{"product_id":"5506957-genuine-cummins®-def-doser-pump","title":"5506957 | Genuine Cummins® DEF Doser Pump","description":"\u003cp\u003e\u003cstrong\u003eDescription:\u003cbr\u003e\u003c\/strong\u003eA DEF Doser Pump (also called a DEF pump or urea dosing pump) \u003cstrong\u003e5506957 \u003c\/strong\u003eis a component of a diesel engine’s Selective Catalytic Reduction (SCR) emissions system. Its job is to deliver Diesel Exhaust Fluid (DEF) from the DEF tank to the exhaust system in the correct amount.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e: 5506957 \u003cbr\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003cspan\u003e: New\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eManufacture\/Brand\u003c\/strong\u003e\u003cspan\u003e: Cummins\u003cbr\u003e\u003cstrong\u003eRelated Part Numbers:\u003c\/strong\u003e 5506957RX, 5506957NX\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003cstrong data-start=\"160\" data-end=\"176\"\u003e\u003cbr\u003eEngine\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"height: 19.6px;\" width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e \u003cspan\u003eQSG12 CM2350 G110, X12 CM2350 G110, X12 CM2350 X119B, X15 CM2350 X116B\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong data-start=\"160\" data-end=\"176\"\u003e\u003cbr\u003eFits For 5506957 \u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e International, Cummins Engines\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong data-start=\"160\" data-end=\"176\"\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul id=\"catalogModels\" class=\"nav catalog\"\u003e\u003c\/ul\u003e\n\u003cp data-start=\"160\" data-end=\"353\"\u003e\u003cstrong\u003ePurpose of using 5506957 \u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003col data-start=\"255\" data-end=\"788\"\u003e\n\u003cli data-start=\"255\" data-end=\"358\"\u003e\n\u003cp data-start=\"258\" data-end=\"296\"\u003e\u003cstrong data-start=\"258\" data-end=\"294\"\u003eSupply DEF to the exhaust system\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"300\" data-end=\"358\"\u003e\n\u003cli data-start=\"300\" data-end=\"358\"\u003e\n\u003cp data-start=\"302\" data-end=\"358\"\u003ePumps DEF from the DEF tank to the DEF injector (doser).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"360\" data-end=\"474\"\u003e\n\u003cp data-start=\"363\" data-end=\"389\"\u003e\u003cstrong data-start=\"363\" data-end=\"387\"\u003eReduce NOx emissions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"393\" data-end=\"474\"\u003e\n\u003cli data-start=\"393\" data-end=\"474\"\u003e\n\u003cp data-start=\"395\" data-end=\"474\"\u003eDEF helps convert nitrogen oxides (NOx) into harmless nitrogen and water vapor.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"476\" data-end=\"577\"\u003e\n\u003cp data-start=\"479\" data-end=\"507\"\u003e\u003cstrong data-start=\"479\" data-end=\"505\"\u003eSupport the SCR system\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"511\" data-end=\"577\"\u003e\n\u003cli data-start=\"511\" data-end=\"577\"\u003e\n\u003cp data-start=\"513\" data-end=\"577\"\u003eEnsures the Selective Catalytic Reduction system works properly.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"579\" data-end=\"693\"\u003e\n\u003cp data-start=\"582\" data-end=\"621\"\u003e\u003cstrong data-start=\"582\" data-end=\"619\"\u003ePrevent engine derate or shutdown\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"625\" data-end=\"693\"\u003e\n\u003cli data-start=\"625\" data-end=\"693\"\u003e\n\u003cp data-start=\"627\" data-end=\"693\"\u003eProper DEF dosing avoids emissions faults that limit engine power.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"695\" data-end=\"788\"\u003e\n\u003cp data-start=\"698\" data-end=\"736\"\u003e\u003cstrong data-start=\"698\" data-end=\"734\"\u003eImprove environmental compliance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"740\" data-end=\"788\"\u003e\n\u003cli data-start=\"740\" data-end=\"788\"\u003e\n\u003cp data-start=\"742\" data-end=\"788\"\u003eHelps diesel engines meet emissions standards.