{"title":"Emissions DEF | Truck Parts Planet","description":"\u003cp\u003eEmissions DEF components are essential parts of modern diesel aftertreatment systems, helping control nitrogen oxide emissions and support proper operation of selective catalytic reduction systems. At Truck Parts Planet, we offer dependable DEF and emissions-related components for medium- and heavy-duty commercial trucks used in repair, replacement, diagnostics, and maintenance applications.\u003c\/p\u003e\n\n\u003cp\u003e\u003c\/p\u003e\n\n\u003cp\u003eOur collection may include DEF pumps, DEF injectors, DEF headers, DEF tanks, NOx sensors, SCR catalysts, DPF components, exhaust temperature sensors, pressure sensors, dosing modules, hoses, connectors, clamps, and other related aftertreatment parts. These components work together to manage diesel exhaust fluid delivery, monitor exhaust conditions, and support proper emissions-system performance.\u003c\/p\u003e\n\n\u003cp\u003e\u003c\/p\u003e\n\n\u003cp\u003eCommercial diesel trucks operate under demanding conditions where aftertreatment components are exposed to extreme heat, vibration, soot, moisture, crystallized DEF deposits, and continuous thermal cycling. Over time, damaged or malfunctioning Emissions DEF components can contribute to warning lights, incorrect sensor readings, poor DEF dosing, failed regeneration cycles, SCR efficiency faults, diagnostic trouble codes, or engine derate conditions. Replacing failed components can help restore proper system function and support normal truck operation.\u003c\/p\u003e\n\n\u003cp\u003e\u003c\/p\u003e\n\n\u003cp\u003eTruck Parts Planet carries DEF and emissions parts for many popular commercial truck makes and heavy-duty diesel engine platforms. Product listings include available OEM or manufacturer part numbers, specifications, connector details, compatibility information, and clear product photos to help customers identify the correct replacement 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 Emissions DEF parts at Truck Parts Planet to find reliable replacement components for your commercial truck. 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 component.\u003c\/p\u003e\n\n\u003cp\u003e\u003c\/p\u003e","products":[{"product_id":"2515991c1-genuine-oem-international-navistar-15-gallon-def-qls-sensor-head-unit","title":"2515991C1 | Genuine OEM International 15 Gallon DEF Sensor QLS Head","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003e2515991C1 | Genuine OEM International\/Navistar 15 Gallon DEF QLS Sensor Head Unit\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe 2515991C1 DEF Tank QLS 1% SSI Sensor Head Unit is a Genuine OEM International\/Navistar component designed for compatible 15-gallon Diesel Exhaust Fluid (DEF) tank systems. It monitors DEF tank conditions and provides sensor information to the vehicle's emissions and SCR system.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003ePRODUCT INFORMATION\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003ePart Number:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 2515991C1\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eBrand:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e International\/Navistar\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eCondition:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e New\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eComponent:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e DEF Tank QLS Sensor Head Unit\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eSensor Type:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e QLS 1% SSI Sensor\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eDEF Tank Capacity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 15 Gallons\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eSystem:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Diesel Exhaust Fluid \/ SCR\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eApplication:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Heavy-duty commercial trucks\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eAPPLICATIONS\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eDesigned for selected International\/Navistar truck applications using a compatible 15-gallon DEF tank and QLS sensor configuration. Exact fitment varies by vehicle model, engine, DEF tank configuration, and original equipment specifications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eFUNCTION\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe DEF tank sensor head unit monitors DEF level and related tank conditions and communicates this information to the vehicle control system. Proper sensor operation supports accurate DEF monitoring and SCR emissions system operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eA worn, damaged, or failing DEF TANK SENSOR HEAD UNIT may cause symptoms such as:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eIncorrect DEF level readings\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDEF warning messages\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDEF system fault codes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncorrect sensor readings\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSCR or emissions system warnings\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eReduced vehicle performance due to DEF system faults\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eWHY REPLACE A DEF TANK SENSOR HEAD UNIT?