Make sure this part fits

GM 84791977 Composite Assembly

2013-2015 GMC Terrain

Customer Questions & Expert Answers (3)
84791977 GM Composite Assembly Illustration 1 of 1
  • Part Description
    Headlamp, Capsule/Headlamp/Fog Lamp
  • Position
    Front
  • Replaces
    23319182, 22915383
  • Manufacturer
    General Motors
Make sure this part fits
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  • Related Parts
  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine GM
    Manufacturer Part Number84791977
    Part DescriptionComposite Assembly; Headlamp, Capsule/Headlamp/Fog Lamp
    Item Dimensions28.5 x 18.5 x 13.2 inches
    Item Weight8.30 Pounds
    PositionFront
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces23319182, 22915383
    ManufacturerGeneral Motors
    SKU84791977
    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
    2013-2015 GMC Terrain4 Cyl 2.4L, 6 Cyl 3.6LSLT SUV
  • Customer Questions & Expert Answers

    Q:
    Do these parts fit my vehicle?
    A:
    You can Select Your Vehicle to check if 84791977 fits your vehicle.
    Posted and answered by GM Parts Specialist Raul
    Q:
    What conditions should the 2014 GMC Terrain be in for Headlight adjustment? Posted by Verified Customer
    A:
    The vehicle should be sitting level, the gas tank should be half-full, and there should be no unusually heavy load in the vehicle. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Bob / Jan 23, 2025
    Q:
    What is the first step in disconnecting the cable from the negative battery terminal for the 2015 GMC Terrain when replacing the Headlight? Posted by Calen Q.
    A:
    Disconnect the cable from the negative battery terminal. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Fernando / Apr 16, 2025

Genuine GM Part 84791977, the Right Choice

To ensure reliability, purchase GM part # 84791977 Composite Assembly. It is sometimes referred to as GM Headlight. 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 GMC Terrain models.

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