{"product_id":"4387304rxcum-genuine-cummins®-doser-fluid-supply-module-2-2-12v-3-outlet","title":"4387304RXCUM | Genuine Cummins® Doser Fluid Supply Module 2.2 12V, 3 Outlet","description":"\u003cp\u003e\u003cstrong\u003eDescription:\u003cbr\u003e\u003c\/strong\u003eA Doser Fluid Supply Module \u003cstrong\u003e4387304RXCUM \u003c\/strong\u003eis a component of a diesel engine’s Selective Catalytic Reduction (SCR) system, which is used to reduce nitrogen oxide (NOx) emissions from the exhaust. It’s sometimes also called a urea dosing module because it handles Diesel Exhaust Fluid (DEF), which is a urea solution. Denoxtronic 2.2 AdBlue\u003cem\u003e \u003c\/em\u003eDoser Fluid Supply Module\u003cstrong\u003e 12V, 3 Outlet\u003c\/strong\u003e For \u003cspan\u003eCummins Engines EPA13 6.7 liter ISB\/QSB\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e: 4387304RXCUM\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\u003eCM4387304RX, CU4387304RX\u003cbr\u003e\u003c\/span\u003e\u003cstrong data-start=\"160\" data-end=\"176\"\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003cstrong\u003eFits 4387304RXCUM \u003c\/strong\u003eFor \u003cspan\u003eCummins Engines EPA13 6.7 liter ISB\/QSB, \u003cstrong\u003e12V, 3 Outlet\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\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 4387304RXCUM:\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-section-id=\"12mo9ia\" data-start=\"257\" data-end=\"480\"\u003e\n\u003cp data-start=\"260\" data-end=\"286\"\u003e\u003cstrong data-start=\"260\" data-end=\"284\"\u003eReduce NOx Emissions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"290\" data-end=\"480\"\u003e\n\u003cli data-section-id=\"ps2r5g\" data-start=\"290\" data-end=\"480\"\u003e\n\u003cp data-start=\"292\" data-end=\"480\"\u003eInjects the right amount of DEF into the exhaust, which reacts in the SCR (Selective Catalytic Reduction) catalyst to convert harmful NOx into \u003cstrong data-start=\"435\" data-end=\"477\"\u003eharmless nitrogen (N₂) and water (H₂O)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"17whszc\" data-start=\"482\" data-end=\"643\"\u003e\n\u003cp data-start=\"485\" data-end=\"516\"\u003e\u003cstrong data-start=\"485\" data-end=\"514\"\u003eMeet Emission Regulations\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"520\" data-end=\"643\"\u003e\n\u003cli data-section-id=\"17d8mrd\" data-start=\"520\" data-end=\"643\"\u003e\n\u003cp data-start=\"522\" data-end=\"643\"\u003eEnsures compliance with strict standards such as \u003cstrong data-start=\"571\" data-end=\"599\"\u003eEuro 6, EPA Tier 4 Final\u003c\/strong\u003e, and other regional diesel emission laws.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"12zkb0n\" data-start=\"645\" data-end=\"789\"\u003e\n\u003cp data-start=\"648\" data-end=\"688\"\u003e\u003cstrong data-start=\"648\" data-end=\"686\"\u003eProtect the Environment and Health\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"692\" data-end=\"789\"\u003e\n\u003cli data-section-id=\"14wc51c\" data-start=\"692\" data-end=\"789\"\u003e\n\u003cp data-start=\"694\" data-end=\"789\"\u003eReduces smog-forming NOx pollutants, protecting air quality and reducing respiratory hazards.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1izvlsl\" data-start=\"791\" data-end=\"969\"\u003e\n\u003cp data-start=\"794\" data-end=\"825\"\u003e\u003cstrong data-start=\"794\" data-end=\"823\"\u003eSupport Engine Efficiency\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"829\" data-end=\"969\"\u003e\n\u003cli data-section-id=\"hpdnjn\" data-start=\"829\" data-end=\"969\"\u003e\n\u003cp data-start=\"831\" data-end=\"969\"\u003eBy controlling NOx chemically instead of mechanically limiting combustion, the engine can operate efficiently without sacrificing power.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"y5kskw\" data-start=\"971\" data-end=\"1131\"\u003e\n\u003cp data-start=\"974\" data-end=\"1004\"\u003e\u003cstrong data-start=\"974\" data-end=\"1002\"\u003eEnable Precise DEF Usage\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1008\" data-end=\"1131\"\u003e\n\u003cli data-section-id=\"plu3tl\" data-start=\"1008\" data-end=\"1131\"\u003e\n\u003cp data-start=\"1010\" data-end=\"1131\"\u003eThe module ensures \u003cstrong data-start=\"1029\" data-end=\"1045\"\u003eexact dosing\u003c\/strong\u003e, preventing overuse of DEF (wasteful) or underuse (ineffective emission reduction).