{"product_id":"dorman-902-5040-engine-coolant-thermostat-housing","title":"Dorman 902-5040 Engine Coolant Thermostat Housing","description":"\u003ch2\u003eOverview of Dorman Engine Coolant Thermostat Housing 902-5040\u003c\/h2\u003e\u003cp\u003eThe Dorman 902-5040 engine coolant thermostat housing is designed for reliable cooling system performance in select Toyota vehicles. This metal thermostat housing is compatible with Toyota Celica, Cressida, and Supra models, providing a durable replacement option for maintaining proper engine temperature regulation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from durable metal material for long-lasting use\u003c\/li\u003e\n\u003cli\u003eNatural color finish with a 90-degree housing neck angle\u003c\/li\u003e\n\u003cli\u003eIncludes a gasket and air vent (bleeder valve) for efficient coolant flow\u003c\/li\u003e\n\u003cli\u003eFeatures three mounting holes with 0.313-inch diameter for secure installation\u003c\/li\u003e\n\u003cli\u003eOutlet port diameter measures 1.313 inches to match OEM specifications\u003c\/li\u003e\n\u003cli\u003eThermostat not included; designed to house existing thermostat\u003c\/li\u003e\n\u003cli\u003eCompatible with Toyota Celica, Cressida, and Supra models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dorman 902-5040 engine coolant thermostat housing is engineered to meet the exact fitment requirements of Toyota Celica, Cressida, and Supra vehicles. Made from metal, this thermostat housing offers enhanced durability and resistance to heat and corrosion compared to plastic alternatives. The natural finish and 90-degree housing neck angle ensure proper coolant routing within the engine cooling system. It includes a gasket and an integrated air vent (bleeder valve) to help eliminate trapped air and maintain optimal coolant circulation. The housing features three mounting holes with a diameter of 0.313 inches, providing a secure and stable attachment point. While bolts are not included, the housing is designed to accommodate standard mounting hardware. The outlet port diameter of 1.313 inches matches OEM specifications, ensuring compatibility with existing coolant hoses.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement of cracked or leaking thermostat housing in Toyota Celica, Cressida, and Supra\u003c\/li\u003e\n\u003cli\u003eResolving coolant leaks caused by worn or damaged housing gaskets\u003c\/li\u003e\n\u003cli\u003eEliminating overheating issues due to faulty thermostat housing or air pockets\u003c\/li\u003e\n\u003cli\u003eRestoring proper coolant flow and engine temperature regulation\u003c\/li\u003e\n\u003cli\u003eAddressing corrosion or warping in original thermostat housing components\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 tight seal\u003c\/li\u003e\n\u003cli\u003eCheck mounting holes and hardware compatibility prior to installation\u003c\/li\u003e\n\u003cli\u003eBleed the cooling system after installation to remove trapped air via the air vent valve\u003c\/li\u003e\n\u003cli\u003eVerify outlet port connections for secure hose attachment\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman manufactures the 902-5040 thermostat housing to meet or exceed OEM standards for fit, form, and function. The metal construction provides enhanced durability and resistance to heat and corrosion. This part includes a gasket for proper sealing but does not include bolts or a thermostat. While specific warranty details are not provided, Dorman products typically come with a limited warranty against defects in material and workmanship. For exact warranty terms, consult the product documentation or manufacturer.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":44327208222901,"sku":"BKKY-902-5040","price":43.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_9025040_Fro.jpg?v=1775011645","url":"https:\/\/www.partcatalog.com\/products\/dorman-902-5040-engine-coolant-thermostat-housing","provider":"PartCatalog","version":"1.0","type":"link"}