{"title":"DEF Tanks | Truck Parts Planet","description":"\u003cp\u003eDEF Tanks are essential components of modern diesel emissions systems, storing diesel exhaust fluid used by the selective catalytic reduction system to help reduce nitrogen oxide emissions. At Truck Parts Planet, we offer dependable DEF storage components for medium- and heavy-duty commercial trucks used in professional repair, replacement, and emissions-system maintenance.\u003c\/p\u003e\n\n\u003cp\u003e\u003c\/p\u003e\n\n\u003cp\u003eOur collection may include complete DEF tank assemblies, reservoirs, caps, mounting brackets, straps, fittings, hoses, level sensors, heater-related components, and other parts used within the diesel exhaust fluid system. These components help store and deliver DEF properly while supporting reliable SCR system operation.\u003c\/p\u003e\n\n\u003cp\u003e\u003c\/p\u003e\n\n\u003cp\u003eCommercial trucks operate in demanding environments where diesel exhaust fluid systems are exposed to vibration, road debris, moisture, temperature changes, and continuous use. Over time, damaged or leaking DEF Tanks can contribute to fluid loss, warning lights, incorrect level readings, heater problems, emissions-system faults, or derate conditions. Replacing a failed tank or related component can help restore proper DEF storage and support normal aftertreatment system performance.\u003c\/p\u003e\n\n\u003cp\u003e\u003c\/p\u003e\n\n\u003cp\u003eTruck Parts Planet carries DEF system parts for many popular commercial truck makes and heavy-duty diesel engine platforms. Product listings include available OEM or manufacturer part numbers, specifications, capacity information, compatibility details, and clear product photos to help customers identify the correct replacement component before ordering.\u003c\/p\u003e\n\n\u003cp\u003e\u003c\/p\u003e\n\n\u003cp\u003eOur selection is suitable for owner-operators, fleet maintenance departments, diesel repair facilities, emissions specialists, and professional technicians servicing commercial vehicle aftertreatment systems. Many products are stocked in our USA warehouse for fast order processing and convenient nationwide shipping.\u003c\/p\u003e\n\n\u003cp\u003e\u003c\/p\u003e\n\n\u003cp\u003eBrowse DEF Tanks at Truck Parts Planet to find reliable replacement components for your commercial truck emissions system. If you are unsure about compatibility, contact us with your truck model, engine information, VIN, or existing part number, and our team can help you identify the appropriate tank or related component.\u003c\/p\u003e\n\n\u003cp\u003e\u003c\/p\u003e","products":[{"product_id":"1001228986s-genuine-oem-cummins-def-tank-header","title":"1001228986S | Genuine OEM Cummins DEF Tank with Header","description":"\u003cp data-pm-slice=\"1 1 []\"\u003e\u003cstrong\u003e\u003cspan\u003e1001228986S | Genuine OEM Cummins DEF Tank with Header\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe 1001228986S Genuine OEM Cummins DEF Tank with Header is a diesel exhaust fluid (DEF) storage and delivery system component designed for compatible emissions control applications. It stores DEF used by the selective catalytic reduction (SCR) system to help reduce nitrogen oxide (NOx) emissions from diesel engines. Verify the original part number and tank configuration before ordering to ensure compatibility.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePRODUCT INFORMATION\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePart Number: 1001228986S\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBrand: Cummins\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCondition: Genuine OEM\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eComponent: DEF Tank with Header\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eFuel Type: Diesel\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eEngine Applications: Compatible Cummins-powered diesel engine and aftertreatment system configurations (exact applications to be verified)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eOther important specifications: Diesel exhaust fluid storage tank with header assembly for compatible SCR emissions systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAPPLICATIONS\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe 1001228986S Cummins DEF Tank with Header is intended for compatible diesel vehicles and equipment equipped with a selective catalytic reduction (SCR) emissions system. Applications may vary depending on the vehicle model, engine configuration, emissions system, tank capacity, and production specifications. Confirm compatibility using the original part number and equipment details before purchase.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eFUNCTION\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe 1001228986S DEF Tank with Header stores diesel exhaust fluid and incorporates a header assembly used to monitor and support DEF system operation, depending on the specific configuration. DEF is supplied to the SCR aftertreatment system, where it helps reduce nitrogen oxide emissions in diesel exhaust. Proper operation of the DEF tank and header helps support emissions system performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA worn, damaged, or failing DEF Tank with Header may cause symptoms such as:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e• DEF leaks or visible fluid around the tank.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• DEF level readings that are inaccurate or inconsistent.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• DEF level or quality warning messages.