\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=\"160\" data-end=\"353\"\u003e\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cstrong data-start=\"585\" data-end=\"597\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSigns of Bad Doser Fluid Supply Module 4387304RXCUM:\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-section-id=\"iw5u6x\" data-start=\"156\" data-end=\"278\"\u003e\n\u003cp data-start=\"159\" data-end=\"189\"\u003e\u003cstrong data-start=\"159\" data-end=\"187\"\u003eDEF\/AdBlue Warning Light\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"193\" data-end=\"278\"\u003e\n\u003cli data-section-id=\"rl3ivf\" data-start=\"193\" data-end=\"278\"\u003e\n\u003cp data-start=\"195\" data-end=\"278\"\u003eDashboard lights may indicate low DEF flow, system malfunction, or dosing errors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1du9efe\" data-start=\"280\" data-end=\"400\"\u003e\n\u003cp data-start=\"283\" data-end=\"326\"\u003e\u003cstrong data-start=\"283\" data-end=\"324\"\u003eCheck Engine Light or SCR Fault Codes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"330\" data-end=\"400\"\u003e\n\u003cli data-section-id=\"oaxvnl\" data-start=\"330\" data-end=\"400\"\u003e\n\u003cp data-start=\"332\" data-end=\"400\"\u003eThe ECU may detect improper dosing and trigger engine fault codes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1aacgr8\" data-start=\"402\" data-end=\"561\"\u003e\n\u003cp data-start=\"405\" data-end=\"443\"\u003e\u003cstrong data-start=\"405\" data-end=\"441\"\u003eReduced Engine Power (Limp Mode)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"447\" data-end=\"561\"\u003e\n\u003cli data-section-id=\"gdhamk\" data-start=\"447\" data-end=\"561\"\u003e\n\u003cp data-start=\"449\" data-end=\"561\"\u003eMany modern diesel engines limit power to protect the engine when the SCR system is not functioning correctly.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"uswmwn\" data-start=\"563\" data-end=\"728\"\u003e\n\u003cp data-start=\"566\" data-end=\"619\"\u003e\u003cstrong data-start=\"566\" data-end=\"617\"\u003eIncreased NOx Emissions \/ Failed Emissions Test\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"623\" data-end=\"728\"\u003e\n\u003cli data-section-id=\"1k95t9g\" data-start=\"623\" data-end=\"728\"\u003e\n\u003cp data-start=\"625\" data-end=\"728\"\u003eA malfunctioning doser module can prevent proper NOx reduction, causing failed emissions inspections.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1wj9rk4\" data-start=\"730\" data-end=\"923\"\u003e\n\u003cp data-start=\"733\" data-end=\"774\"\u003e\u003cstrong data-start=\"733\" data-end=\"772\"\u003eFrequent or Failed SCR Regeneration\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"778\" data-end=\"923\"\u003e\n\u003cli data-section-id=\"1xvalde\" data-start=\"778\" data-end=\"923\"\u003e\n\u003cp data-start=\"780\" data-end=\"923\"\u003eIf DEF is not being injected correctly, the SCR catalyst cannot reduce NOx efficiently, leading to repeated regeneration attempts or failure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"5c2s3h\" data-start=\"925\" data-end=\"1077\"\u003e\n\u003cp data-start=\"928\" data-end=\"951\"\u003e\u003cstrong data-start=\"928\" data-end=\"949\"\u003eUnusual DEF Usage\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"955\" data-end=\"1077\"\u003e\n\u003cli data-section-id=\"1lp3kjs\" data-start=\"955\" data-end=\"1077\"\u003e\n\u003cp data-start=\"957\" data-end=\"1077\"\u003eOveruse (leak or over-injection) or underuse (blockage or pump failure) of DEF can indicate a problem with the module.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"7jyhsx\" data-start=\"1079\" data-end=\"1208\"\u003e\n\u003cp data-start=\"1082\" data-end=\"1114\"\u003e\u003cstrong data-start=\"1082\" data-end=\"1112\"\u003eStrange Noises from Module\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1118\" data-end=\"1208\"\u003e\n\u003cli data-section-id=\"5kzuwb\" data-start=\"1118\" data-end=\"1208\"\u003e\n\u003cp data-start=\"1120\" data-end=\"1208\"\u003eA failing pump inside the doser module may produce unusual buzzing or grinding sounds.\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-end=\"381\" data-start=\"0\"\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-end=\"628\" data-start=\"383\"\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":50575616213239,"sku":"4387304RXCUM","price":639.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0895\/7080\/3959\/files\/4387304_1_ee06eb3f-c492-4e84-a64a-2518dfc00619.jpg?v=1773434636","url":"https:\/\/forcetruckparts.com\/products\/4387304rxcum-genuine-cummins%c2%ae-doser-fluid-supply-module-2-2-12v-3-outlet","provider":"Force Truck Parts","version":"1.0","type":"link"}