{"product_id":"motorad-5541kt-engine-coolant-thermostat-housing-assembly","title":"Motorad 5541KT Engine Coolant Thermostat Housing Assembly","description":"\u003ch2\u003eEngine Cooling Thermostat Housing Kit\u003c\/h2\u003e\u003cp\u003eThe Motorad 5541KT engine coolant thermostat housing assembly is built for BMW cooling systems that need accurate temperature control and a secure seal at the thermostat housing. This kit is specified at 192F and includes the housing, thermostat, and seal for direct service on listed BMW applications.\u003c\/p\u003e\u003cp\u003eMotorad Kit products are OE-supplier sourced and manufactured to OEM specifications and processes, using materials selected for cooling-system durability and consistent thermal response. The copper case and wax compound support quick reaction to coolant temperature changes, while the offset design, air relief valve, and OEM-style seals are included where applicable.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEngine coolant thermostat housing assembly for BMW cooling system service\u003c\/li\u003e\n\u003cli\u003eOE specified 192F thermostat temperature\u003c\/li\u003e\n\u003cli\u003eIncludes housing, thermostat, and seal\u003c\/li\u003e\n\u003cli\u003eCopper case and wax compound for responsive temperature regulation\u003c\/li\u003e\n\u003cli\u003eOffset design with air relief valve and OEM-style seals where applicable\u003c\/li\u003e\n\u003cli\u003eSteel, stainless steel, copper, and rubber construction\u003c\/li\u003e\n\u003cli\u003eSilver finish with 4 bolt holes\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eMotorad 5541KT is a thermostat housing assembly designed for BMW models including the 1992-1995 BMW 325i, 1992-1993 BMW 325is, 1993-1995 BMW 525i, 1994-1999 BMW M3, 1996-1998 BMW 328i, 1996-1999 BMW 328is, 1997-2000 BMW Z3, 1998-1999 BMW 323is, 1998 BMW 323i, and 1999 BMW 323ti. This part number 5541KT is built to OE specifications for fit and thermal performance in the listed applications.\u003c\/p\u003e\u003cp\u003eThis part cross-references 95541KT and NI for the same application. For BMW 3 Series and Z3 cooling system repairs, the 5541KT provides a direct replacement solution where the thermostat housing assembly is serviced as a unit.\u003c\/p\u003e\u003ch2\u003eCommon Problems This Part Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCoolant temperature regulation issues caused by a worn thermostat\u003c\/li\u003e\n\u003cli\u003eLeaks at the thermostat housing or seal interface\u003c\/li\u003e\n\u003cli\u003eDelayed engine warm-up from a thermostat that no longer opens at the specified temperature\u003c\/li\u003e\n\u003cli\u003eCooling system service needs on BMW M3, 3 Series, 5 Series, and Z3 applications\u003c\/li\u003e\n\u003cli\u003eHousing wear or corrosion in the thermostat assembly area\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the OE specified 192F application before installation. Inspect the mating surfaces, coolant passages, and surrounding hoses for wear or contamination before reassembly. Use the correct torque sequence for the 4-bolt housing and refill the cooling system according to BMW service procedures to remove trapped air.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eMotorad manufactures this Kit line product with OEM quality materials and safety standards as an OE supplier, using OEM specifications and processes for cooling-system service.\u003c\/p\u003e","brand":"Motorad","offers":[{"title":"Default Title","offer_id":52876613550261,"sku":"BFNG-5541KT","price":46.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/TZ_5541KT_Fro.jpg?v=1785304451","url":"https:\/\/www.partcatalog.com\/products\/motorad-5541kt-engine-coolant-thermostat-housing-assembly","provider":"PartCatalog","version":"1.0","type":"link"}