{"product_id":"4214372c93-genuine-international®-def-tank-7-gal-without-sensor-qls-25-5l","title":"4214372C93 | Genuine International® Def Tank 7 Gal Without Sensor QLS 25.5L","description":"\u003cp\u003e\u003cstrong\u003eDescription:\u003cbr\u003e\u003c\/strong\u003eThe DEF tank\u003cstrong\u003e 4214372C93 \u003c\/strong\u003estores Diesel Exhaust Fluid, which the truck uses to clean up exhaust emissions after combustion.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e: 4214372C93\u003cbr\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003cspan\u003e: New\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eManufacture\/Brand\u003c\/strong\u003e\u003cspan\u003e: International\u003cbr\u003e\u003c\/span\u003e\u003cstrong data-end=\"176\" data-start=\"160\"\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003cstrong\u003eFits 4214372C93 \u003c\/strong\u003eFor \u003cspan\u003eNavistar \/ International\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cb\u003eEngines: \u003c\/b\u003eCummins QLS\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul class=\"nav catalog\" id=\"catalogModels\"\u003e\u003c\/ul\u003e\n\u003cp data-end=\"353\" data-start=\"160\"\u003e\u003cstrong\u003ePurpose of using 4214372C93:\u003c\/strong\u003e\u003cstrong data-end=\"597\" data-start=\"585\"\u003e\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=\"165\" data-end=\"272\"\u003eThe purpose of using a DEF tank in a truck is to reduce harmful exhaust emissions so the truck can:\u003c\/p\u003e\n\u003cul data-start=\"273\" data-end=\"404\"\u003e\n\u003cli data-start=\"273\" data-end=\"309\"\u003e\n\u003cp data-start=\"275\" data-end=\"309\"\u003eMeet government emissions laws\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"310\" data-end=\"348\"\u003e\n\u003cp data-start=\"312\" data-end=\"348\"\u003eRun cleaner and more efficiently\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"349\" data-end=\"404\"\u003e\n\u003cp data-start=\"351\" data-end=\"404\"\u003eAvoid heavy fines, shutdowns, or restricted operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"406\" data-end=\"481\"\u003eWithout a DEF system, most modern diesel trucks cannot legally operate.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp data-end=\"353\" data-start=\"160\"\u003e\u003cstrong data-end=\"597\" data-start=\"585\"\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSigns of a Bad DEF Tank 4214372C93:\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=\"193\" data-start=\"150\"\u003e\u003cstrong\u003eDashboard warning signs (first clues)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"250\" data-start=\"194\"\u003eThese usually show up \u003cstrong data-end=\"226\" data-start=\"216\"\u003ebefore\u003c\/strong\u003e the truck limits power:\u003c\/p\u003e\n\u003cul data-end=\"490\" data-start=\"252\"\u003e\n\u003cli data-end=\"294\" data-start=\"252\"\u003e\n\u003cp data-end=\"294\" data-start=\"254\"\u003e\u003cstrong data-end=\"273\" data-start=\"254\"\u003e“DEF Level Low”\u003c\/strong\u003e (even after filling)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"319\" data-start=\"295\"\u003e\n\u003cp data-end=\"319\" data-start=\"297\"\u003e\u003cstrong data-end=\"319\" data-start=\"297\"\u003e“Poor DEF Quality”\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"346\" data-start=\"320\"\u003e\n\u003cp data-end=\"346\" data-start=\"322\"\u003e\u003cstrong data-end=\"346\" data-start=\"322\"\u003e“Service DEF System”\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"393\" data-start=\"347\"\u003e\n\u003cp data-end=\"393\" data-start=\"349\"\u003e\u003cstrong data-end=\"371\" data-start=\"349\"\u003eCheck Engine Light\u003c\/strong\u003e tied to DEF\/SCR codes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"490\" data-start=\"394\"\u003e\n\u003cp data-end=\"424\" data-start=\"396\"\u003e\u003cstrong data-end=\"418\" data-start=\"396\"\u003eCountdown messages\u003c\/strong\u003e like:\u003c\/p\u003e\n\u003cul data-end=\"490\" data-start=\"427\"\u003e\n\u003cli data-end=\"460\" data-start=\"427\"\u003e\n\u003cp data-end=\"460\" data-start=\"429\"\u003e“200 miles until speed limited”\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"490\" data-start=\"463\"\u003e\n\u003cp data-end=\"490\" data-start=\"465\"\u003e“No restart in ___ miles”\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"550\" data-start=\"492\"\u003e If warnings stay on after refilling, that’s a red flag.