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GMC 12479125 Axle Shafts

2002-2009 GMC Envoy

Customer Questions & Expert Answers (3)
12479125 GM Axle Shafts Product Photo 1 of 3
  • Part Description
    Shaft, Front Axle
  • Position
    Front Inner
  • Manufacturer
    General Motors
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  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine GMC
    Manufacturer Part Number12479125
    Part DescriptionAxle Shafts; Shaft, Front Axle
    Item Dimensions13.5 x 4.5 x 4.4 inches
    Item Weight4.70 Pounds
    PositionFront Inner
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU12479125
    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
    2002-2009 GMC Envoy6 Cyl 4.2L, 8 Cyl 5.3L4 DOOR, 4 Door XL, 4 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 12479125 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    What is the procedure for installation of the Axle Shaft for the 2005 Chevrolet Trailblazer? Posted by Tri L.
    A:
    For installation, reverse the removal steps, lubricating the splines on the stub shaft with multi-purpose grease before installing a new driveaxle/hub nut and tightening it to the specified torque, along with the suspension fasteners and wheel lug nuts. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Xavier / Oct 17, 2022
    Q:
    What is the first step in the process of removing the wheel, brake disc, and Axle Shaft for the 2008 Chevrolet Trailblazer? Posted by Zackary M.
    A:
    Loosen the rear wheel lug nuts, raise the rear of the vehicle, support it securely on jackstands, and block the front wheels. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Bob / Dec 10, 2025

Genuine GM Part 12479125, the Right Choice

To ensure reliability, purchase GM part # 12479125 Axle Shafts. It is sometimes referred to as GMC Axle Shaft. 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 Envoy models.

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