Q21-1029-1-121 | Genuine Paccar® Cab Electronic Control Module

SKU: Q21-1029-1-121 MPN: Q21-1029-1-121

Reliable cab system management starts with the Genuine Paccar Cab Electronic Control Module, supplied in remanufactured condition and identified by Part Number: Q21-1029-1-121, supporting coordinated communication between essential cab electronic systems.

$1,749.00
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: Q21-1029-1-121

  • 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 Cab Electronic Control Module Product Name Cab Electronic Control Module
Condition Remanufactured Condition Remanufactured
Brand Paccar® Brand Paccar®
Part Number Q21-1029-1-121 Part Number Q21-1029-1-121
Cross Reference Q2110291121, A2C53180542 Cross Reference Q2110291121, A2C53180542
Vehicle Compatibility
Trucks Peterbilt, Kenworth Trucks Peterbilt, Kenworth
Specifications
Voltage 12V Voltage 12V

Useful Information

Description and Purpose:

The Cab Electronic Control Module manages essential cab electrical functions by coordinating communication between onboard systems and electronic components. This Genuine Paccar component is supplied in remanufactured condition and identified by Part Number: Q21-1029-1-121. It supports reliable cab system operation and electronic communication. Compatible with Peterbilt and Kenworth trucks. Cross Reference: Q2110291121, A2C53180542.

Why Replacement is Important:

A faulty control module can interrupt cab electronics, trigger communication faults, and reduce the reliability of multiple vehicle functions.

Impact on Vehicle Performance:

Proper module operation supports stable electronic communication, dependable cab functions, and consistent vehicle operation.

Manufacturer Information:

Paccar® designs advanced electronic and vehicle control systems for Kenworth and Peterbilt trucks. Its components are engineered for durability, seamless integration, and reliable performance in demanding commercial transportation environments.

Tags & Category: Cab Control Module, Cab ECU, Cab Electronic Control Unit, Cab Electronic Control Module, Cab Module, Control Module, Body Control Module, BCM, Cab Controller, Vehicle Electronics, Cab Electronics, Electronic 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: Q21-1029-1-121