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GM 15778435 End Gate Latch Assembly

2004-2005 GM

Customer Questions & Expert Answers (3)
15778435 GM End Gate Latch Assembly Product Photo 1 of 3
  • Part Description
    Latch Assembly, End Gate ; Latch, End Gate Lock
  • Replaces
    15107197, 15133752, 21998720
  • 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 Number15778435
    Part DescriptionLatch Assembly, End Gate ; Latch, End Gate Lock
    Other NamesLatch, Lock
    Item Dimensions6.0 x 5.7 x 5.5 inches
    Item Weight1.20 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces15107197, 15133752, 21998720
    ManufacturerGeneral Motors
    SKU15778435
    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 Trailblazer6 Cyl 4.2L, 8 Cyl 5.3L4 DOOR, 4 DOOR EXT
    2004-2005 GMC Envoy6 Cyl 4.2L, 8 Cyl 5.3L4 DOOR XUV
  • 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 15778435 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    What are the steps to replace the battery in the keyless entry system's remote control transmitter for the Door Lock of the 2004 Chevrolet Trailblazer? Posted by Hemanth K.
    A:
    To replace the battery in the remote control transmitter, carefully separate the case halves using a small screwdriver, replace the three-volt, lithium battery, and then snap the case halves together again. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Bob / Nov 21, 2025
    Q:
    How should the door and trunk locks, including the Trunk Latch, be lubricated for the 2004 Chevrolet Trailblazer? Posted by Raul Z.
    A:
    The door and trunk locks should be lubricated using spray-on graphite lubricant. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Fernando / Apr 27, 2026

Genuine GM Part 15778435, the Right Choice

To ensure reliability, purchase GM part # 15778435 End Gate Latch Assembly. It is sometimes referred to as GM Door Lock, GM Door Lock Actuator, GM Tailgate Latch, GM Tailgate Lock, GM Trunk Latch. 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 Trailblazer models. It fits GMC Envoy.

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