{"product_id":"76-168-8-thermostat-5337966-w-o-ring-seal-for-98-5-02-cummins-5-9-24v-isb","title":"76℃ 168.8℉ Thermostat 5337966 w\/ O-Ring Seal for 98.5-02 Cummins 5.9 24V ISB","description":"\u003ch2\u003eThermostat 5337966 for Cummins\u003c\/h2\u003e\u003cp\u003eThis thermostat with 76℃ (168.8℉) opening temperature and integrated O-ring seal replaces OEM part 5337966, providing reliable engine cooling regulation for 1998.5-2002 Cummins 5.9L 24V ISB engines.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis 76℃ 168.8℉ thermostat is a direct-fit cooling component designed for the 98.5-02 Cummins 5.9 24V ISB engine. It controls engine operating temperature by opening at 168.8℉ to allow coolant flow, ensuring proper warm-up and preventing overheating. The included O-ring seal ensures a leak-free installation without the need for a separate gasket.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eOpening temperature calibrated at 76℃ (168.8℉) for correct engine warm-up\u003c\/li\u003e\n\u003cli\u003eIncludes integrated O-ring seal for a secure, leak-resistant fit\u003c\/li\u003e\n\u003cli\u003eReplaces OEM part number 5337966\u003c\/li\u003e\n\u003cli\u003eConstructed with corrosion-resistant materials for long service life\u003c\/li\u003e\n\u003cli\u003ePrecision-engineered valve ensures consistent coolant flow control\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Cummins 5.9L 24V ISB engine (1998.5-2002 model years)\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eReplaces a worn or stuck thermostat during routine cooling system maintenance\u003c\/li\u003e\n\u003cli\u003eRestores proper warm-up time and heater performance in cold climates\u003c\/li\u003e\n\u003cli\u003ePrevents engine overheating during heavy loads or towing\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℃ \/ 168.8℉\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIncludes\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\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5337966\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 Does this thermostat come with the gasket needed for installation? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, the O-ring seal is included, so you do not need to purchase a separate gasket for this thermostat.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Will this thermostat work on a 2001 Cummins 5.9 ISB? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, it is designed for the 1998.5-2002 Cummins 5.9 24V ISB engine, which covers your 2001 model.\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":46624580731066,"sku":"ZZ3F01695","price":37.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/2476\/1786\/files\/s-l1600_1ab573e2-1ed5-4987-a36a-cb642d05bdcd.jpg?v=1789149452","url":"https:\/\/partoutfitters.com\/products\/76-168-8-thermostat-5337966-w-o-ring-seal-for-98-5-02-cummins-5-9-24v-isb","provider":"Part Outfitters","version":"1.0","type":"link"}