{"product_id":"a061l203-genuine-cummins®-def-doser-injector-scr-2-2-for-epa17-6-7-l-isb-qsb","title":"A061L203 | Genuine Cummins® DEF Doser Injector SCR 2.2 For EPA17 6.7 L ISB\/QSB","description":"\u003cp\u003e\u003cstrong\u003eDescription:\u003cbr\u003e\u003c\/strong\u003eA DEF Doser Injector \u003cstrong\u003eA061L203 \u003c\/strong\u003e(also called a DEF injector or dosing valve) is the component that sprays Diesel Exhaust Fluid (DEF) into the exhaust stream as part of the SCR (Selective Catalytic Reduction) system.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e: A061L203\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\u003c\/span\u003e\u003cstrong data-start=\"160\" data-end=\"176\"\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003cstrong\u003eFits A061L203 \u003c\/strong\u003eFor EPA17 6.7 L ISB\/QSB\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 A061L203:\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp data-end=\"338\" data-start=\"302\"\u003e\u003cstrong\u003e1. Reduces harmful NOx emissions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"493\" data-start=\"339\"\u003e\n\u003cli data-end=\"374\" data-start=\"339\"\u003e\n\u003cp data-end=\"374\" data-start=\"341\"\u003eSprays DEF into hot exhaust gases\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"409\" data-start=\"375\"\u003e\n\u003cp data-end=\"409\" data-start=\"377\"\u003eDEF breaks down into \u003cstrong data-end=\"409\" data-start=\"398\"\u003eammonia\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"450\" data-start=\"410\"\u003e\n\u003cp data-end=\"450\" data-start=\"412\"\u003eAmmonia reacts in the \u003cstrong data-end=\"450\" data-start=\"434\"\u003eSCR catalyst\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"493\" data-start=\"451\"\u003e\n\u003cp data-end=\"493\" data-start=\"453\"\u003eConverts \u003cstrong data-end=\"493\" data-start=\"462\"\u003eNOx into nitrogen and water\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"582\" data-start=\"495\"\u003e\u003cstrong data-end=\"514\" data-start=\"495\"\u003eWhy it matters:\u003c\/strong\u003e\u003cbr data-end=\"517\" data-start=\"514\"\u003eNOx emissions are harmful and tightly regulated by EPA standards.\u003c\/p\u003e\n\u003cp data-end=\"624\" data-start=\"589\"\u003e\u003cstrong\u003e2. Enables SCR system operation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"727\" data-start=\"625\"\u003e\n\u003cli data-end=\"683\" data-start=\"625\"\u003e\n\u003cp data-end=\"683\" data-start=\"627\"\u003eActs as the \u003cstrong data-end=\"657\" data-start=\"639\"\u003edelivery point\u003c\/strong\u003e for DEF in the SCR system\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"727\" data-start=\"684\"\u003e\n\u003cp data-end=\"727\" data-start=\"686\"\u003eWorks with the DEF pump, sensors, and ECM\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"805\" data-start=\"729\"\u003e\u003cstrong data-end=\"748\" data-start=\"729\"\u003eWhy it matters:\u003c\/strong\u003e\u003cbr data-end=\"751\" data-start=\"748\"\u003eWithout proper dosing, the SCR system cannot function.\u003c\/p\u003e\n\u003cp data-end=\"854\" data-start=\"812\"\u003e\u003cstrong\u003e3. Prevents engine derate and shutdown\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"945\" data-start=\"855\"\u003e\n\u003cli data-end=\"893\" data-start=\"855\"\u003e\n\u003cp data-end=\"893\" data-start=\"857\"\u003eEnsures emissions stay within limits\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"945\" data-start=\"894\"\u003e\n\u003cp data-end=\"945\" data-start=\"896\"\u003eAvoids warning countdowns and reduced power modes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1027\" data-start=\"947\"\u003e\u003cstrong data-end=\"966\" data-start=\"947\"\u003eWhy it matters:\u003c\/strong\u003e\u003cbr data-end=\"969\" data-start=\"966\"\u003eKeeps the truck running at full power and avoids downtime.