Make sure this part fits

GM 12580991 Transaxle Assembly, Man (4.17 Ratio)

2006-2007 Chevrolet HHR

Customer Questions & Expert Answers (2)
12580991 GM Transaxle Assembly, Man (4.17 Ratio)
  • Part Description
    TRANSAXLE, Automatic
  • 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 Number12580991
    Part DescriptionTRANSAXLE, Automatic
    Other NamesTransaxle
    Item Dimensions26.8 x 24.2 x 16.7 inches
    Item Weight97.80 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU12580991
    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
    2006-2007 Chevrolet HHR4 Cyl 2.2L, 4 Cyl 2.4L5 DOOR HIGH ROOF HATCHBACK, 5 DOOR HIGH ROOF PANEL, 5 DOOR UPLEVEL HIGH ROOF HATCHBACK, 5 DOOR UPLEVEL HIGH ROOF PANEL
  • 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 12580991 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    What is important to determine in the event of a problem occurring with the Transmission Assembly of the automatic transaxle for the 2006 Chevrolet HHR? Posted by Eason K.
    A:
    It is important to determine whether the fault is electrical, mechanical, or hydraulic. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Henry / Jul 11, 2025

Genuine GM Part 12580991, the Right Choice

To ensure reliability, purchase GM part # 12580991 Transaxle Assembly, Man (4.17 Ratio). 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 HHR models.

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