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GM 12638399 Camshaft Assembly, Exh (Lh)

2011-2017 GM

Customer Questions & Expert Answers (10)
GM 12638399 Camshaft Assembly, Exh (Lh)
  • Part Description
    Camshaft Assembly, Exh (Lh)
  • Replaces
    12638171
  • Manufacturer
    General Motors
Make sure this part fits
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  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers
  • Product Specifications

    BrandGenuine GM
    Manufacturer Part Number12638399
    Part DescriptionCamshaft Assembly, Exh (Lh)
    Other NamesCamshaft
    Item Dimensions3.3 x 3.4 x 28.3 inches
    Item Weight4.80 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces12638171
    ManufacturerGeneral Motors
    SKU12638399
    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
    2011 Cadillac CTS6 Cyl 3.0L, 6 Cyl 3.6L2 DOOR COUPE, 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
    2011 Chevrolet Camaro6 Cyl 3.6L2 DOOR CONVERTIBLE, 2 DOOR COUPE
    2011 Chevrolet Equinox6 Cyl 3.0LLT SUV, LTZ SUV
    2011-2017 Chevrolet Traverse6 Cyl 3.6LSPORT UTILITY VEHICLE 2WD, SPORT UTILITY VEHICLE AWD
    2011-2017 GMC Acadia6 Cyl 3.6LSPORT UTILITY VEHICLE 2WD, SPORT UTILITY VEHICLE 4WD
    View More
  • Customer Questions & Expert Answers

    Q:
    I am wonder if this is complete and correct part for my vehicle. Posted by GMPartsGiant Specialist
    A:
    You can Select Your Vehicle to check if 12638399 fits your vehicle.
    Posted by GMPartsGiant Specialist
    Q:
    How are the camshaft bearing caps marked for the 2014 Buick Enclave? Posted by Customer
    A:
    The camshaft bearing caps are marked with numbers and letters, and there is a raised arrow indicating the front of the engine.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Camshaft
    Q:
    How should the camshaft seal be installed for the 2011 Cadillac CTS? Posted by Customer
    A:
    Coat the lip of the camshaft seal with clean engine oil, press it into the end of the bearing cap, and use a seal driver to ensure it is flush and square.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Camshaft
    Q:
    What should be done after removing the camshaft for the 2011 Cadillac CTS? Posted by Customer
    A:
    After cleaning and inspecting the camshaft for wear or damage, take it to a machine shop if necessary.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Camshaft
    Q:
    What special tools are required for the camshaft procedure for the 2011 Chevrolet Camaro? Posted by Customer
    A:
    Special timing chain holding tools EN 48383-2 and EN 48383-3 are necessary for this procedure. Without them, the timing chain cover must be removed to keep the chains attached to their lower sprockets.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Camshaft
    Q:
    How should the bearing cap bolts be tightened for the 2011 Chevrolet Equinox? Posted by Customer
    A:
    Tighten the bearing cap bolts in the correct sequence and re-torque as necessary.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Camshaft
    Q:
    What must be done with the camshaft caps during removal for the 2011 GMC Terrain? Posted by Customer
    A:
    Each camshaft cap must be marked for location and direction.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Camshaft
    Q:
    What is the method to determine bearing oil clearance for the 2011 GMC Terrain? Posted by Customer
    A:
    Determine the inside diameter of each bearing with an inside micrometer or bore gauge, calculating the bearing oil clearance by subtracting the camshaft bearing journal diameter from the corresponding bearing inside diameter. Excessive clearance will necessitate new bearings.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Camshaft
    Q:
    How are the camshaft bearing caps marked for the 2017 GMC Acadia? Posted by Customer
    A:
    The camshaft bearing caps are marked with numbers and letters, and there is a raised arrow indicating the front of the engine.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Camshaft
    Q:
    How are the camshaft bearing caps marked for the 2011 Chevrolet Traverse? Posted by Customer
    A:
    The camshaft bearing caps are marked with numbers and letters, and there is a raised arrow indicating the front of the engine.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Camshaft
    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

Genuine GM Part 12638399, the Right Choice

To ensure reliability, purchase GM part # 12638399 Camshaft Assembly, Exh (Lh). 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 CTS, SRX, STS. It also fits Chevrolet Camaro, Equinox, Traverse. This also fits GMC Acadia, Terrain.

GMPartsGiant.com is a leading supplier of genuine GM parts and accessories such as GM 12638399 Camshaft Assembly, Exh (Lh). You're certainly in the right place if you're searching for the great cost-effective OEM GM parts. Look no further than our vast inventory of genuine GM parts offered at unbeatable online prices, all of which are backed by the manufacturer's warranty. Not to forget, our hassle-free return policy and quick delivery service ensure a smooth shopping experience for you. For detailed GMC parts information, click here.

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