Make sure this part fits

GM 17803876 Transmission

2009-2011 GM

Customer Questions & Expert Answers (3)
17803876 GM Transmission Illustration 1 of 1
  • Part Description
    Transmission, Automatic
  • Replaces
    17804039, 19209777, 19257131, 17804230, 24251507
  • Manufacturer
    General Motors
Make sure this part fits
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  • Related Parts
  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine GM
    Manufacturer Part Number17803876
    Part DescriptionTransmission; Transmission, Automatic
    Item Dimensions47.1 x 22.1 x 24.1 inches
    Item Weight187.90 Pounds
    ConditionRemanufactured
    Fitment TypeDirect Replacement
    Replaces17804039, 19209777, 19257131, 17804230, 24251507
    ManufacturerGeneral Motors
    SKU17803876
    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
    2009-2011 Chevrolet Colorado8 Cyl 5.3LCREW CAB, EXTENDED CAB, EXTENDED LENGTH, PICKUP
    2009-2011 GMC Canyon8 Cyl 5.3LPICKUP, PICKUP CREW CAB, PICKUP EXTENDED CAB, PICKUP EXTENDED LENGTH
    2009-2010 Hummer H38 Cyl 5.3LCREW CAB, SUV
    2009-2010 Hummer H3T8 Cyl 5.3LCREW CAB, SUV
  • Customer Questions & Expert Answers

    Q:
    I'm wondering if this is complete and correct part for my vehicle.
    A:
    You can Select Your Vehicle to check if 17803876 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    What are the initial steps to prepare for Transmission Assembly removal for the 2009 Chevrolet Colorado? Posted by Verified Customer
    A:
    Start by disconnecting the cable from the negative terminal of the battery. Then, raise the vehicle and support it securely on jackstands. If necessary, remove the skid plate and skid plate crossmember. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Julian / May 06, 2022
    Q:
    What are the final steps after the Transmission Assembly is installed for the 2011 GMC Canyon? Posted by Skye L.
    A:
    Remove the jacks supporting the transmission and engine, install the transfer case and shift cable for 4WD models, and reinstall the various items removed earlier. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Jeremy / May 31, 2026

Genuine GM Part 17803876, the Right Choice

To ensure reliability, purchase GM part # 17803876 Transmission. It is sometimes referred to as GM Transmission Assembly. 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 Colorado models. It fits GMC Canyon. It also fits Hummer H3, H3T.

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