{"product_id":"rein-cta0021-engine-coolant-thermostat-housing-assembly","title":"Rein CTA0021 Engine Coolant Thermostat Housing Assembly","description":"\u003ch2\u003eOverview of Rein Engine Coolant Thermostat Housing Assembly\u003c\/h2\u003e\u003cp\u003eThe Rein CTA0021 Engine Coolant Thermostat Housing Assembly is designed specifically for Audi A4 and A4 Quattro models. Engineered to match original equipment specifications, this thermostat assembly ensures reliable temperature regulation for optimal engine performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMatches original equipment design specifications for precise fit\u003c\/li\u003e\n\u003cli\u003eDirect fitment allows for straightforward installation\u003c\/li\u003e\n\u003cli\u003eManufactured to strict engineering standards in China\u003c\/li\u003e\n\u003cli\u003eThermostat set to 100 degrees Celsius to maintain optimal engine temperature\u003c\/li\u003e\n\u003cli\u003eCompact dimensions: 5.75\" height, 5.5\" length, 5.5\" width\u003c\/li\u003e\n\u003cli\u003eLightweight design at 0.985 lbs for efficient operation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Rein CTA0021 thermostat housing assembly is an application-specific replacement part tailored for Audi A4 and A4 Quattro vehicles. This assembly integrates a thermostat preset to 100 degrees Celsius, which helps maintain the engine’s optimal running temperature, preventing overheating or inefficient cooling. Manufactured under strict engineering standards, the assembly matches original equipment design specifications to ensure compatibility and durability. Its direct fitment design simplifies installation, reducing labor time and minimizing the risk of installation errors.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Common Applications\u003c\/h2\u003e\u003cp\u003eThis thermostat housing assembly is compatible with the following vehicles:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAudi A4\u003c\/li\u003e\n\u003cli\u003eAudi A4 Quattro\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIt is commonly used to address issues such as:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEngine overheating due to thermostat failure\u003c\/li\u003e\n\u003cli\u003eCoolant leaks from damaged or worn thermostat housing\u003c\/li\u003e\n\u003cli\u003eErratic engine temperature fluctuations\u003c\/li\u003e\n\u003cli\u003eReduced engine efficiency caused by improper coolant flow\u003c\/li\u003e\n\u003cli\u003eCheck engine light triggered by cooling system faults\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation of the Rein CTA0021 thermostat housing assembly is straightforward due to its direct fit design. It is recommended to:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEnsure the engine is cool before beginning installation\u003c\/li\u003e\n\u003cli\u003eDrain the coolant system to prevent spills\u003c\/li\u003e\n\u003cli\u003eRemove the old thermostat housing carefully to avoid damaging surrounding components\u003c\/li\u003e\n\u003cli\u003eClean the mounting surface thoroughly before installing the new assembly\u003c\/li\u003e\n\u003cli\u003eUse manufacturer-recommended torque specifications when tightening bolts\u003c\/li\u003e\n\u003cli\u003eRefill the coolant system and bleed air pockets to maintain proper cooling system function\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eRein thermostat assemblies are manufactured to meet or exceed original equipment standards, ensuring reliable performance and durability. While specific warranty details for part number CTA0021 are not provided, Rein products typically undergo rigorous quality control processes to maintain consistency and reliability in automotive applications.\u003c\/p\u003e","brand":"Rein","offers":[{"title":"Default Title","offer_id":43762389385397,"sku":"DFBS-CTA0021","price":102.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/C8_CTA0021_Fro.jpg?v=1774994971","url":"https:\/\/www.partcatalog.com\/products\/rein-cta0021-engine-coolant-thermostat-housing-assembly","provider":"PartCatalog","version":"1.0","type":"link"}