Q21-6170-004K1T | Genuine Paccar® DEF Quality and Level Sensor Assembly

SKU: Q21-6170-004K1T MPN: Q21-6170-004K1T

Accurate DEF tank monitoring starts with the Genuine Paccar DEF Quality and Level Sensor Assembly, supplied new and carrying Part Number: Q21-6170-004K1T, helping provide essential fluid condition and level data for aftertreatment operation.

$339.00
No Core Charge
5 in stock, ready to ship

Pickup available at Warehouse - Howard st 7092 ste F

Usually ready in 24 hours

Need it fast? We offer overnight shipping

Contact us to check if overnight next-day delivery is available for your order - PN: Q21-6170-004K1T

  • Free shipping over $199 Order today — get it
  • Clock Icon
    Orders before 7 PM EST ship same business day
  • Location icon, warehouse pickup point.
    Pickup available. Usually ready in 24 hours

Product Description

Product Name DEF Quality and Level Sensor Assembly Product Name DEF Quality and Level Sensor Assembly
Condition New Condition New
Brand Paccar® Brand Paccar®
Part Number Q21-6170-004K1T Part Number Q21-6170-004K1T
Cross Reference Q216170004K1T Cross Reference Q216170004K1T
Vehicle Compatibility
Trucks Kenworth, Peterbilt Trucks Kenworth, Peterbilt

Useful Information

Description and Purpose:

Monitoring both DEF condition and fluid quantity is essential for proper emissions system operation. This DEF Quality and Level Sensor Assembly manufactured by Genuine Paccar is supplied in new condition and available under Part Number: Q21-6170-004K1T. 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.

Why Replacement is Important:

A faulty sensor may provide inaccurate DEF readings, leading to emissions faults, derating events, and unnecessary vehicle downtime.

Impact on Vehicle Performance:

Accurate DEF monitoring supports efficient aftertreatment operation and helps maintain consistent engine performance and emissions control.

Manufacturer Information:

Paccar® 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.

Tags & Category: DEF Sensor, DEF Quality Sensor, DEF Level Sensor, DEF System, Tank Sensor, DEF Monitoring, SCR System, Aftertreatment, Emissions System, Emission Control, DEF Head, DEF Module

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.

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  • Icon Truck, Fast Delivery
    Free shipping over $199 Place an order today and receive it on Mar 6
  • Clock Icon
    Orders placed before 7-PM EST will ship same business day
  • Location icon, warehouse pickup point.
    Pickup available usually ready in 24 hours
  • Need it fast? We offer overnight shipping

    Contact us to check if overnight next-day delivery is available for your order - PN: Q21-6170-004K1T