{"product_id":"dorman-902-850-engine-coolant-thermostat-housing-cylinder-head-or-inner","title":"Dorman 902-850 Engine Coolant Thermostat Housing - Cylinder Head or Inner","description":"\u003ch2\u003eOverview of Dorman 902-850 Engine Coolant Thermostat Housing\u003c\/h2\u003e\u003cp\u003eThe Dorman 902-850 engine coolant thermostat housing is designed for reliable cooling system performance in select Volkswagen models. This black plastic housing provides a precise 90-degree housing neck angle and includes essential seals to ensure a secure fit and leak-free operation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from durable black plastic material\u003c\/li\u003e\n\u003cli\u003eOutlet port diameter of 1.28 inches for proper coolant flow\u003c\/li\u003e\n\u003cli\u003eIncludes gasket and O-rings for effective sealing\u003c\/li\u003e\n\u003cli\u003eFeatures 8 mounting holes with 0.27-inch diameter each\u003c\/li\u003e\n\u003cli\u003eDesigned with a 90-degree housing neck angle for optimal fit\u003c\/li\u003e\n\u003cli\u003ePackage contains water outlet and O-ring; thermostat and bolts not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dorman 902-850 engine coolant thermostat housing is engineered to meet the cooling system requirements of Volkswagen vehicles such as the Corrado, EuroVan, Golf, Jetta, and Passat. Made from high-quality plastic, this thermostat housing offers corrosion resistance and durability under typical engine operating conditions. The 1.28-inch outlet port diameter ensures proper coolant circulation, while the included gasket and O-rings provide a tight seal to prevent leaks. With eight mounting holes sized at 0.27 inches, the housing secures firmly to the engine block. The 90-degree housing neck angle is designed to match factory specifications, ensuring compatibility and ease of installation.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Common Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVolkswagen Corrado engine coolant thermostat housing replacement\u003c\/li\u003e\n\u003cli\u003eThermostat housing for Volkswagen EuroVan cooling system maintenance\u003c\/li\u003e\n\u003cli\u003eReplacement part for Volkswagen Golf thermostat housing leaks or damage\u003c\/li\u003e\n\u003cli\u003eVolkswagen Jetta cooling system repair requiring thermostat housing\u003c\/li\u003e\n\u003cli\u003eThermostat housing for Volkswagen Passat engine coolant flow control\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Dorman 902-850 thermostat housing, ensure the engine is cool before beginning work. Use the included gasket and O-rings to achieve a proper seal and prevent coolant leaks. Verify that the 90-degree housing neck aligns correctly with the coolant hoses. Since bolts are not included, reuse the original mounting hardware or source appropriate replacements. Double-check all mounting holes for secure attachment and inspect for any signs of wear or damage on surrounding components.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 902-850 thermostat housing undergoes quality inspections to ensure durability and reliable performance in Volkswagen cooling systems. 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":51934301388981,"sku":"BKKY-902-850","price":50.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_902850_Fro.jpg?v=1775011719","url":"https:\/\/www.partcatalog.com\/products\/dorman-902-850-engine-coolant-thermostat-housing-cylinder-head-or-inner","provider":"PartCatalog","version":"1.0","type":"link"}