{"product_id":"dorman-902-5174-engine-coolant-thermostat-housing-assembly-outer","title":"Dorman 902-5174 Engine Coolant Thermostat Housing Assembly - Outer","description":"\u003ch2\u003eReliable Engine Coolant Thermostat Housing Assembly for Lexus and Toyota\u003c\/h2\u003e\u003cp\u003eThe Dorman 902-5174 Engine Coolant Thermostat Housing Assembly is designed to maintain optimal engine temperature for Lexus Avalon, Toyota Camry, and Toyota ES300h models. This assembly includes a thermostat calibrated to open at 180 degrees Fahrenheit, ensuring efficient coolant flow and engine performance.\u003c\/p\u003e\u003ch2\u003eKey Features of Dorman 902-5174 Thermostat Housing Assembly\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eConstructed from durable black plastic material for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eIncludes one thermostat housing, one thermostat, and one gasket for a complete replacement\u003c\/li\u003e\n\u003cli\u003eThermostat opens at 180°F to regulate engine temperature effectively\u003c\/li\u003e\n\u003cli\u003eFeatures two mounting holes with a 3.2-inch bolt hole center-to-center spacing\u003c\/li\u003e\n\u003cli\u003eFlange dimensions: 3.9 inches length, 3.55 inches width, and 0.39 inches thickness\u003c\/li\u003e\n\u003cli\u003eSingle outlet port design without a bleeder hole\u003c\/li\u003e\n\u003cli\u003eGasket type included to ensure a secure seal and prevent leaks\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description of the Thermostat Housing Assembly\u003c\/h2\u003e\u003cp\u003eThis engine coolant thermostat housing assembly by Dorman is engineered to meet the cooling system requirements of select Lexus and Toyota vehicles, including the Avalon, Camry, and ES300h. The black plastic housing offers resistance to heat and corrosion, contributing to long-term durability. The included thermostat is preset to open at 180 degrees Fahrenheit, allowing coolant to circulate when the engine reaches optimal operating temperature. The assembly’s flange and mounting hole specifications ensure proper fitment and secure installation. The gasket included with the assembly provides a reliable seal to prevent coolant leaks, maintaining system integrity.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement of cracked or damaged thermostat housing\u003c\/li\u003e\n\u003cli\u003eResolving engine overheating due to thermostat failure\u003c\/li\u003e\n\u003cli\u003eFixing coolant leaks around the thermostat housing area\u003c\/li\u003e\n\u003cli\u003eRestoring proper coolant flow in Lexus Avalon, Toyota Camry, and ES300h models\u003c\/li\u003e\n\u003cli\u003eMaintaining engine temperature regulation for efficient performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eEnsure the engine is cool before beginning installation to avoid injury. Remove the old thermostat housing carefully to prevent damage to surrounding components. Clean the mounting surface thoroughly before installing the new gasket and housing assembly. Torque mounting bolts to manufacturer specifications to avoid leaks or damage. Since mounting hardware is not included, reuse existing bolts if they are in good condition or source replacements as needed.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eDorman’s 902-5174 thermostat housing assembly is manufactured to meet OEM standards for fit and function. The plastic construction is designed to resist corrosion and withstand engine heat cycles. This product includes a thermostat and gasket to ensure a complete and reliable replacement. Warranty details should be confirmed with the distributor or manufacturer for coverage specifics.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52111221620917,"sku":"BKKY-902-5174","price":45.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_9025174_Fro.jpg?v=1775160495","url":"https:\/\/www.partcatalog.com\/products\/dorman-902-5174-engine-coolant-thermostat-housing-assembly-outer","provider":"PartCatalog","version":"1.0","type":"link"}