{"product_id":"5292712-190-f-thermostat-with-o-ring-for-cummins-isb6-7-4929644-3974371-4929643","title":"5292712 190°F Thermostat with O-Ring for Cummins ISB6.7 4929644 3974371 4929643","description":"\u003ch2\u003e190°F Thermostat with O-Ring for Cummins ISB6.7\u003c\/h2\u003e\u003cp\u003eThis 190°F thermostat with O-Ring is a direct replacement engine cooling component for Cummins ISB6.7 applications, designed to regulate operating temperature and ensure efficient engine performance. It references OEM cross-reference numbers 4929644, 3974371, and 4929643 for compatibility verification.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis 190°F thermostat with O-Ring for Cummins ISB6.7 maintains optimal engine temperature by controlling coolant flow once the engine reaches its rated opening temperature. The integrated O-Ring provides a reliable seal to prevent coolant leaks, making it suitable for Cummins diesel engines in medium-duty trucks, buses, and industrial equipment. This thermostat helps ensure consistent thermal management for prolonged engine life.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eOpens at 190°F for precise engine temperature regulation.\u003c\/li\u003e\n\u003cli\u003eIncludes a pre-installed O-Ring for a secure, leak-resistant fit.\u003c\/li\u003e\n\u003cli\u003eEngineered to match OEM specifications for direct compatibility.\u003c\/li\u003e\n\u003cli\u003eRugged construction withstands high coolant pressures and temperatures.\u003c\/li\u003e\n\u003cli\u003eFacilitates faster warm-up to reduce engine wear during cold starts.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Cummins ISB6.7 engines\u003c\/li\u003e\n\u003cli\u003efor Cummins 6.7L diesel applications (with matching part numbers)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eUsed in heavy-duty truck cooling systems for over-the-road hauling.\u003c\/li\u003e\n\u003cli\u003eApplies to construction equipment powered by Cummins 6.7L engines.\u003c\/li\u003e\n\u003cli\u003eReplacement for bus fleets and delivery vehicles with ISB6.7 power.\u003c\/li\u003e\n\u003cli\u003eWorks in generator sets and agricultural machinery using these engines.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOpening Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e190°F\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\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\u003e5292712, 4929644, 3974371, 4929643\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 Is this thermostat compatible with my Cummins ISB6.7? \u003cstrong\u003eA:\u003c\/strong\u003e It fits ISB6.7 engines when the existing thermostat uses the same 190°F rating and mount pattern; confirm your engine's serial number against the OEM cross-reference numbers listed.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Why does the O-Ring matter for installation? \u003cstrong\u003eA:\u003c\/strong\u003e The included O-Ring creates the sealing surface between the thermostat and housing, preventing coolant bypass and ensuring the thermostat functions as intended without leaks.\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":45562728317014,"sku":"ZZ3F03020","price":46.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_f2c4fd6c-4bdf-4d88-bfc0-1ae22acdd809.jpg?v=1789251221","url":"https:\/\/www.solidspare.com\/products\/5292712-190-f-thermostat-with-o-ring-for-cummins-isb6-7-4929644-3974371-4929643","provider":"Solid Spare","version":"1.0","type":"link"}