{"product_id":"dorman-902-2068-engine-coolant-thermostat-housing","title":"Dorman 902-2068 Engine Coolant Thermostat Housing - Upper","description":"\u003ch2\u003eOverview of Dorman Engine Coolant Thermostat Housing 902-2068\u003c\/h2\u003e\u003cp\u003eThe Dorman 902-2068 engine coolant thermostat housing is designed for reliable cooling system performance in Chevrolet and GMC heavy-duty trucks. This metal thermostat housing features a natural finish and includes a gasket for a secure seal, ensuring proper engine temperature regulation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDurable metal construction with natural color finish\u003c\/li\u003e\n\u003cli\u003eIncludes gasket for leak-free installation\u003c\/li\u003e\n\u003cli\u003eFour mounting holes with 0.313 inch diameter for secure fitment\u003c\/li\u003e\n\u003cli\u003e2-inch outlet port diameter compatible with factory cooling systems\u003c\/li\u003e\n\u003cli\u003eEquipped with an air vent (bleeder valve) to remove trapped air\u003c\/li\u003e\n\u003cli\u003eThermostat not included, bolts not included\u003c\/li\u003e\n\u003cli\u003eCompatible with Chevrolet and GMC Sierra 2500 HD, Sierra 3500, Silverado 2500 HD, and Silverado 3500 models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dorman 902-2068 engine coolant thermostat housing is engineered from metal to withstand the high temperatures and pressures of heavy-duty truck cooling systems. Its natural finish provides corrosion resistance and durability. The housing features a 2-inch outlet port diameter, matching OEM specifications for seamless integration with the vehicle’s cooling system. Four mounting holes, each with a diameter of 0.313 inches, ensure a secure and precise fit. An integrated air vent (bleeder valve) allows for efficient removal of trapped air, helping to maintain optimal coolant flow and prevent overheating. This thermostat housing comes with a gasket included to provide a tight seal and prevent coolant leaks. Note that the thermostat and mounting bolts are not included with this part.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis thermostat housing is compatible with select Chevrolet and GMC heavy-duty trucks, specifically:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eChevrolet Sierra 2500 HD\u003c\/li\u003e\n\u003cli\u003eChevrolet Sierra 3500\u003c\/li\u003e\n\u003cli\u003eGMC Sierra 2500 HD\u003c\/li\u003e\n\u003cli\u003eGMC Sierra 3500\u003c\/li\u003e\n\u003cli\u003eChevrolet Silverado 2500 HD\u003c\/li\u003e\n\u003cli\u003eChevrolet Silverado 3500\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Issues Addressed by This Thermostat Housing\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCoolant leaks caused by cracked or damaged thermostat housing\u003c\/li\u003e\n\u003cli\u003eOverheating due to faulty or leaking housing\u003c\/li\u003e\n\u003cli\u003eAir trapped in the cooling system affecting temperature regulation\u003c\/li\u003e\n\u003cli\u003eCorrosion or wear compromising the housing’s integrity\u003c\/li\u003e\n\u003cli\u003eImproper fitment or seal failure with previous replacement parts\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure the engine is cool before beginning installation to avoid burns\u003c\/li\u003e\n\u003cli\u003eUse the included gasket to prevent coolant leaks and ensure a proper seal\u003c\/li\u003e\n\u003cli\u003eInspect mounting holes and clean mating surfaces before installation\u003c\/li\u003e\n\u003cli\u003eReplace mounting bolts if damaged or corroded, as bolts are not included\u003c\/li\u003e\n\u003cli\u003eBleed the cooling system after installation to remove trapped air via the air vent\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman manufactures this thermostat housing to meet or exceed OEM standards for fit, form, and function. The metal construction and included gasket contribute to long-lasting performance in demanding heavy-duty truck applications. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Refer to Dorman’s official warranty policy for complete information.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":44324661035189,"sku":"BKKY-902-2068","price":61.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_9022068_Fro.jpg?v=1775011593","url":"https:\/\/www.partcatalog.com\/products\/dorman-902-2068-engine-coolant-thermostat-housing","provider":"PartCatalog","version":"1.0","type":"link"}