\u003c\/p\u003e\n\u003cp data-end=\"589\" data-start=\"557\"\u003e\u003cstrong\u003eEngine derate \/ power loss\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"625\" data-start=\"590\"\u003eA bad DEF tank or sensor can cause:\u003c\/p\u003e\n\u003cul data-end=\"758\" data-start=\"626\"\u003e\n\u003cli data-end=\"646\" data-start=\"626\"\u003e\n\u003cp data-end=\"646\" data-start=\"628\"\u003eReduced horsepower\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"670\" data-start=\"647\"\u003e\n\u003cp data-end=\"670\" data-start=\"649\"\u003eSluggish acceleration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"715\" data-start=\"671\"\u003e\n\u003cp data-end=\"715\" data-start=\"673\"\u003eSpeed limited to 55, 25, or even \u003cstrong data-end=\"715\" data-start=\"706\"\u003e5 mph\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"758\" data-start=\"716\"\u003e\n\u003cp data-end=\"758\" data-start=\"718\"\u003eTruck refusing to restart after shutdown\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"817\" data-start=\"760\"\u003eThis happens even if the engine itself is perfectly fine.\u003c\/p\u003e\n\u003cp data-end=\"862\" data-start=\"824\"\u003e\u003cstrong\u003eFalse DEF readings (very common)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"888\" data-start=\"863\"\u003eBad DEF tank sensors can:\u003c\/p\u003e\n\u003cul data-end=\"999\" data-start=\"889\"\u003e\n\u003cli data-end=\"915\" data-start=\"889\"\u003e\n\u003cp data-end=\"915\" data-start=\"891\"\u003eShow \u003cstrong data-end=\"915\" data-start=\"896\"\u003eempty when full\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"938\" data-start=\"916\"\u003e\n\u003cp data-end=\"938\" data-start=\"918\"\u003eJump around randomly\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"959\" data-start=\"939\"\u003e\n\u003cp data-end=\"959\" data-start=\"941\"\u003eStick at one level\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"999\" data-start=\"960\"\u003e\n\u003cp data-end=\"999\" data-start=\"962\"\u003eTrigger “poor quality” with fresh DEF\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1054\" data-start=\"1001\"\u003eThis is one of the \u003cstrong data-end=\"1053\" data-start=\"1020\"\u003emost common DEF tank failures\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-end=\"1088\" data-start=\"1061\"\u003e\u003cstrong\u003eCold-weather problems\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"1118\" data-start=\"1089\"\u003eIf the DEF tank heater fails:\u003c\/p\u003e\n\u003cul data-end=\"1243\" data-start=\"1119\"\u003e\n\u003cli data-end=\"1146\" data-start=\"1119\"\u003e\n\u003cp data-end=\"1146\" data-start=\"1121\"\u003eDEF stays frozen too long\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1185\" data-start=\"1147\"\u003e\n\u003cp data-end=\"1185\" data-start=\"1149\"\u003eWarning lights stay on after startup\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1215\" data-start=\"1186\"\u003e\n\u003cp data-end=\"1215\" data-start=\"1188\"\u003eTruck derates in cold temps\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1243\" data-start=\"1216\"\u003e\n\u003cp data-end=\"1243\" data-start=\"1218\"\u003eHeater fault codes appear\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1310\" data-start=\"1245\"\u003eDEF is supposed to thaw within minutes—if not, something’s wrong.\u003c\/p\u003e\n\u003cp data-end=\"1351\" data-start=\"1317\"\u003e\u003cstrong\u003eDEF leaks or crystallization\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"1361\" data-start=\"1352\"\u003eLook for:\u003c\/p\u003e\n\u003cul data-end=\"1483\" data-start=\"1362\"\u003e\n\u003cli data-end=\"1417\" data-start=\"1362\"\u003e\n\u003cp data-end=\"1417\" data-start=\"1364\"\u003eWhite, chalky residue around tank, lines, or injector\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1440\" data-start=\"1418\"\u003e\n\u003cp data-end=\"1440\" data-start=\"1420\"\u003eStrong ammonia smell\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1483\" data-start=\"1441\"\u003e\n\u003cp data-end=\"1483\" data-start=\"1443\"\u003eWet spots under the truck (clear