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eA faulty sensor head can provide incorrect DEF tank information and cause DEF or SCR system faults. Replacing it with a Genuine OEM International\/Navistar component helps restore accurate DEF monitoring and proper system operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eFITMENT INFORMATION\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003ePlease verify the part number, VIN, vehicle model, engine, DEF tank capacity, and original sensor specifications before ordering. Exact fitment varies by vehicle and DEF system configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\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\u003ch3\u003e\u003cspan\u003eGENUINE INTERNATIONAL\/NAVISTAR PART\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePart Number: 2515991C1\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"INTERNATIONAL\/NAVISTAR","offers":[{"title":"Default Title","offer_id":49707196875011,"sku":"SY1090","price":475.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0838\/9289\/6003\/files\/2515991C1_DEF_Sensor_Head.jpg?v=1790416700"},{"product_id":"2515984c3-genuine-oem-international-9-5-gallon-def-qls-sensor-head","title":"2515984C3 | Genuine OEM International 9.5 Gallon DEF QLS Sensor Head","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e2515984C3 | Genuine OEM International 9.5 Gallon DEF QLS Sensor Head\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe 2515984C3 Genuine OEM International DEF QLS Sensor Head is designed for compatible 9.5-gallon diesel exhaust fluid (DEF) tank systems. This sensor head monitors DEF tank conditions and provides sensor information to the vehicle's emissions and SCR systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003ePRODUCT INFORMATION\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003ePart Number: 2515984C3\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBrand: International\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCondition: New\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eComponent: DEF QLS Sensor Head\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFuel Type: Diesel\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDEF Tank Capacity: 9.5 Gallons\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSensor Type: QLS Sensor\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSystem: DEF \/ SCR Emissions System\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eApplication: Compatible International heavy-duty truck applications\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003eAPPLICATIONS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eDesigned for selected International truck applications using compatible 9.5-gallon DEF tank systems and QLS sensor configurations. Exact fitment varies by vehicle model and DEF system configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003eFUNCTION\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe DEF QLS Sensor Head monitors conditions within the DEF tank and provides information to the vehicle control system for proper DEF and SCR system operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003eA worn, damaged, or failing DEF QLS Sensor Head may cause symptoms such as:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eIncorrect DEF level readings\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDEF warning messages\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDEF or SCR system fault codes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncorrect sensor readings\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEmissions system warnings\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCheck engine or aftertreatment warnings\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003eWHY REPLACE A DEF QLS SENSOR HEAD?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eA properly functioning DEF sensor is important for accurate monitoring of the DEF tank and reliable SCR emissions system operation. Replacing a faulty sensor head can help restore accurate DEF system information and normal system operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003eFITMENT INFORMATION\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003ePlease verify the part number, DEF tank capacity, vehicle model, system configuration, and OE specifications before ordering. Exact fitment varies by application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\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 class=\"isSelectedEnd\"\u003e\u003cstrong\u003eGENUINE INTERNATIONAL PART\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePart Number: 2515984C3\u003c\/span\u003e\u003c\/p\u003e","brand":"INTERNATIONAL\/NAVISTAR","offers":[{"title":"Default Title","offer_id":49708314853635,"sku":"SY1174","price":445.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0838\/9289\/6003\/files\/2515984C3_DEF_Sensor_Head.jpg?v=1790440125"},{"product_id":"4352100c91-genuine-oem-international-def-tank-level-sensor-qls-ssi","title":"4352100C91 | Genuine OEM International DEF Tank Level Sensor QLS SSI","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e4352100C91 | Genuine OEM International DEF Tank Level Sensor QLS SSI\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe 4352100C91 Genuine OEM International DEF Tank Level Sensor is designed for compatible diesel exhaust fluid (DEF) tank systems. This QLS SSI sensor monitors DEF tank conditions and provides information to the vehicle control system for proper DEF and SCR emissions system operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003ePRODUCT INFORMATION\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003ePart Number: 4352100C91\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBrand: International\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCondition: New\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eComponent: DEF Tank Level Sensor\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSensor Type: QLS SSI Sensor\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFuel Type: Diesel\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDEF Tank Applications: 15.5, 16, and 23 Gallon\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSystem: DEF \/ SCR Emissions System\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eApplication: