{"product_id":"q21-6170-004k1t-q216170004k1t-genuine-paccar-def-quality-and-level-sensor-assembly","title":"Q21-6170-004K1T | Genuine Paccar® DEF Quality and Level Sensor Assembly","description":"\u003cp\u003e\u003cstrong\u003eDescription and Purpose:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMonitoring both DEF condition and fluid quantity is essential for proper emissions system operation. This \u003cstrong\u003eDEF Quality and Level Sensor Assembly\u003c\/strong\u003e manufactured by \u003cstrong\u003eGenuine Paccar\u003c\/strong\u003e is supplied in \u003cstrong\u003enew\u003c\/strong\u003e condition and available under Part Number: \u003cstrong\u003eQ21-6170-004K1T\u003c\/strong\u003e. The sensor continuously measures DEF quality and tank level, helping the aftertreatment system maintain accurate dosing and regulatory compliance. Compatible with Kenworth and Peterbilt trucks. Cross Reference: Q216170004K1T.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy Replacement is Important:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA faulty sensor may provide inaccurate DEF readings, leading to emissions faults, derating events, and unnecessary vehicle downtime.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eImpact on Vehicle Performance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAccurate DEF monitoring supports efficient aftertreatment operation and helps maintain consistent engine performance and emissions control.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer Information:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePaccar®\u003c\/strong\u003e develops advanced technologies and components for commercial transportation applications. Its genuine parts are engineered for durability, reliable system communication, and dependable operation in demanding Kenworth and Peterbilt truck environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTags \u0026amp; Category: \u003c\/strong\u003eDEF Sensor, DEF Quality Sensor, DEF Level Sensor, DEF System, Tank Sensor, DEF Monitoring, SCR System, Aftertreatment, Emissions System, Emission Control, DEF Head, DEF Module\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWarranty:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eParts Finder Q offers a \u003cstrong\u003e365-days warranty\u003c\/strong\u003e for all types of parts in any condition. The warranty applies exclusively to purchases made directly through our website (partsfinderq.com). Please note that purchases made through third-party platforms like eBay or Amazon are not covered by this warranty.\u003cbr\u003e\u003c\/p\u003e","brand":"Paccar®","offers":[{"title":"Default Title","offer_id":51809466810666,"sku":"Q21-6170-004K1T","price":339.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/6566\/3530\/files\/Q21-6170-004K1T_Genuine_Paccar_DEF_Quality_and_Level_Sensor_Assembly_Front-left_angle.jpg?v=1781878585","url":"https:\/\/partsfinderq.com\/products\/q21-6170-004k1t-q216170004k1t-genuine-paccar-def-quality-and-level-sensor-assembly","provider":"Parts Finder Q","version":"1.0","type":"link"}