{"product_id":"def-doser-urea-pump-assembly-for-cummins-diesel-engine-5506956rx-4388105-5506956","title":"DEF Doser Urea Pump Assembly for Cummins Diesel Engine 5506956RX 4388105 5506956","description":"\u003ch2\u003eDEF Doser Urea Pump Assembly for Cummins\u003c\/h2\u003e\u003cp\u003eThis DEF doser urea pump assembly, referencing OEM part numbers 5506956RX, 4388105, and 5506956, regulates and pumps diesel exhaust fluid into the selective catalytic reduction system.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe DEF doser urea pump assembly is a critical emission control component that delivers pressurized urea into the exhaust stream. Utilizing this DEF doser urea pump assembly helps reduce harmful nitrogen oxide emissions, keeping your vehicle compliant with environmental regulations. It is designed for commercial truck owners and fleet operators looking to resolve SCR system faults and clear engine derate conditions.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eHigh-pressure internal pump delivers consistent fluid volume for efficient SCR dosing.\u003c\/li\u003e\n\u003cli\u003eCorrosion-resistant internal components resist crystallization and chemical wear from urea.\u003c\/li\u003e\n\u003cli\u003ePlug-and-play electrical connector matches factory wiring harnesses for quick installation.\u003c\/li\u003e\n\u003cli\u003eThermal insulation protects internal electronics from intense exhaust-system heat.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eMaintaining low-emission diesel exhaust standards during long-haul transport.\u003c\/li\u003e\n\u003cli\u003eResolving SCR warning lights and active dashboard fault codes.\u003c\/li\u003e\n\u003cli\u003ePreventing diesel engine derate states caused by DEF system failures.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5506956RX \/ 4388105 \/ 5506956\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFluid Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDiesel Exhaust Fluid (DEF) \/ Urea\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEmission Control System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Why did my original urea pump fail? \u003cstrong\u003eA:\u003c\/strong\u003e Dried DEF crystallization or debris in the tank are the primary causes of premature pump failure.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Do I need to flush the DEF lines when replacing the pump? \u003cstrong\u003eA:\u003c\/strong\u003e Flushing the lines with distilled water is highly recommended to remove any crystal build-up before installation.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSlight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"Solid Spare","offers":[{"title":"Default Title","offer_id":44788924153942,"sku":"SZ1E04469","price":703.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/57_282a86b2-5718-45de-ba80-2b848254f128.jpg?v=1779934170","url":"https:\/\/www.solidspare.com\/products\/def-doser-urea-pump-assembly-for-cummins-diesel-engine-5506956rx-4388105-5506956","provider":"Solid Spare","version":"1.0","type":"link"}