Compatible International heavy-duty truck applications\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003eAPPLICATIONS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eDesigned for selected International truck applications using compatible 15.5, 16, and 23 gallon DEF tank systems with QLS SSI sensor configurations. Exact fitment varies by vehicle model and DEF system configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003eFUNCTION\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe DEF tank level sensor monitors the DEF level and related tank conditions and provides sensor information to the vehicle control system for proper emissions system operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003eA worn, damaged, or failing DEF Tank Level Sensor may cause symptoms such as:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eIncorrect DEF level readings\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDEF warning messages\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDEF or SCR system fault codes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncorrect or inconsistent sensor readings\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCheck engine or emissions warnings\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAftertreatment system faults\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003eWHY REPLACE A DEF TANK LEVEL SENSOR?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eA properly functioning DEF sensor is important for accurate monitoring of the DEF tank and reliable SCR emissions system operation. Replacing a faulty sensor can help restore accurate DEF level information and proper system operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003eFITMENT INFORMATION\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003ePlease verify the part number, DEF tank capacity, vehicle model, QLS\/SSI configuration, and OE specifications before ordering. Exact fitment varies by application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\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 class=\"isSelectedEnd\"\u003e\u003cstrong\u003eGENUINE INTERNATIONAL PART\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePart Number: 4352100C91\u003c\/span\u003e\u003c\/p\u003e","brand":"INTERNATIONAL\/NAVISTAR","offers":[{"title":"Default Title","offer_id":49708356600067,"sku":"SY1061","price":475.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0838\/9289\/6003\/files\/International_DEF_Sensor_Head.jpg?v=1791214464"},{"product_id":"2515900c1-genuine-oem-international-navistar-def-tank-sensor-head-assembly","title":"2515900C1 | Genuine OEM International DEF Tank Sensor Head Assembly","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e2515900C1 | Genuine OEM International\/Navistar DEF Tank Sensor Head Assembly\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe 2515900C1 Genuine OEM International\/Navistar DEF Tank Sensor Head Assembly is designed for compatible diesel exhaust fluid (DEF) tank systems. This assembly includes a 5-gallon level sensor and provides DEF tank level information to the vehicle's emissions and SCR system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003ePRODUCT INFORMATION\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003ePart Number: 2515900C1\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBrand: International\/Navistar\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCondition: New\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eComponent: DEF Tank Sensor Head Assembly\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSensor: 5-Gallon Level Sensor\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFuel Type: Diesel\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDEF Tank Application: 5 Gallon\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSystem: DEF \/ SCR Emissions System\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eApplication: Compatible International\/Navistar heavy-duty truck applications\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003eAPPLICATIONS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eDesigned for selected International\/Navistar truck applications using compatible 5-gallon DEF tank systems and sensor configurations. Exact fitment varies by vehicle model and DEF system configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003eFUNCTION\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe DEF tank sensor head assembly monitors the DEF level within the tank and provides sensor information to the vehicle control system for proper DEF and SCR system operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003eA worn, damaged, or failing DEF Tank Sensor Head Assembly may cause symptoms such as:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eIncorrect DEF level readings\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDEF warning messages\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDEF or SCR system fault codes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncorrect or inconsistent sensor readings\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCheck engine or emissions warnings\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAftertreatment system faults\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003eWHY REPLACE A DEF TANK SENSOR HEAD ASSEMBLY?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eA properly functioning DEF sensor assembly is important for accurate DEF level monitoring and reliable SCR emissions system operation. Replacing a faulty sensor head assembly can help restore accurate DEF system information and normal system operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003eFITMENT INFORMATION\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003ePlease verify the part number, DEF tank capacity, vehicle model, sensor configuration, and OE specifications before ordering. Exact fitment varies by application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\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 class=\"isSelectedEnd\"\u003e\u003cstrong\u003eGENUINE INTERNATIONAL\/NAVISTAR PART\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePart Number: 2515900C1\u003c\/span\u003e\u003c\/p\u003e","brand":"INTERNATIONAL\/NAVISTAR","offers":[{"title":"Default Title","offer_id":49714491031811,"sku":"SY1311","price":1044.