{"product_id":"four-seasons-85963-engine-coolant-thermostat-housing","title":"Four Seasons 85963 Engine Coolant Thermostat Housing","description":"\u003ch2\u003eReliable Engine Coolant Thermostat Housing for Audi A4 Models\u003c\/h2\u003e\u003cp\u003eThe Four Seasons Thermostat Housing 85963 is designed specifically for Audi A4 and A4 Quattro vehicles. This engine coolant thermostat housing ensures proper temperature regulation and cooling system performance, helping maintain your engine's optimal operating conditions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from durable plastic material for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eIncludes gasket and seal for a secure, leak-free installation\u003c\/li\u003e\n\u003cli\u003eComes with thermostat pre-installed for convenience\u003c\/li\u003e\n\u003cli\u003eFlange thickness of 0.400 inches and inlet port diameter of 1.019 inches\u003c\/li\u003e\n\u003cli\u003eBolt hole center-to-center measurement of 2.75 inches for precise fitment\u003c\/li\u003e\n\u003cli\u003eOverall height of 3.334 inches to match OEM specifications\u003c\/li\u003e\n\u003cli\u003eMeets or exceeds OEM standards for reliable performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout the Four Seasons Thermostat Housing Product Line\u003c\/h2\u003e\u003cp\u003eThe Four Seasons Thermostat Housing line focuses on engine coolant components engineered to meet or exceed original equipment manufacturer requirements. This product line offers integrated thermostat housings designed to simplify installation and ensure consistent engine temperature control. The 85963 model includes the thermostat and necessary seals, providing a complete solution for Audi A4 cooling system maintenance.\u003c\/p\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Four Seasons 85963 thermostat housing is made from high-quality plastic, offering resistance to corrosion and heat. It features a flange thickness of 0.400 inches and an inlet port diameter of 1.019 inches, ensuring compatibility with the cooling system of Audi A4 and A4 Quattro models. The included gasket and seal help prevent coolant leaks, while the pre-installed thermostat streamlines replacement procedures. With a bolt hole center-to-center distance of 2.75 inches and an overall height of 3.334 inches, this housing matches OEM dimensions for a precise fit.\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 coolant leaks around the thermostat area\u003c\/li\u003e\n\u003cli\u003eAddressing engine overheating due to thermostat failure\u003c\/li\u003e\n\u003cli\u003eMaintaining proper coolant flow and engine temperature regulation\u003c\/li\u003e\n\u003cli\u003eUpgrading worn or degraded cooling system components\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Four Seasons Thermostat Housing 85963, 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 placing the included gasket and seal. Tighten bolts evenly to the manufacturer’s torque specifications to prevent leaks. Since the thermostat is pre-installed, verify its orientation matches OEM setup for proper operation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eThis thermostat housing meets or exceeds OEM standards, providing reliable performance for Audi A4 and A4 Quattro vehicles. Four Seasons products are manufactured under strict quality controls to ensure durability and fitment accuracy. The 85963 part number is backed by Four Seasons’ warranty coverage, offering peace of mind for your cooling system repairs.\u003c\/p\u003e","brand":"Four Seasons","offers":[{"title":"Default Title","offer_id":44617454715061,"sku":"BBRN-85963","price":83.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/FS_85963_Fro.jpg?v=1775070767","url":"https:\/\/www.partcatalog.com\/products\/four-seasons-85963-engine-coolant-thermostat-housing","provider":"PartCatalog","version":"1.0","type":"link"}