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GM 15129746 Rear Side Door Lock Assembly

2004 GM

Customer Questions & Expert Answers (3)
15129746 GM Rear Side Door Lock Assembly Illustration 1 of 1
  • Part Description
    Lock Assembly, Rear Side Door
  • Position
    Rear
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Related Parts
  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine GM
    Manufacturer Part Number15129746
    Part DescriptionLock Assembly, Rear Side Door
    Other NamesLock
    Item Dimensions22.5 x 8.9 x 6.7 inches
    Item Weight1.90 Pounds
    PositionRear
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU15129746
    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
    2004 Chevrolet Colorado4 Cyl 2.8L, 5 Cyl 3.5LCREW CAB
    2004 GMC Canyon4 Cyl 2.8L, 5 Cyl 3.5LPICKUP CREW CAB
  • 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 15129746 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    What should be applied to the Door Lock latch strikers for the 2004 GMC Canyon? Posted by Dakotah H.
    A:
    The door latch strikers should be coated with a thin layer of grease to minimize wear and promote smooth operation. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Julian / Apr 29, 2023
    Q:
    What does the power Door Lock system consist of for the 2004 Chevrolet Colorado? Posted by Fernand C.
    A:
    The power door lock system consists of switches, actuators, Body Control Module (BCM), and associated wiring. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Fernando / Dec 18, 2025

Genuine GM Part 15129746, the Right Choice

To ensure reliability, purchase GM part # 15129746 Rear Side Door Lock Assembly. It is sometimes referred to as GM Door Lock, GM Door Lock Actuator, GM Door Latch 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.

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