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0838\/9289\/6003\/files\/2515900C1_DEF_Sensor_Head.png?v=1790507033"},{"product_id":"4353001c91-genuine-oem-international-navistar-def-header-7-gallon-qls-1-ssi","title":"4353001C91 | Genuine OEM International DEF Header 7 Gallon QLS","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e4353001C91 | Genuine OEM International\/Navistar DEF Header 7 Gallon QLS 1% SSI\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe 4353001C91 Diesel Exhaust Fluid (DEF) Header is a Genuine OEM International\/Navistar component designed for compatible 7-gallon DEF tank applications. The header incorporates QLS 1% SSI sensing technology and supports DEF tank monitoring within the vehicle's SCR aftertreatment system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003ePRODUCT INFORMATION\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003ePart Number:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 4353001C91\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eBrand:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e International\/Navistar\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eCondition:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e New\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eComponent:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e DEF Header\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eSensor Type:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e QLS 1% SSI\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eDEF Tank Capacity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 7 gallons\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eFuel Type:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Diesel\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eSystem:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Diesel Exhaust Fluid \/ SCR Aftertreatment\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eAPPLICATIONS\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eCompatible International\/Navistar diesel truck applications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e7-gallon DEF tank systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDEF and SCR aftertreatment systems using compatible QLS 1% SSI components\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eExact fitment depends on vehicle configuration, DEF tank design, sensor system, and original equipment specifications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eFUNCTION\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe DEF header is installed in the DEF tank and supports monitoring of diesel exhaust fluid conditions through the integrated QLS 1% SSI sensing system. It provides sensor information used by the vehicle's DEF and SCR systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eA worn, damaged, or failing DEF Header may cause symptoms such as:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eIncorrect DEF level readings\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDEF system warning messages\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDEF quality or sensor-related faults\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSCR or aftertreatment fault codes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCheck engine or emissions warning indicators\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncorrect DEF system information\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eWHY REPLACE A DEF HEADER?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eA properly functioning DEF header is important for accurate monitoring of the DEF tank and reliable SCR aftertreatment operation. Replacing a damaged or failed header can help restore correct DEF sensing and system communication.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eFITMENT INFORMATION\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eAlways verify the part number, VIN, vehicle model, DEF tank capacity, QLS\/SSI configuration, and original equipment specifications before ordering. Exact compatibility may vary by application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\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 class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eGENUINE INTERNATIONAL\/NAVISTAR PART\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePart Number:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 4353001C91\u003c\/span\u003e\u003c\/p\u003e","brand":"INTERNATIONAL\/NAVISTAR","offers":[{"title":"Default Title","offer_id":49715213730051,"sku":"SY1058","price":759.