{"product_id":"4097728c91-genuine-oem-international-navistar-def-qls-sensor","title":"4097728C91 | Genuine OEM International\/Navistar DEF QLS Sensor","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e4097728C91 | Genuine OEM International\/Navistar DEF QLS Sensor\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe 4097728C91 DEF QLS Sensor is a genuine International\/Navistar component designed for compatible Diesel Exhaust Fluid (DEF) tank systems. It monitors DEF tank conditions and provides sensor information to the vehicle's emissions and aftertreatment control system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003ePRODUCT INFORMATION\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003ePart Number: 4097728C91\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBrand: International\/Navistar\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCondition: New\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eComponent: DEF QLS Sensor\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eFuel Type: Diesel\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eDEF Tank Applications: 10.6, 15.9, and 25.2 gallon tanks\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSystem: Diesel Exhaust Fluid (DEF) \/ SCR\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSensor Technology: QLS (Quality Level Sensor)\u003c\/span\u003e\u003c\/p\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 10.6, 15.9, or 25.2 gallon DEF tanks. Exact fitment varies by truck model, year, DEF tank configuration, electrical system, and emissions system specifications.\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 provides information related to DEF tank conditions, supporting the vehicle's DEF and SCR aftertreatment system monitoring and control.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003eA worn, damaged, or failing DEF QLS SENSOR may cause symptoms such as:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e• Incorrect DEF level readings\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• DEF quality warnings\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• DEF system fault messages\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• SCR or aftertreatment fault codes\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Check engine or emissions warning lights\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Incorrect sensor readings\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003eWHY REPLACE A DEF QLS SENSOR?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eA malfunctioning DEF sensor can provide inaccurate information to the vehicle's emissions control system and may trigger DEF or SCR-related warnings. Replacing it with the correct genuine International\/Navistar component can help restore proper DEF system monitoring.\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 Part Number 4097728C91, VIN, truck model, year, DEF tank capacity, QLS configuration, and original equipment specifications before ordering.\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: 4097728C91\u003c\/span\u003e\u003c\/p\u003e","brand":"INTERNATIONAL\/NAVISTAR","offers":[{"title":"Default Title","offer_id":49693408329987,"sku":"SY1061","price":475.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0838\/9289\/6003\/files\/QLS_DEF_Tank_Sensor.jpg?v=1791214445","url":"https:\/\/truckpartsplanet.com\/products\/4097728c91-genuine-oem-international-navistar-def-qls-sensor","provider":"TRUCK PARTS PLANET","version":"1.0","type":"link"}