermostat-5337966-w-o-ring-seal-fit-for-98-5-02-cummins-5-9-24v-isb","title":"76℃ 168.8℉ Thermostat 5337966 w\/ O-Ring Seal Fit for 98.5-02 Cummins 5.9 24V ISB","description":"\u003ch2\u003eThermostat 5337966 with O-Ring Seal for Cummins\u003c\/h2\u003e\u003cp\u003eThis thermostat with O-Ring Seal is a cooling system component designed for 1998.5-2002 Cummins 5.9L 24V ISB diesel engines. It opens at 76℃ (168.8℉) to regulate engine temperature and matches the OEM part number 5337966 for dependable heat management.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis 76℃ 168.8℉ thermostat 5337966 maintains optimal operating temperature in compatible Cummins engines, ensuring efficient combustion and reduced wear. The included O-ring seal provides a proper gasket between the thermostat and housing. This part is a direct replacement for the original style used on 24-valve ISB motors.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eAccurate 76℃ (168.8℉) opening temperature for proper warm-up\u003c\/li\u003e\n\u003cli\u003eIncludes matching O-ring seal for a secure fit\u003c\/li\u003e\n\u003cli\u003eCorrosion-resistant construction for long service life\u003c\/li\u003e\n\u003cli\u003ePrecision valving for consistent coolant flow\u003c\/li\u003e\n\u003cli\u003eMeets OEM specifications for 5337966\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Cummins 5.9L 24V ISB (1998.5-2002)\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eUsed in Dodge Ram trucks equipped with 5.9L 24V Cummins diesel\u003c\/li\u003e\n\u003cli\u003eFor cooling system repair after overheating or temperature fluctuation\u003c\/li\u003e\n\u003cli\u003eSuitable for replacement during water pump or cooling system service\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\u003e5337966\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOpening Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e76℃ \/ 168.8℉\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIncluded\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eO-Ring Seal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine Fitment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCummins 5.9L 24V ISB (98.5-02)\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 Why is the thermostat opening temperature important? \u003cstrong\u003eA:\u003c\/strong\u003e The thermostat ensures the engine reaches and maintains optimal operating temperature, which improves fuel efficiency and reduces emissions. A thermostat that opens too early or late can cause poor performance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does this thermostat come with everything needed for installation? \u003cstrong\u003eA:\u003c\/strong\u003e The package includes the thermostat and the required O-ring seal. You will need to drain some coolant and access the thermostat housing to complete the replacement.\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":45562638237782,"sku":"ZZ3F01694","price":37.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_165bddc3-6312-477c-b2c5-4ddd5da49152.jpg?v=1789243925","url":"https:\/\/www.solidspare.com\/products\/76-168-8-thermostat-5337966-w-o-ring-seal-fit-for-98-5-02-cummins-5-9-24v-isb","provider":"Solid Spare","version":"1.0","type":"link"}