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Q21-1029-1-121 Genuine Paccar Cab Control Module For Kenworth Peterbilt

P/N: Q21-1029-1-121 Manufactured by: Paccar
Original price $2,690.00 - Original price $2,690.00
Original price
$2,690.00
$2,690.00 - $2,690.00
Current price $2,690.00
1 in Stock
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Product Overview

The Q21-1029-1-121 Genuine Paccar Cab Control Module is an electronic control unit used in Kenworth and Peterbilt trucks to manage electrical functions and coordinate control signals across designated cabin systems. Its electronic circuitry processes inputs from connected switches and vehicle components, supporting communication and control of cabin electrical equipment according to the vehicle's installed system configuration.

Product Features

The Q21-1029-1-121 Cab Control Module manages electrical control functions within compatible Kenworth and Peterbilt truck cabin systems.

  • Processes electrical inputs from connected cabin switches and associated vehicle control components
  • Coordinates electronic control signals between designated cabin systems during normal vehicle operation
  • Supports communication with compatible vehicle electrical modules through the installed control network
  • Manages assigned cabin electrical functions according to the programmed module configuration and inputs
  • Provides an electronic interface for coordinating connected electrical equipment within the truck cab
  • Integrates with the specified vehicle wiring connections and cabin control system architecture

General Specifications

Condition Remanufactured
Part Number Q21-1029-1-121
Brand Paccar
Part Type Cab Control Module
Vehicle Applications Kenworth T600, Kenworth W900, Kenworth T680, Peterbilt 379, Peterbilt 357, Peterbilt 386
System Cabin Electrical Control
Fitment Type Direct Replacement


Installation Notes

The Q21-1029-1-121 Cab Control Module is installed within the vehicle cabin electrical system and connects to the designated wiring harness and associated control circuits. Inspect the module connectors, mounting arrangement, electrical connections, and vehicle-specific programming requirements before completing installation.

Always verify vehicle model, cab electrical configuration, module connector arrangement, software compatibility, and programming requirements before installation.