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0838\/9289\/6003\/files\/4353001C91_DEF_Header.jpg?v=1790517781"},{"product_id":"4353004c92-genuine-oem-international-navistar-15-gallon-def-tank-qls-1-ssi-sensor-head-unit","title":"4353004C92 | Genuine OEM Internationa 15 Gallon DEF Sensor QLS","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003e4353004C92 | Genuine OEM International\/Navistar 15 Gallon DEF Tank QLS 1% SSI Sensor Head Unit\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eGenuine OEM International\/Navistar 15 gallon DEF tank QLS 1% SSI sensor head unit designed for compatible Diesel Exhaust Fluid (DEF) tank and SCR aftertreatment systems. This component is part of the DEF tank sensing system used to monitor DEF-related conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003ePRODUCT INFORMATION\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003ePart Number:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 4353004C92\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eBrand:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e International\/Navistar\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eCondition:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e New\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eComponent:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e DEF Tank QLS 1% SSI Sensor Head Unit\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eSystem:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Diesel Exhaust Fluid \/ SCR Aftertreatment\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eDEF Tank Capacity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 15 Gallon\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eSensor Type:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e QLS 1% SSI\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003ePart Type:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e DEF Sensor Head \/ DEF Header\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eAPPLICATIONS\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eInternational heavy-duty truck DEF systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNavistar DEF tank applications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCompatible 15 gallon DEF tank configurations\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSCR aftertreatment systems using QLS 1% SSI sensing\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eExact fitment depends on the vehicle model, DEF tank configuration, system design, and original equipment specifications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eFUNCTION\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe DEF tank QLS 1% SSI sensor head unit is part of the DEF sensing assembly. It supports monitoring of DEF tank conditions and communicates sensing information to the vehicle's emissions and aftertreatment control system.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eA worn, damaged, or failing DEF TANK QLS SENSOR HEAD UNIT may cause symptoms such as:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eDEF system warning messages\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncorrect DEF level or quality readings\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSCR system monitoring faults\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDEF sensor-related diagnostic fault codes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEmissions system warnings\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eImproper DEF system operation\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eWHY REPLACE A DEF TANK QLS SENSOR HEAD UNIT?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eA properly functioning DEF sensing component is important for accurate monitoring of the DEF system and normal SCR aftertreatment operation. Replacing a damaged or faulty sensor head can help restore proper DEF system sensing.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eFITMENT INFORMATION\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003ePlease verify the part number, DEF tank capacity, vehicle model, model year, QLS\/SSI configuration, and original equipment specifications before purchase.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\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\u003ch3\u003e\u003cspan\u003eGENUINE INTERNATIONAL\/NAVISTAR PART\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePart Number:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 4353004C92\u003c\/span\u003e\u003c\/p\u003e","brand":"INTERNATIONAL\/NAVISTAR","offers":[{"title":"Default Title","offer_id":49715702956291,"sku":"SY1090","price":475.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0838\/9289\/6003\/files\/2515991C1_DEF_Level_Sensor.jpg?v=1790417074"},{"product_id":"2888173-genuine-oem-cummins-def-doser-injector","title":"2888173 | Genuine OEM Cummins DEF Doser Injector","description":"\u003cp data-pm-slice=\"1 1 []\"\u003e\u003cstrong\u003e\u003cspan\u003e2888173 | Genuine OEM Cummins DEF Doser Injector\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e2888173 Genuine OEM Cummins DEF Doser Injector is a component designed for use in a compatible diesel engine aftertreatment system. It delivers diesel exhaust fluid (DEF) into the exhaust aftertreatment system to support emissions control. The exact application should be verified using the original part number and engine specifications.\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: 2888173\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 Doser Injector\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eFuel Type: Diesel\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eEngine Applications: Not specified\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eOther important specifications: Diesel exhaust fluid dosing component\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 2888173 Cummins DEF Doser Injector is intended for compatible Cummins diesel engine aftertreatment systems that require this specific component. Exact applications may vary depending on the engine model, emissions system, vehicle configuration, and production specifications. Verify compatibility using the original part number and vehicle information before purchasing.