liquid)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1506\" data-start=\"1485\"\u003eCrystallized DEF can:\u003c\/p\u003e\n\u003cul data-end=\"1553\" data-start=\"1507\"\u003e\n\u003cli data-end=\"1520\" data-start=\"1507\"\u003e\n\u003cp data-end=\"1520\" data-start=\"1509\"\u003eBlock lines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1535\" data-start=\"1521\"\u003e\n\u003cp data-end=\"1535\" data-start=\"1523\"\u003eKill sensors\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1553\" data-start=\"1536\"\u003e\n\u003cp data-end=\"1553\" data-start=\"1538\"\u003eDamage the pump\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1599\" data-start=\"1560\"\u003e\u003cstrong\u003eTrouble codes related to DEF tank\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"1619\" data-start=\"1600\"\u003eCommon fault areas:\u003c\/p\u003e\n\u003cul data-end=\"1713\" data-start=\"1620\"\u003e\n\u003cli data-end=\"1638\" data-start=\"1620\"\u003e\n\u003cp data-end=\"1638\" data-start=\"1622\"\u003eDEF level sensor\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1655\" data-start=\"1639\"\u003e\n\u003cp data-end=\"1655\" data-start=\"1641\"\u003eQuality sensor\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1676\" data-start=\"1656\"\u003e\n\u003cp data-end=\"1676\" data-start=\"1658\"\u003eTemperature sensor\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1690\" data-start=\"1677\"\u003e\n\u003cp data-end=\"1690\" data-start=\"1679\"\u003eTank heater\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1713\" data-start=\"1691\"\u003e\n\u003cp data-end=\"1713\" data-start=\"1693\"\u003eDEF pump inside tank\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1768\" data-start=\"1715\"\u003eEven one failed sensor can trigger a \u003cstrong data-end=\"1767\" data-start=\"1752\"\u003efull derate\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-end=\"1823\" data-start=\"1775\"\u003e\u003cstrong\u003ePoor DEF quality warning (when DEF is fine)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"1843\" data-start=\"1824\"\u003eThis usually means:\u003c\/p\u003e\n\u003cul data-end=\"1938\" data-start=\"1844\"\u003e\n\u003cli data-end=\"1864\" data-start=\"1844\"\u003e\n\u003cp data-end=\"1864\" data-start=\"1846\"\u003eBad quality sensor\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1904\" data-start=\"1865\"\u003e\n\u003cp data-end=\"1904\" data-start=\"1867\"\u003eContaminated tank (fuel, water, dirt)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1938\" data-start=\"1905\"\u003e\n\u003cp data-end=\"1938\" data-start=\"1907\"\u003eDEF concentration reading wrong\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"2008\" data-start=\"1940\"\u003eFresh DEF + warning still on = \u003cstrong data-end=\"1992\" data-start=\"1971\"\u003etank\/sensor issue\u003c\/strong\u003e, not the fluid.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp data-end=\"476\" data-start=\"97\"\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eAbout the Manufacturer – \u003c\/span\u003e\u003c\/strong\u003e\u003cstrong data-end=\"151\" data-start=\"97\"\u003eInternational \/ Navistar:\u003c\/strong\u003e\u003cbr data-end=\"154\" data-start=\"151\"\u003eInternational, a brand of \u003cstrong data-end=\"218\" data-start=\"180\"\u003eNavistar International Corporation\u003c\/strong\u003e, is a leading American manufacturer of commercial trucks, buses, and diesel engines. With a history dating back to the early 1900s, International is known for producing durable and reliable vehicles used in freight, construction, and municipal operations.\u003c\/p\u003e\n\u003cp data-end=\"707\" data-start=\"478\"\u003eNavistar has built a strong reputation in the trucking industry by focusing on innovation, performance, and long-term dependability. Their vehicles and components are trusted by fleets and drivers across North America and beyond.\u003c\/p\u003e","brand":"International","offers":[{"title":"Default Title","offer_id":50478231257335,"sku":"4214372C93","price":499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0895\/7080\/3959\/files\/photo_2026-02-06_04-09-40_6.jpg?v=1770396086","url":"https:\/\/forcetruckparts.com\/products\/4214372c93-genuine-international%c2%ae-def-tank-7-gal-without-sensor-qls-25-5l","provider":"Force Truck Parts","version":"1.0","type":"link"}