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp data-start=\"160\" data-end=\"353\"\u003e\u003cstrong data-start=\"585\" data-end=\"597\"\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSigns of a Bad DEF Doser Pump 5506957 \u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cul\u003e\n\u003cli data-start=\"200\" data-end=\"294\"\u003e\n\u003cp data-start=\"203\" data-end=\"246\"\u003e\u003cstrong data-start=\"203\" data-end=\"246\"\u003eCheck Engine Light or DEF warning light\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"250\" data-end=\"294\"\u003e\n\u003cli data-start=\"250\" data-end=\"294\"\u003e\n\u003cp data-start=\"252\" data-end=\"294\"\u003eEmissions or SCR system fault codes appear\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"296\" data-end=\"400\"\u003e\n\u003cp data-start=\"299\" data-end=\"333\"\u003e\u003cstrong data-start=\"299\" data-end=\"333\"\u003eEngine derate or reduced power\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"337\" data-end=\"400\"\u003e\n\u003cli data-start=\"337\" data-end=\"400\"\u003e\n\u003cp data-start=\"339\" data-end=\"400\"\u003eVehicle limits speed or power to protect emissions compliance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"402\" data-end=\"504\"\u003e\n\u003cp data-start=\"405\" data-end=\"434\"\u003e\u003cstrong data-start=\"405\" data-end=\"434\"\u003eDEF system fault messages\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"438\" data-end=\"504\"\u003e\n\u003cli data-start=\"438\" data-end=\"504\"\u003e\n\u003cp data-start=\"440\" data-end=\"504\"\u003eMessages like \u003cem data-start=\"454\" data-end=\"480\"\u003e“DEF System Malfunction”\u003c\/em\u003e or \u003cem data-start=\"484\" data-end=\"504\"\u003e“Poor DEF Quality”\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"506\" data-end=\"573\"\u003e\n\u003cp data-start=\"509\" data-end=\"531\"\u003e\u003cstrong data-start=\"509\" data-end=\"531\"\u003eNo DEF consumption\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"535\" data-end=\"573\"\u003e\n\u003cli data-start=\"535\" data-end=\"573\"\u003e\n\u003cp data-start=\"537\" data-end=\"573\"\u003eDEF level doesn’t decrease over time\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"575\" data-end=\"640\"\u003e\n\u003cp data-start=\"578\" data-end=\"607\"\u003e\u003cstrong data-start=\"578\" data-end=\"607\"\u003eExcessive DEF consumption\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"611\" data-end=\"640\"\u003e\n\u003cli data-start=\"611\" data-end=\"640\"\u003e\n\u003cp data-start=\"613\" data-end=\"640\"\u003ePump may be over-dosing DEF\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"642\" data-end=\"742\"\u003e\n\u003cp data-start=\"645\" data-end=\"690\"\u003e\u003cstrong data-start=\"645\" data-end=\"690\"\u003eCrystallized DEF around injector or lines\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"694\" data-end=\"742\"\u003e\n\u003cli data-start=\"694\" data-end=\"742\"\u003e\n\u003cp data-start=\"696\" data-end=\"742\"\u003eWhite powder buildup indicates improper dosing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"744\" data-end=\"841\"\u003e\n\u003cp data-start=\"747\" data-end=\"794\"\u003e\u003cstrong data-start=\"747\" data-end=\"776\"\u003eHard starting or no start\u003c\/strong\u003e (on some systems)\u003c\/p\u003e\n\u003cul data-start=\"798\" data-end=\"841\"\u003e\n\u003cli data-start=\"798\" data-end=\"841\"\u003e\n\u003cp data-start=\"800\" data-end=\"841\"\u003eEmissions fault prevents normal operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"843\" data-end=\"915\"\u003e\n\u003cp data-start=\"846\" data-end=\"875\"\u003e\u003cstrong data-start=\"846\" data-end=\"875\"\u003eFailed DEF system priming\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"879\" data-end=\"915\"\u003e\n\u003cli data-start=\"879\" data-end=\"915\"\u003e\n\u003cp data-start=\"881\" data-end=\"915\"\u003ePump cannot build or hold pressure\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp data-start=\"97\" data-end=\"476\"\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eAbout the Manufacturer – \u003c\/span\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eCummins:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"0\" data-end=\"381\"\u003eCummins is a leading American manufacturer of diesel and natural gas engines, as well as power generation systems and emissions solutions. Founded in 1919 and headquartered in Columbus, Indiana, Cummins is known globally for its durable, high-performance engines used in trucks, buses, construction equipment, agriculture, and power systems.\u003c\/p\u003e\n\u003cp data-start=\"383\" data-end=\"628\"\u003eThe brand is widely respected for its innovation in clean diesel technology, including aftertreatment systems, turbochargers, and advanced electronics that help reduce emissions while maximizing engine efficiency and reliability.\u003c\/p\u003e","brand":"Cummins","offers":[{"title":"Default Title","offer_id":50433251344631,"sku":"5506957","price":1249.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0895\/7080\/3959\/files\/s-l500_19_500x_500x500_73e240b1-563a-4bcd-b348-11765a2129ef.webp?v=1768587620","url":"https:\/\/forcetruckparts.com\/products\/5506957-genuine-cummins%c2%ae-def-doser-pump","provider":"Force Truck Parts","version":"1.0","type":"link"}