\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 DEF Doser Injector delivers diesel exhaust fluid into the exhaust aftertreatment system as part of the emissions reduction process. Proper fluid dosing supports the operation of the selective catalytic reduction (SCR) system, where equipped, helping reduce nitrogen oxide (NOx) emissions. Correct operation depends on compatibility with the specific engine and aftertreatment configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA worn, damaged, or failing DEF Doser Injector may cause symptoms such as:\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e• Aftertreatment system warning lights\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Diagnostic trouble codes\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Incorrect DEF dosing\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• SCR system performance issues\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Increased emissions\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Engine derate or warning messages, depending on the vehicle system\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWHY REPLACE A DEF DOSER INJECTOR?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA damaged or malfunctioning DEF Doser Injector can interfere with the delivery of diesel exhaust fluid and affect aftertreatment system performance. Incorrect dosing may trigger emissions-related faults and affect the operation of the SCR system. Replacing a faulty injector with the correct Genuine OEM Cummins DEF Doser Injector can help restore proper fluid delivery and support normal emissions control operation.\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, verify the Part Number, VIN, vehicle model, engine, and configuration to confirm the correct application. DEF Doser Injector compatibility may vary by engine family, emissions standard, and aftertreatment system. Do not assume compatibility based only on the appearance of the part.\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: 2888173\u003c\/span\u003e\u003c\/p\u003e","brand":"Cummins","offers":[{"title":"Default Title","offer_id":49755810464003,"sku":"SY1050","price":208.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0838\/9289\/6003\/files\/2888173_Def_Doser_Injector_1.png?v=1791757871"},{"product_id":"2880277-genuine-oem-cummins-aftertreatment-doser-injector-kit","title":"2880277 | Genuine OEM Cummins Aftertreatment Doser Injector Kit","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e2880277 | Genuine OEM Cummins Aftertreatment Doser Injector Kit\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e2880277 Genuine OEM Cummins Aftertreatment Doser Injector Kit is a component designed for use in an engine aftertreatment system. This doser injector kit helps deliver the required fluid into the aftertreatment system for proper emissions control operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003ePRODUCT INFORMATION\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003ePart Number: 2880277\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBrand: Cummins\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCondition: Genuine OEM\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eComponent: Aftertreatment Doser Injector Kit\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eFuel Type: Not specified\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eEngine Applications: Not specified\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eOther important specifications: Aftertreatment system component\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eAPPLICATIONS\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe 2880277 Aftertreatment Doser Injector Kit is intended for applicable Cummins engine aftertreatment systems. Exact fitment should be confirmed using the original part number and vehicle information.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eFUNCTION\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe 2880277 doser injector kit is designed to deliver fluid into the engine aftertreatment system as part of the emissions control process. Proper operation helps support the intended function of the aftertreatment system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eA worn, damaged, or failing Aftertreatment Doser Injector Kit may cause symptoms such as:\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e• Aftertreatment system performance issues\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Emissions-related warning lights\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Diagnostic trouble codes\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Improper fluid dosing\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Reduced emissions system efficiency\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Engine or aftertreatment system performance issues\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eWHY REPLACE AN AFTERTREATMENT DOSER INJECTOR KIT?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eA damaged or malfunctioning doser injector can affect fluid delivery and proper aftertreatment system operation. Replacing it with the correct Genuine OEM Cummins component can help restore proper dosing and support normal emissions control system function.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eFITMENT INFORMATION\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBefore purchasing, verify the Part Number, VIN, vehicle model, engine, and configuration to confirm the correct application. Do not assume compatibility based only on the appearance of the part.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\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 class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eGENUINE CUMMINS PART\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePart Number: 2880277\u003c\/span\u003e\u003c\/p\u003e","brand":"Cummins","offers":[{"title":"Default Title","offer_id":49762186395907,"sku":"2880277","price":546.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0838\/9289\/6003\/files\/2880277_Aftertreatment_Doser_Injecto_1.png?v=1791239420"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0838\/9289\/6003\/collections\/ChatGPT_Image_Sep_22_2026_06_22_29_PM.png?v=1790182822","url":"https:\/\/truckpartsplanet.com\/es\/collections\/emissions-def.oembed","provider":"TRUCK PARTS PLANET","version":"1.0","type":"link"}