{"product_id":"dorman-902-5172-engine-coolant-thermostat-housing-assembly","title":"Dorman 902-5172 Engine Coolant Thermostat Housing Assembly","description":"\u003ch2\u003eReliable Engine Coolant Thermostat Housing Assembly for BMW Models\u003c\/h2\u003e\u003cp\u003eThe Dorman 902-5172 Engine Coolant Thermostat Housing Assembly is designed to maintain optimal engine temperature for select BMW vehicles. Engineered with durable plastic and a standard gasket, this thermostat housing assembly ensures efficient coolant flow and temperature regulation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from durable black plastic for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eIncludes thermostat with a 207°F opening temperature for precise engine temperature control\u003c\/li\u003e\n\u003cli\u003eStandard gasket included for a secure, leak-free seal\u003c\/li\u003e\n\u003cli\u003eFeatures one mounting hole and three outlet ports for proper coolant routing\u003c\/li\u003e\n\u003cli\u003eCompatible with BMW 528i, 530i, 740i, and 740Li models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details and Specifications\u003c\/h2\u003e\u003cp\u003eThis Dorman thermostat housing assembly (part number 902-5172) is made from high-quality plastic material designed to withstand engine heat and pressure. The black housing features a 1.25-inch inside diameter, accommodating the coolant flow requirements of your BMW 528i, 530i, 740i, or 740Li. The assembly includes one thermostat calibrated to open at 207 degrees Fahrenheit, ensuring your engine maintains optimal operating temperature. The package contains one sensor, one thermostat housing, and one thermostat, along with a standard gasket to prevent leaks. Note that mounting hardware is not included.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Common Applications\u003c\/h2\u003e\u003cp\u003eThis thermostat housing assembly is compatible with the following BMW models:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBMW 528i\u003c\/li\u003e\n\u003cli\u003eBMW 530i\u003c\/li\u003e\n\u003cli\u003eBMW 740i\u003c\/li\u003e\n\u003cli\u003eBMW 740Li\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIt is designed to replace worn or damaged thermostat housings that can cause engine overheating, coolant leaks, or poor temperature regulation.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by This Thermostat Housing Assembly\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEngine overheating due to thermostat failure\u003c\/li\u003e\n\u003cli\u003eCoolant leaks from cracked or damaged housing\u003c\/li\u003e\n\u003cli\u003eErratic engine temperature fluctuations\u003c\/li\u003e\n\u003cli\u003eReduced engine performance caused by improper coolant flow\u003c\/li\u003e\n\u003cli\u003eFailed temperature sensor readings affecting engine management\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Dorman 902-5172 thermostat housing assembly, ensure the engine is cool before beginning work. Remove the old thermostat housing carefully to avoid damaging surrounding components. Clean the mounting surface thoroughly before installing the new gasket and housing to ensure a proper seal. Since mounting hardware is not included, reuse existing bolts or source appropriate replacements. Verify coolant levels and check for leaks after installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eDorman parts are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. This thermostat housing assembly undergoes rigorous quality control to ensure proper fit and function. While specific warranty details are not provided here, Dorman typically offers limited warranties on their replacement parts. Consult product documentation or the manufacturer for exact warranty terms.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":51934300373173,"sku":"BKKY-902-5172","price":77.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_9025172_Fro.jpg?v=1775011661","url":"https:\/\/www.partcatalog.com\/products\/dorman-902-5172-engine-coolant-thermostat-housing-assembly","provider":"PartCatalog","version":"1.0","type":"link"}