\u003c\/p\u003e\n\u003cp data-end=\"1070\" data-start=\"1034\"\u003e\u003cstrong\u003e4. Improves emissions efficiency\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"1167\" data-start=\"1071\"\u003e\n\u003cli data-end=\"1128\" data-start=\"1071\"\u003e\n\u003cp data-end=\"1128\" data-start=\"1073\"\u003eInjects \u003cstrong data-end=\"1100\" data-start=\"1081\"\u003eprecise amounts\u003c\/strong\u003e of DEF based on engine load\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1167\" data-start=\"1129\"\u003e\n\u003cp data-end=\"1167\" data-start=\"1131\"\u003ePrevents over-dosing or under-dosing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1261\" data-start=\"1169\"\u003e\u003cstrong data-end=\"1188\" data-start=\"1169\"\u003eWhy it matters:\u003c\/strong\u003e\u003cbr data-end=\"1191\" data-start=\"1188\"\u003eProper dosing protects the SCR catalyst and optimizes DEF consumption.\u003c\/p\u003e\n\u003cp data-end=\"1319\" data-start=\"1268\"\u003e\u003cstrong\u003e5. Maintains legal and environmental compliance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"1399\" data-start=\"1320\"\u003e\n\u003cli data-end=\"1363\" data-start=\"1320\"\u003e\n\u003cp data-end=\"1363\" data-start=\"1322\"\u003eRequired for EPA and emissions compliance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1399\" data-start=\"1364\"\u003e\n\u003cp data-end=\"1399\" data-start=\"1366\"\u003eEssential for passing inspections\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1492\" data-start=\"1401\"\u003e\u003cstrong data-end=\"1420\" data-start=\"1401\"\u003eWhy it matters:\u003c\/strong\u003e\u003cbr data-end=\"1423\" data-start=\"1420\"\u003eOperating without it can lead to fines and out-of-service violations.\u003c\/p\u003e\n\u003cp data-end=\"1533\" data-start=\"1499\"\u003e\u003cstrong\u003e6. Protects exhaust components\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"1628\" data-start=\"1534\"\u003e\n\u003cli data-end=\"1586\" data-start=\"1534\"\u003e\n\u003cp data-end=\"1586\" data-start=\"1536\"\u003eCorrect spray pattern prevents DEF crystallization\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1628\" data-start=\"1587\"\u003e\n\u003cp data-end=\"1628\" data-start=\"1589\"\u003eReduces buildup and clogging in exhaust\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1704\" data-start=\"1630\"\u003e\u003cstrong data-end=\"1649\" data-start=\"1630\"\u003eWhy it matters:\u003c\/strong\u003e\u003cbr data-end=\"1652\" data-start=\"1649\"\u003eExtends life of the SCR catalyst and exhaust system.\u003c\/p\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 a Bad DEF Doser Injector A061L203:\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp data-start=\"257\" data-end=\"285\"\u003e\u003cstrong\u003e1. SCR \/ DEF fault codes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"286\" data-end=\"435\"\u003e\n\u003cli data-start=\"286\" data-end=\"309\"\u003e\n\u003cp data-start=\"288\" data-end=\"309\"\u003eCheck Engine Light on\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"310\" data-end=\"435\"\u003e\n\u003cp data-start=\"312\" data-end=\"435\"\u003eSCR efficiency or NOx conversion codes\u003cbr data-start=\"350\" data-end=\"353\"\u003e\u003cstrong data-start=\"353\" data-end=\"361\"\u003eWhy:\u003c\/strong\u003e DEF isn’t being injected correctly (too much, too little, or not at all).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"442\" data-end=\"482\"\u003e\u003cstrong\u003e2. Engine derate or speed limitation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"483\" data-end=\"573\"\u003e\n\u003cli data-start=\"483\" data-end=\"498\"\u003e\n\u003cp data-start=\"485\" data-end=\"498\"\u003ePower reduced\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"499\" data-end=\"573\"\u003e\n\u003cp data-start=\"501\" data-end=\"573\"\u003eCountdown to shutdown\u003cbr data-start=\"522\" data-end=\"525\"\u003e\u003cstrong data-start=\"525\" data-end=\"533\"\u003eWhy:\u003c\/strong\u003e Emissions system can’t meet EPA limits.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"580\" data-end=\"623\"\u003e\u003cstrong\u003e3. White crystals or buildup at exhaust\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"624\" data-end=\"749\"\u003e\n\u003cli data-start=\"624\" data-end=\"749\"\u003e\n\u003cp data-start=\"626\" data-end=\"749\"\u003eChalky white residue near injector or pipe\u003cbr data-start=\"668\" data-end=\"671\"\u003e\u003cstrong data-start=\"671\" data-end=\"679\"\u003eWhy:\u003c\/strong\u003e DEF leaking, dripping, or poor spray pattern causing crystallization.