Make sure this part fits

GM 12638173 Camshaft

2011-2019 GM

Customer Questions & Expert Answers (3)
12638173 GM Camshaft Illustration 1 of 1
  • Part Description
    Camshaft, Engine
  • Replaced By
    12638406
  • Manufacturer
    General Motors
Make sure this part fits
$105.12 MSRP: $156.71
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  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine GM
    Manufacturer Part Number12638173
    Part DescriptionCamshaft; Camshaft, Engine
    Item Dimensions28.7 x 3.3 x 3.4 inches
    Item Weight4.20 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU12638173
    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
    2011 Buick Allure6 Cyl 3.6LCX 4 DOOR SEDAN, CXL 4 DOOR SEDAN, CXS 4 DOOR SEDAN
    2011-2017 Buick Enclave6 Cyl 3.6LSPORT UTILITY VEHICLE 2WD, SPORT UTILITY VEHICLE AWD
    2011 Buick LaCrosse6 Cyl 3.6LCX 4 DOOR SEDAN, CXL 4 DOOR SEDAN, CXS 4 DOOR SEDAN
    2016-2019 Cadillac ATS6 Cyl 3.6LV-SERIES 2 DOOR COUPE, V-SERIES 4 DOOR SEDAN
    2011-2019 Cadillac CTS6 Cyl 3.0L, 6 Cyl 3.6L2 DOOR COUPE, 4 DOOR PREMIUM SEDAN, 4 DOOR SEDAN, 4 DOOR SEDAN(RHD), 4 DOOR WAGON, 4 DOOR WAGON(RHD)
    2011 Cadillac SRX6 Cyl 3.0LCROSSOVER 4 DOOR
    2011 Cadillac STS6 Cyl 3.6L4 DOOR
    2014-2019 Cadillac XTS6 Cyl 3.6LPLATINUM 4 DOOR NOTCHBACK, PREMIUM 4 DOOR NOTCHBACK
    2011 Chevrolet Camaro6 Cyl 3.6L2 DOOR CONVERTIBLE, 2 DOOR COUPE
    2012-2015 Chevrolet Captiva Sport6 Cyl 3.0LSPORT LT FWD
    View More
  • 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 12638173 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    What steps should be taken to clean and inspect the Camshaft for the 2012 Chevrolet Equinox? Posted by Kiowa S.
    A:
    Clean the camshaft, inspect the bearing journals, measure for wear, and check the camshaft lobes for any damage. Inspect the camshaft bearings in the block and measure the bearing oil clearance; excessive clearance necessitates new bearings, which require professional installation. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Fernando / Nov 06, 2025
    Q:
    How are the Camshaft bearing caps marked for the 2017 GMC Acadia? Posted by Kelli F.
    A:
    The camshaft bearing caps are marked with numbers and letters, and there is a raised arrow indicating the front of the engine. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Xavier / Aug 03, 2023

Genuine GM Part 12638173, the Right Choice

To ensure reliability, purchase GM part # 12638173 Camshaft. It is sometimes referred to as GM Camshaft. 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 Buick Allure, Enclave, LaCrosse models. It fits Cadillac ATS, CTS, SRX. It also fits Chevrolet Camaro, Equinox, Traverse. This also fits GMC Acadia, Terrain.

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