{"product_id":"4099791c91-genuine-international®-def-tank-15-gal","title":"4099791C91 | Genuine International® Def Tank 15 Gal","description":"\u003cp\u003e\u003cstrong\u003eDescription:\u003cbr\u003e\u003c\/strong\u003eA DEF tank\u003cstrong\u003e 4099791C91 \u003c\/strong\u003eis part of a diesel vehicle’s emissions-control system. Its only job is to hold Diesel Exhaust Fluid (DEF) so the engine can run cleaner and meet emissions laws. DEF Tank 15 Gallon for International medium- and heavy-duty trucks.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e: 4099791C91\u003cbr\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003cspan\u003e: New\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eManufacture\/Brand\u003c\/strong\u003e\u003cspan\u003e: International\u003c\/span\u003e\u003cbr\u003e\u003cstrong\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\u003eFits 4099791C91 for\u003c\/strong\u003e certain International medium- and heavy-duty trucks\u003c\/p\u003e\n\u003ctable width=\"538\" height=\"83\" style=\"width: 96.2242%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 100%;\"\u003e \n\u003cul\u003e\n\u003cli data-section-id=\"wlg39x\" data-start=\"723\" data-end=\"762\"\u003e\n\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eInternational LT Series\u003c\/span\u003e\u003c\/span\u003e\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1etlrsl\" data-start=\"763\" data-end=\"802\"\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eInternational RH Series\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"1fetjdh\" data-start=\"803\" data-end=\"842\"\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eInternational HV Series\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"16uh11\" data-start=\"843\" data-end=\"882\"\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eInternational MV Series\u003c\/span\u003e\u003c\/span\u003e\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\u003cbr\u003ePurpose of using 4099791C91:\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-end=\"241\" data-start=\"52\"\u003e\n\u003cp data-end=\"241\" data-start=\"55\"\u003e\u003cstrong data-end=\"94\" data-start=\"55\"\u003eTo reduce harmful exhaust emissions\u003c\/strong\u003e\u003cbr data-end=\"97\" data-start=\"94\"\u003eThe DEF tank supplies Diesel Exhaust Fluid that helps convert nitrogen oxides (NOx) in diesel exhaust into harmless nitrogen and water vapor.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"413\" data-start=\"243\"\u003e\n\u003cp data-end=\"413\" data-start=\"246\"\u003e\u003cstrong data-end=\"289\" data-start=\"246\"\u003eTo meet government emission regulations\u003c\/strong\u003e\u003cbr data-end=\"292\" data-start=\"289\"\u003eDEF allows diesel vehicles to comply with strict environmental laws (EPA, Euro standards) and remain legal to operate.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"597\" data-start=\"415\"\u003e\n\u003cp data-end=\"597\" data-start=\"418\"\u003e\u003cstrong data-end=\"467\" data-start=\"418\"\u003eTo maintain engine performance and efficiency\u003c\/strong\u003e\u003cbr data-end=\"470\" data-start=\"467\"\u003eBy cleaning emissions after combustion, DEF lets the engine run at higher efficiency and power without increasing pollution.\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=\"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 Tank 4099791C91:\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width: 100.036%;\" width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 100%;\"\u003e\n\u003cul\u003e\n\u003cli data-start=\"145\" data-end=\"286\"\u003e\n\u003cp data-start=\"148\" data-end=\"286\"\u003e\u003cstrong data-start=\"148\" data-end=\"178\"\u003eDEF warning light stays on\u003c\/strong\u003e\u003cbr data-start=\"178\" data-end=\"181\"\u003eEven after filling DEF, the warning doesn’t go away. This often points to a bad tank sensor or heater.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"288\" data-end=\"410\"\u003e\n\u003cp data-start=\"291\" data-end=\"410\"\u003e\u003cstrong data-start=\"291\" data-end=\"339\"\u003e“Low DEF” or “Incorrect DEF quality” message\u003c\/strong\u003e\u003cbr data-start=\"339\" data-end=\"342\"\u003eThe tank may not be reading the fluid level or quality correctly.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"412\" data-end=\"529\"\u003e\n\u003cp data-start=\"415\" data-end=\"529\"\u003e\u003cstrong data-start=\"415\" data-end=\"455\"\u003eEngine power reduction (derate mode)\u003c\/strong\u003e\u003cbr data-start=\"455\" data-end=\"458\"\u003eThe vehicle limits speed or power to force repair of the DEF system.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"531\" data-end=\"653\"\u003e\n\u003cp data-start=\"534\" data-end=\"653\"\u003e\u003cstrong data-start=\"534\" data-end=\"568\"\u003eVehicle won’t start or restart\u003c\/strong\u003e\u003cbr data-start=\"568\" data-end=\"571\"\u003eMany diesel vehicles will lock out starting if the DEF system fails completely.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"655\" data-end=\"787\"\u003e\n\u003cp data-start=\"658\" data-end=\"787\"\u003e\u003cstrong data-start=\"658\" data-end=\"690\"\u003eDEF level gauge not changing\u003c\/strong\u003e\u003cbr data-start=\"690\" data-end=\"693\"\u003eThe gauge stays full or empty all the time — usually a faulty level sensor inside the tank.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"789\" data-end=\"899\"\u003e\n\u003cp data-start=\"792\" data-end=\"899\"\u003e\u003cstrong data-start=\"792\" data-end=\"835\"\u003eCheck engine light related to emissions\u003c\/strong\u003e\u003cbr data-start=\"835\" data-end=\"838\"\u003eTrouble codes linked to SCR, DEF heater, pump, or sensors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"901\" data-end=\"1009\"\u003e\n\u003cp data-start=\"904\" data-end=\"1009\"\u003e\u003cstrong data-start=\"904\" data-end=\"930\"\u003eFrozen DEF not thawing\u003c\/strong\u003e\u003cbr data-start=\"930\" data-end=\"933\"\u003eIf DEF stays frozen too long in cold weather, the tank heater may be bad.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1011\" data-end=\"1136\"\u003e\n\u003cp data-start=\"1014\" data-end=\"1136\"\u003e\u003cstrong data-start=\"1014\" data-end=\"1053\"\u003eDEF leaking or crystallized residue\u003c\/strong\u003e\u003cbr data-start=\"1053\" data-end=\"1056\"\u003eWhite crust around the tank or lines indicates leaks or internal tank damage.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1138\" data-end=\"1225\"\u003e\n\u003cp data-start=\"1141\" data-end=\"1225\"\u003e\u003cstrong data-start=\"1141\" data-end=\"1179\"\u003eStrong ammonia smell near the tank\u003c\/strong\u003e\u003cbr data-start=\"1179\" data-end=\"1182\"\u003eCan indicate a leak or cracked DEF tank.\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\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":50894447968503,"sku":"4099791C91","price":675.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0895\/7080\/3959\/files\/mhgmg_462x339_f9bb36e7-1e11-4eb4-ae38-acdc328550b3.webp?v=1782527126","url":"https:\/\/forcetruckparts.com\/products\/4099791c91-genuine-international%c2%ae-def-tank-15-gal","provider":"Force Truck Parts","version":"1.0","type":"link"}