{"product_id":"motorad-678-221-engine-coolant-thermostat-housing-assembly","title":"Motorad 678-221 Engine Coolant Thermostat Housing Assembly","description":"\u003ch2\u003eOverview of Motorad Integrated Housing Thermostat 678-221\u003c\/h2\u003e\u003cp\u003eThe Motorad Integrated Housing Thermostat 678-221 is designed specifically for Mini Cooper, Cooper Countryman, and Cooper Paceman models. This engine coolant thermostat housing assembly ensures precise temperature regulation with a start-to-open temperature of 221°F, helping maintain optimal engine performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Mini Cooper, Cooper Countryman, and Cooper Paceman\u003c\/li\u003e\n\u003cli\u003eIntegrated Housing Thermostat product line by Motorad\u003c\/li\u003e\n\u003cli\u003eStart to open temperature: 221°F\u003c\/li\u003e\n\u003cli\u003eIncludes rubber gasket\/seal and jiggle pin\u003c\/li\u003e\n\u003cli\u003eConstructed from plastic, stainless steel, and copper materials\u003c\/li\u003e\n\u003cli\u003eThree bolt holes for secure mounting\u003c\/li\u003e\n\u003cli\u003eSix outlet ports with varied diameters for efficient coolant flow\u003c\/li\u003e\n\u003cli\u003eBleeder hole included for air removal\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis Motorad Integrated Housing Thermostat 678-221 combines the thermostat and housing into a single assembly, simplifying installation and improving reliability. The thermostat opens at 221 degrees Fahrenheit, ensuring the engine coolant circulates at the correct temperature to prevent overheating or overcooling. The housing is made from a combination of durable plastic, stainless steel, and copper, providing corrosion resistance and long service life.\u003c\/p\u003e\u003cp\u003eThe assembly features three bolt holes for secure attachment and includes a rubber gasket to ensure a tight seal and prevent leaks. A jiggle pin is integrated to help remove trapped air from the cooling system, while the bleeder hole further aids in air evacuation. The six outlet ports vary in diameter (ranging from 0.72 to 1.68 inches) to accommodate different coolant flow paths within the engine cooling system.\u003c\/p\u003e\u003ch2\u003eAbout the Integrated Housing Thermostat Product Line\u003c\/h2\u003e\u003cp\u003eThe Motorad Integrated Housing Thermostat line combines the thermostat and housing into a single unit, reducing the number of components and potential leak points. This design streamlines the cooling system maintenance process and enhances the reliability of temperature regulation. The 678-221 part is a representative example, engineered for specific Mini models to meet OEM specifications.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRegulates engine coolant temperature for Mini Cooper, Cooper Countryman, and Cooper Paceman\u003c\/li\u003e\n\u003cli\u003ePrevents engine overheating by opening at 221°F\u003c\/li\u003e\n\u003cli\u003eEliminates coolant leaks with included rubber gasket\u003c\/li\u003e\n\u003cli\u003eHelps remove air pockets in the cooling system via bleeder hole and jiggle pin\u003c\/li\u003e\n\u003cli\u003eReplaces worn or damaged thermostat housing assemblies\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure the engine is cool before beginning installation\u003c\/li\u003e\n\u003cli\u003eUse the included rubber gasket to prevent coolant leaks\u003c\/li\u003e\n\u003cli\u003eTorque bolts evenly across the three mounting holes for proper sealing\u003c\/li\u003e\n\u003cli\u003eBleeder hole and jiggle pin assist in removing trapped air during coolant refilling\u003c\/li\u003e\n\u003cli\u003eNote that mounting hardware and bolts are not included and must be reused or sourced separately\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eMotorad manufactures the Integrated Housing Thermostat 678-221 to meet or exceed OEM standards for fit and function. The use of high-quality materials such as stainless steel and copper ensures durability and corrosion resistance. This part includes a rubber gasket for a reliable seal. Warranty details should be confirmed with the distributor or retailer, as they may vary.\u003c\/p\u003e","brand":"Motorad","offers":[{"title":"Default Title","offer_id":45165724205237,"sku":"BFNG-678-221","price":79.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/TZ_678221_Sen.jpg?v=1775103791","url":"https:\/\/www.partcatalog.com\/products\/motorad-678-221-engine-coolant-thermostat-housing-assembly","provider":"PartCatalog","version":"1.0","type":"link"}