Make sure this part fits

Pontiac 12455009 Ring

2004-2009 Pontiac

Customer Questions & Expert Answers (2)
12455009 GM Ring Product Photo 1 of 2
  • Part Description
    Ring, Transmission Synchronizer
  • Replaces
    89059475
  • Manufacturer
    General Motors
Make sure this part fits
$188.70 MSRP: $199.81
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  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine Pontiac
    Manufacturer Part Number12455009
    Part DescriptionRing; Ring, Transmission Synchronizer
    Item Dimensions4.1 x 4.2 x 1.0 inches
    Item Weight0.60 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces89059475
    ManufacturerGeneral Motors
    SKU12455009
    Shipping & ReturnShipping Policy Return Policy
    Warning: California's Proposition 65
  • Vehicle Fitment

    Year Make Model Engine Important vehicle option details
    2009 Pontiac G86 Cyl 3.6L, 8 Cyl 6.0L, 8 Cyl 6.2L4 DOOR SEDAN
    2004-2006 Pontiac GTO8 Cyl 5.7L, 8 Cyl 6.0LGTO
  • 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 12455009 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    Is this for a 1st to 2nd gear? Posted by Verified Customer / 2002 Chevrolet Corvette
    A:
    12455009 IS FOR 1ST AND 2ND GEAR PER GM.....PART FITS PER VIN#......
    Answered by GM Parts Specialist Henry / Oct 21, 2025

Genuine GM Part 12455009, the Right Choice

To ensure reliability, purchase GM part # 12455009 Ring. It is sometimes referred to as Pontiac Synchronizer Ring. 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 Pontiac G8, GTO models.

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