Q21-6170-002K1T | Genuine Paccar® DEF Level And Concentration Sensor

Description and Purpose: The Paccar DEF Level & Concentration Sensor, Part number: Q21-6170-002K1T, is a new unit that measures both the level and urea concentration of Diesel Exhaust Fluid. It ensures correct DEF quality and volume for efficient NOx reduction and reliable SCR operation. Cross Reference: Q216170002K1T, Q21 6170 002K1T, Q21-6170-002, Q216170002. Why Replacement is Important: A faulty sensor can cause incorrect DEF readings, leading to increased emissions or reduced engine performance. Impact on Vehicle Performance: Proper sensor function maintains emission compliance, engine efficiency, and optimal DEF usage. Manufacturer Information: Paccar® designs high-precision components for Kenworth and Peterbilt vehicles, ensuring durability and performance in heavy-duty applications. Tags & Category: Diesel Exhaust Fluid Quality Sensor, DEF Quality Sensor, DEF Sensor, Paccar DEF Sensor, Paccar Emissions Sensor, X15 Emission Control Sensor, SCR System Sensor, NOx Reduction System Sensor, DEF Monitoring Sensor, Diesel Aftertreatment Sensor, Urea System Quality Sensor, Heavy Duty Truck DEF Sensor, Paccar X15 DEF Component, Emissions Management Sensor, DEF Tank Sensor, Fleet Truck Emission Sensor, (DEF) SCR System Warranty: Parts Finder Q offers a 365-days warranty 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.