{"product_id":"dorman-902-077-engine-auxiliary-water-pump","title":"Dorman 902-077 Engine Auxiliary Water Pump","description":"\u003ch2\u003eReliable Engine Auxiliary Water Pump for Mercedes-Benz Models\u003c\/h2\u003e\u003cp\u003eThe Dorman 902-077 engine auxiliary water pump is designed to maintain optimal cooling system performance in select Mercedes-Benz vehicles. Engineered with durable materials, this pump supports efficient coolant circulation to help prevent overheating and maintain engine reliability.\u003c\/p\u003e\u003ch2\u003eKey Features of the Dorman 902-077 Auxiliary Water Pump\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eConstructed from a combination of plastic, rubber, and steel for durability and longevity\u003c\/li\u003e\n\u003cli\u003eBlack color finish for corrosion resistance and seamless integration\u003c\/li\u003e\n\u003cli\u003eClockwise rotation to match factory specifications\u003c\/li\u003e\n\u003cli\u003eInlet pipe diameter of 0.52 inches and outlet pipe diameter of 0.5 inches for precise fitment\u003c\/li\u003e\n\u003cli\u003eDepth of 5.7 inches ensuring proper installation depth\u003c\/li\u003e\n\u003cli\u003eIncludes one auxiliary water pump per package\u003c\/li\u003e\n\u003cli\u003eDoes not include pulley, gasket, seal, or shaft, designed for direct replacement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description of the Dorman 902-077 Water Pump\u003c\/h2\u003e\u003cp\u003eThis engine auxiliary water pump is specifically compatible with a range of Mercedes-Benz models including the CL63 AMG, CL65 AMG, CL550, CL600, S63 AMG, S65 AMG, S350, S400, S450, S500, S550, and S600. The pump’s plastic housing combined with rubber and steel components ensures a balance of strength and flexibility, critical for maintaining coolant flow under varying engine conditions. Its black finish helps resist corrosion, while the precise inlet and outlet pipe diameters guarantee a secure connection within the cooling system. The clockwise rotation matches the OEM pump’s operation, ensuring seamless integration without modification.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores proper coolant circulation in auxiliary cooling circuits\u003c\/li\u003e\n\u003cli\u003ePrevents engine overheating caused by failing or inefficient water pumps\u003c\/li\u003e\n\u003cli\u003eEliminates coolant leaks associated with worn or damaged pump components\u003c\/li\u003e\n\u003cli\u003eSupports consistent engine temperature regulation for performance and longevity\u003c\/li\u003e\n\u003cli\u003eReplaces faulty pumps in Mercedes-Benz AMG and standard models listed\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVerify compatibility with your specific Mercedes-Benz model before installation\u003c\/li\u003e\n\u003cli\u003eEnsure the cooling system is depressurized and cooled before removal\u003c\/li\u003e\n\u003cli\u003eInspect related hoses and clamps for wear and replace as necessary\u003c\/li\u003e\n\u003cli\u003eUse appropriate tools to avoid damage to the pump or mounting points\u003c\/li\u003e\n\u003cli\u003eCheck for proper rotation direction and pipe alignment during installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eDorman manufactures the 902-077 auxiliary water pump to meet or exceed OEM standards for fit, form, and function. While no pulley, gasket, seal, or shaft is included, the pump is engineered for direct replacement in compatible Mercedes-Benz vehicles. Dorman products typically come with a limited warranty covering defects in materials and workmanship; please refer to Dorman’s official warranty policy for specific terms.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":44324583309493,"sku":"BKKY-902-077","price":194.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_902077_Fro.jpg?v=1775011545","url":"https:\/\/www.partcatalog.com\/products\/dorman-902-077-engine-auxiliary-water-pump","provider":"PartCatalog","version":"1.0","type":"link"}