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• SCR or aftertreatment system fault codes.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Emissions system warnings or dashboard alerts.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Engine power limitations associated with DEF system faults.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWHY REPLACE A DEF TANK WITH HEADER?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA damaged DEF tank or malfunctioning header assembly can interfere with DEF storage, monitoring, or delivery and may trigger aftertreatment system warnings. Depending on the vehicle, unresolved DEF system faults can lead to emissions-related performance limitations. Replacing a defective unit with a compatible 1001228986S Genuine OEM Cummins DEF Tank with Header can help restore proper DEF system operation and support the intended SCR emissions control function.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eFITMENT INFORMATION\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBefore purchasing Part Number 1001228986S, verify the original part number, VIN, vehicle model, engine model, engine serial number (ESN), DEF tank configuration, and aftertreatment system specifications. Tank capacity, connections, sensors, and header configurations may vary by application. Compare the existing assembly and relevant identification details with the 1001228986S DEF Tank with Header to help ensure compatibility.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIf you are unsure whether this part is correct for your vehicle, please contact us with your VIN and original part number. We are happy to help verify compatibility before purchase.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eGENUINE CUMMINS PART\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePart Number: 1001228986S\u003c\/span\u003e\u003c\/p\u003e","brand":"Cummins","offers":[{"title":"Default Title","offer_id":49916517187843,"sku":"1001228986S","price":2944.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0838\/9289\/6003\/files\/1001228986S_DEF_Tank_4.png?v=1792543756"},{"product_id":"1001233135-genuine-oem-cummins-def-tank-header","title":"1001233135 | Genuine OEM Cummins DEF Tank with Header","description":"\u003cp\u003e\u003cstrong\u003e1001233135 | Genuine OEM Cummins DEF Tank with Header\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e1001233135 is a Genuine OEM Cummins DEF Tank with Header designed for diesel exhaust fluid storage and supply in compatible exhaust aftertreatment systems. This component stores DEF used by the selective catalytic reduction (SCR) system and is intended for compatible applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePRODUCT INFORMATION\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePart Number: 1001233135\u003cbr\u003eBrand: Cummins\u003cbr\u003eCondition: New\u003cbr\u003eComponent: DEF Tank with Header\u003cbr\u003eFuel Type: Diesel\u003cbr\u003eEngine Applications: Not specified\u003cbr\u003eOther important specifications: Diesel Exhaust Fluid (DEF) storage tank with header\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAPPLICATIONS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 1001233135 DEF Tank with Header is intended for compatible diesel engine exhaust aftertreatment systems. Always verify the original part number and vehicle configuration before purchase.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFUNCTION\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 1001233135 DEF Tank with Header stores diesel exhaust fluid required by the selective catalytic reduction (SCR) system. Proper operation supports DEF supply to the emissions aftertreatment system.\u003c\/p\u003e\n\u003cp\u003eA worn, damaged, or failing DEF Tank with Header may cause symptoms such as:\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e• DEF leakage\u003cbr\u003e• Incorrect DEF level readings\u003cbr\u003e• DEF level warning messages\u003cbr\u003e• DEF supply issues\u003cbr\u003e• SCR system warning messages\u003cbr\u003e• Emissions system fault codes\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWHY REPLACE A DEF TANK WITH HEADER?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA faulty DEF Tank with Header can affect DEF storage and supply required by the vehicle's emissions aftertreatment system. Replacing a worn or damaged 1001233135 with the correct Genuine OEM Cummins component can help restore proper DEF storage and support reliable emissions system operation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFITMENT INFORMATION\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBefore purchasing the 1001233135, verify the Part Number, VIN, vehicle model, engine, and configuration to help confirm compatibility.\u003c\/p\u003e\n\u003cp\u003eIf you are unsure whether this part is correct for your vehicle, please contact us with your VIN and original part number. We are happy to help verify compatibility before purchase.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGENUINE CUMMINS PART\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePart Number: 1001233135\u003c\/p\u003e","brand":"Cummins","offers":[{"title":"Default Title","offer_id":49923312451843,"sku":"1001233135","price":2944.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0838\/9289\/6003\/files\/1001233135_DEF_Tank_1.png?v=1792617004"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0838\/9289\/6003\/collections\/ChatGPT_Image_Sep_22_2026_09_05_52_PM.png?v=1790182664","url":"https:\/\/truckpartsplanet.com\/es\/collections\/def-tanks.oembed","provider":"TRUCK PARTS PLANET","version":"1.0","type":"link"}