{"product_id":"dorman-902-5144-engine-coolant-thermostat-housing-assembly-upper","title":"Dorman 902-5144 Engine Coolant Thermostat Housing Assembly - Upper","description":"\u003ch2\u003eEngine Coolant Thermostat Housing for Mercedes-Benz\u003c\/h2\u003e\u003cp\u003eDorman 902-5144 is a replacement engine coolant thermostat housing assembly built for specified Mercedes-Benz applications. It uses a metal housing with a natural finish and includes the thermostat and gasket to match the original layout on covered vehicles.\u003c\/p\u003e\u003cp\u003eDesigned for Mercedes-Benz E500, E420, S420, S500, SL500, CL500, and SL60 AMG applications, this thermostat housing assembly is made to handle repeated temperature swings in the cooling system. The Dorman 902-5144 part number is a direct reference for buyers searching for an OE-style thermostat housing assembly with integrated cover.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMetal thermostat housing assembly with natural finish\u003c\/li\u003e\n\u003cli\u003eIncludes thermostat and gasket for the specified application\u003c\/li\u003e\n\u003cli\u003e176 degree F thermostat opening temperature\u003c\/li\u003e\n\u003cli\u003eThree mounting holes and one outlet port\u003c\/li\u003e\n\u003cli\u003eFlange dimensions: 3.25 in. length, 3.5 in. width, 0.3 in. thickness\u003c\/li\u003e\n\u003cli\u003eInside diameter: 1.1 in.\u003c\/li\u003e\n\u003cli\u003eCross-references Gates 33933 and Stant 14598 for the same application\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThis Dorman thermostat housing assembly is engineered to match the fit and durability of the stock housing on select Mercedes-Benz cooling systems. It is a practical replacement for upper-position and integrated-cover applications, including 1992-1993 Mercedes-Benz 400E, 400SE, 400SEL, and 500SEL, as well as later E500, E420, S420, S500, SL500, CL500, and SL60 AMG coverage. The Dorman 902-5144 helps restore proper coolant routing and thermostat control in vehicles that require a 176 degree F thermostat.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCoolant leaks at the thermostat housing\u003c\/li\u003e\n\u003cli\u003eCracked or warped housing surfaces\u003c\/li\u003e\n\u003cli\u003eImproper thermostat operation from worn components\u003c\/li\u003e\n\u003cli\u003eCooling system temperature control concerns\u003c\/li\u003e\n\u003cli\u003eReplacement needs after corrosion or heat cycling\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the housing position and mounting pattern before installation, especially on Mercedes-Benz upper applications. This assembly uses a gasket-type seal and does not include mounting hardware. Clean the mating surfaces thoroughly and confirm the coolant hose connection size and outlet orientation match the original part before reassembly.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman designs this replacement thermostat housing assembly to match stock fit and durability for the listed vehicles and to withstand extreme temperature changes for extended service life.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52787925319861,"sku":"BKKY-902-5144","price":44.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_9025144_Ang.jpg?v=1783752565","url":"https:\/\/www.partcatalog.com\/products\/dorman-902-5144-engine-coolant-thermostat-housing-assembly-upper","provider":"PartCatalog","version":"1.0","type":"link"}