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"756\" data-end=\"788\"\u003e\u003cstrong\u003e4. Excessive DEF consumption\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"789\" data-end=\"872\"\u003e\n\u003cli data-start=\"789\" data-end=\"872\"\u003e\n\u003cp data-start=\"791\" data-end=\"872\"\u003eDEF level drops faster than normal\u003cbr data-start=\"825\" data-end=\"828\"\u003e\u003cstrong data-start=\"828\" data-end=\"836\"\u003eWhy:\u003c\/strong\u003e Injector stuck open or over-dosing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"879\" data-end=\"923\"\u003e\u003cstrong\u003e5. Strong ammonia or sharp exhaust smell\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"924\" data-end=\"1007\"\u003e\n\u003cli data-start=\"924\" data-end=\"1007\"\u003e\n\u003cp data-start=\"926\" data-end=\"1007\"\u003eNoticeable DEF\/ammonia odor\u003cbr data-start=\"953\" data-end=\"956\"\u003e\u003cstrong data-start=\"956\" data-end=\"964\"\u003eWhy:\u003c\/strong\u003e Over-injection or incomplete SCR reaction.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1014\" data-end=\"1049\"\u003e\u003cstrong\u003e6. Poor NOx efficiency readings\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1050\" data-end=\"1137\"\u003e\n\u003cli data-start=\"1050\" data-end=\"1137\"\u003e\n\u003cp data-start=\"1052\" data-end=\"1137\"\u003eNOx sensor codes upstream\/downstream\u003cbr data-start=\"1088\" data-end=\"1091\"\u003e\u003cstrong data-start=\"1091\" data-end=\"1099\"\u003eWhy:\u003c\/strong\u003e DEF not atomizing or mixing properly.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1144\" data-end=\"1186\"\u003e\u003cstrong\u003e7. Injector not clicking or responding\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1187\" data-end=\"1266\"\u003e\n\u003cli data-start=\"1187\" data-end=\"1266\"\u003e\n\u003cp data-start=\"1189\" data-end=\"1266\"\u003eNo audible click during test\u003cbr data-start=\"1217\" data-end=\"1220\"\u003e\u003cstrong data-start=\"1220\" data-end=\"1228\"\u003eWhy:\u003c\/strong\u003e Electrical failure or stuck injector.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1273\" data-end=\"1308\"\u003e\u003cstrong\u003e8. Clogged or sticking injector\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1309\" data-end=\"1434\"\u003e\n\u003cli data-start=\"1309\" data-end=\"1330\"\u003e\n\u003cp data-start=\"1311\" data-end=\"1330\"\u003eIntermittent faults\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1331\" data-end=\"1434\"\u003e\n\u003cp data-start=\"1333\" data-end=\"1434\"\u003eWorks after regen or long drive, then fails again\u003cbr data-start=\"1382\" data-end=\"1385\"\u003e\u003cstrong data-start=\"1385\" data-end=\"1393\"\u003eWhy:\u003c\/strong\u003e DEF crystallization inside injector tip.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1441\" data-end=\"1483\"\u003e\u003cstrong\u003e9. Rough exhaust flow or visible vapor\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1484\" data-end=\"1564\"\u003e\n\u003cli data-start=\"1484\" data-end=\"1564\"\u003e\n\u003cp data-start=\"1486\" data-end=\"1564\"\u003eWhite vapor from exhaust (not smoke)\u003cbr data-start=\"1522\" data-end=\"1525\"\u003e\u003cstrong data-start=\"1525\" data-end=\"1533\"\u003eWhy:\u003c\/strong\u003e Unburned DEF entering exhaust.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1571\" data-end=\"1610\"\u003e\u003cstrong\u003e10. Won’t pass emissions inspection\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1611\" data-end=\"1676\"\u003e\n\u003cli data-start=\"1611\" data-end=\"1676\"\u003e\n\u003cp data-start=\"1613\" data-end=\"1676\"\u003eHigh NOx readings\u003cbr data-start=\"1630\" data-end=\"1633\"\u003e\u003cstrong data-start=\"1633\" data-end=\"1641\"\u003eWhy:\u003c\/strong\u003e DEF not being delivered correctly.\u003c\/p\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":50572151947511,"sku":"A061L203","price":589.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0895\/7080\/3959\/files\/IMG_8542-Photoroom_feb36a80-f5ea-4150-8ff9-28b7c58d84a9.webp?v=1770160882","url":"https:\/\/forcetruckparts.com\/products\/a061l203-genuine-cummins%c2%ae-def-doser-injector-scr-2-2-for-epa17-6-7-l-isb-qsb","provider":"Force Truck Parts","version":"1.0","type":"link"}