{"product_id":"motorad-5166ktfs-engine-coolant-thermostat-housing-assembly","title":"Motorad 5166KTFS Engine Coolant Thermostat Housing Assembly","description":"\u003ch2\u003eEngine Coolant Thermostat Housing Assembly\u003c\/h2\u003e\u003cp\u003eMotorad 5166KTFS is an engine coolant thermostat housing assembly built to OE specifications for consistent cooling-system control. It includes the housing, a Fail-Safe thermostat, and a seal, with a 195°F opening temperature for direct replacement service on a wide range of GM vehicles.\u003c\/p\u003e\u003cp\u003eDesigned for Buick Century, Chevrolet Impala, Pontiac Grand Prix, and other listed applications, this Motorad Kit line part is made with OEM-quality materials and processes. The copper case and wax compound are engineered for quick response to coolant temperature changes, helping the engine reach and maintain the specified operating range.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePart number 5166KTFS thermostat housing assembly for OE-style replacement\u003c\/li\u003e\n\u003cli\u003e195°F thermostat temperature for specified factory cooling performance\u003c\/li\u003e\n\u003cli\u003eIncludes housing, Fail-Safe thermostat, and seal\u003c\/li\u003e\n\u003cli\u003eSteel, stainless steel, copper, and rubber construction\u003c\/li\u003e\n\u003cli\u003e1 outlet port, 2 bolt holes, and 0.92 in bypass diameter\u003c\/li\u003e\n\u003cli\u003eBlack and silver finish with 1.8 in flange diameter\u003c\/li\u003e\n\u003cli\u003eRubber seal material with 1.32 in outlet diameter\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003eThe Motorad Kit line focuses on thermostat and housing assemblies built to OE specifications for service replacement. This 5166KTFS unit is engineered for vehicles that require a 195°F thermostat housing assembly, with a copper thermostat element that reacts quickly to coolant temperature changes. It is a direct-fit cooling system service part for applications such as Chevrolet Impala, Pontiac Grand Prix, and Buick Century, where stable coolant regulation is critical to engine operation.\u003c\/p\u003e\u003cp\u003eThis part cross-references 95166KTFS for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Cooling System Issues It Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEngine running cooler or warmer than the specified thermostat temperature\u003c\/li\u003e\n\u003cli\u003eCoolant flow control problems caused by a worn thermostat housing assembly\u003c\/li\u003e\n\u003cli\u003eTemperature fluctuation from a thermostat that no longer responds consistently\u003c\/li\u003e\n\u003cli\u003eLeak concerns at the housing or seal interface when replacing a serviceable assembly\u003c\/li\u003e\n\u003cli\u003eCooling-system service needs on high-mileage GM passenger cars and minivans\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eVerify the vehicle’s year, make, model, and OE-specified thermostat temperature before installation. This assembly uses a 2-bolt housing design and does not include gasket or seal hardware beyond the listed seal. Clean the mating surfaces thoroughly, inspect the coolant passages, and refill the system with the correct coolant mixture after installation. Confirm there are no trapped air pockets and check for leaks once the engine reaches operating temperature.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eMotorad manufactures this thermostat housing assembly with OEM-quality materials and safety standards through an OE supplier process. The part is built to OEM specifications and processes for dependable fit and temperature control in demanding automotive cooling systems.\u003c\/p\u003e\u003cp\u003eCompatible with 1991-2007 Buick Century, Buick Regal, Buick Skylark, Buick Rendezvous, and Terraza applications; 1991-2005 Chevrolet Lumina, Monte Carlo, Corsica, Malibu, Impala, and Lumina APV applications; 1991-2005 Pontiac Grand Prix, Grand Am, Trans Sport, and Aztek applications; and 1994-2006 Oldsmobile Cutlass, Cutlass Supreme, Cutlass Ciera, Cutlass Cruiser, Achieva, Alero, and Silhouette applications.\u003c\/p\u003e","brand":"Motorad","offers":[{"title":"Default Title","offer_id":52876612731061,"sku":"BFNG-5166KTFS","price":43.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/TZ_5166KTFS_Fro.jpg?v=1785304379","url":"https:\/\/www.partcatalog.com\/products\/motorad-5166ktfs-engine-coolant-thermostat-housing-assembly","provider":"PartCatalog","version":"1.0","type":"link"}