Q21-6170-008K1T | Genuine Paccar® DEF Quality and Level Sensor Assembly

SKU: Q21-6170-008K1T MPN: Q21-6170-008K1T

Consistent monitoring of DEF condition and volume is supported by the Genuine Paccar DEF Quality and Level Sensor Assembly, offered new and identified by Part Number: Q21-6170-008K1T for dependable emissions system functionality.

$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: Q21-6170-008K1T

  • Free shipping over $199 Order today — get it
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    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 Q21-6170-008K1T Part Number Q21-6170-008K1T
Cross Reference Q216170008K1T Cross Reference Q216170008K1T
Vehicle Compatibility
Trucks Kenworth, Peterbilt Trucks Kenworth, Peterbilt

Useful Information

Description and Purpose

Effective SCR performance depends on accurate DEF monitoring. Produced by Paccar, this Genuine DEF Quality and Level Sensor Assembly is delivered in new condition and cataloged under Part Number: Q21-6170-008K1T. The unit measures fluid level and quality characteristics inside the DEF tank, helping maintain proper emissions system operation and compliance requirements. Compatible with Kenworth and Peterbilt trucks. Part Number: Q216170008K1T.

Why Replacement is Important

Worn or damaged sensors can cause inaccurate measurements, increasing the risk of system faults and unexpected service interruptions.

Impact on Vehicle Performance

Proper DEF monitoring contributes to efficient emissions control and supports consistent operation of the aftertreatment system.

Manufacturer Information

Paccar® is a leading manufacturer of commercial vehicle technologies serving heavy-duty transportation markets. Its genuine components are engineered for robust performance, precise electronic integration, and reliable operation across demanding truck applications.

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: Q21-6170-008K1T