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GM 20850905 Module Assembly

2009-2014 GM

Customer Questions & Expert Answers (2)
20850905 GM Module Assembly Illustration 1 of 1
  • Part Description
    Module, Cruise Control
  • Manufacturer
    General Motors
Make sure this part fits
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  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine GM
    Manufacturer Part Number20850905
    Part DescriptionModule Assembly; Module, Cruise Control
    Item Dimensions10.3 x 6.7 x 3.4 inches
    Item Weight1.10 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU20850905
    WarrantyThis genuine GM part is guaranteed by GM's factory warranty.
    Shipping & ReturnShipping Policy Return Policy
    Warning: California's Proposition 65
  • Vehicle Fitment

    Year Make Model Engine Important vehicle option details
    2009-2014 Chevrolet Silverado8 Cyl 6.6L DieselCREW CAB 1 TON, EXTENDED CAB 1 TON, EXTENDED CAB CHASSIS 1 TON 161.5, REGULAR CAB 1 TON, REGULAR CAB CHASSIS 1 TON 137.0, REGULAR CAB CHASSIS 1 TON 161.5
    2009-2014 GMC Sierra8 Cyl 6.6L Diesel1 TON CREW CAB, CREW CAB 1 TON, CREW CAB 1 TON 119.0, CREW CAB 1 TON 137.0, EXTENDED CAB 1 TON, EXTENDED CAB CHASSIS 1 TON 161.5, EXTENDED CREW CAB 1 TON 161.5, REGULAR CAB 1 TON, REGULAR CAB CHASSIS 1 TON 137.0, REGULAR CAB CHASSIS 1 TON 161.5
  • Customer Questions & Expert Answers

    Q:
    I would like to confirm if this is the correct part number for my vehicle. Please advise. Thank you.
    A:
    You can Select Your Vehicle to check if 20850905 fits your vehicle.
    Posted and answered by GM Parts Specialist Henry
    Q:
    What is the recommended course of action for issues with the Cruise Control Module on Chevrolet Silverado? Posted by Jordyn M.
    A:
    First of all, the Powertrain Control Module regulates the cruise control system and if you have problems with the cruise control system, check for the presence of trouble codes stored in the PCM. Also, if that doesn't turn up any problems, you must have it inspected by a repair shop.
    You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Bob / Jan 12, 2026

Genuine GM Part 20850905, the Right Choice

To ensure reliability, purchase GM part # 20850905 Module Assembly. It is sometimes referred to as GM Cruise Control Module. Directly from GM, genuine parts are superb with regards to quality, longevity, and fit. Every single part passed stringent quality testing, so you can be sure that it's safe, durable, and built to perform like your original parts. This part fits specific Chevrolet Silverado models. It fits GMC Sierra.

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