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Chevrolet 12674218 Cylinder Head Assembly (Machining)

2012-2020 Chevrolet

Customer Questions & Expert Answers (3)
12674218 GM Cylinder Head Assembly (Machining) Illustration 1 of 1
  • Part Description
    Head Assembly, Cyl (Machining)
  • Replaces
    12629448
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Related Parts
  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine Chevrolet
    Manufacturer Part Number12674218
    Part DescriptionHead Assembly, Cyl (Machining)
    Other NamesCylinder Head
    Item Dimensions25.4 x 15.7 x 10.6 inches
    Item Weight32.30 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces12629448
    ManufacturerGeneral Motors
    SKU12674218
    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
    2012-2015 Chevrolet Camaro6 Cyl 3.6LLS 2 DOOR COUPE, LT 2 DOOR CONVERTIBLE, LT 2 DOOR COUPE
    2015-2016 Chevrolet Colorado6 Cyl 3.6LCREW CAB - 5'2" BOX, CREW CAB - 6'2" BOX, CREW CAB LS - 6'2" BOX, CREW CAB LT - 6'2" BOX, EXTENDED CAB - 6'2" BOX, LS CREW CAB - 5'2" BOX, LS EXTENDED CAB - 6'2" BOX, LT CREW CAB - 5'2" BOX, LT EXTENDED CAB - 6'2" BOX
    2013-2017 Chevrolet Equinox6 Cyl 3.6LLT SUV, LTZ SUV
    2012-2020 Chevrolet Impala6 Cyl 3.6LLS, LS 4 DOOR NOTCHBACK, LT 4 DOOR NOTCHBACK, LTZ, LTZ 4 DOOR NOTCHBACK
    2018-2019 Chevrolet Traverse6 Cyl 3.6LLS EXTENDED 4 DOOR SUV, LT EXTENDED 4 DOOR SUV, LTZ EXTENDED 4 DOOR SUV
  • 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 12674218 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    What should be checked on the surfaces, including the Cylinder Head, for the 2015 Chevrolet Camaro? Posted by Nurhassan D.
    A:
    Check these surfaces for nicks or scratches, removing slight imperfections with a file if necessary, and consult an automotive machine shop for excessive damage. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Jeremy / Nov 17, 2025
    Q:
    What is the first step to perform the procedure for the Cylinder Head on the 2012 Chevrolet Camaro? Posted by Kerwin J.
    A:
    Begin by disconnecting the cable from the negative battery terminal. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Jose / Aug 22, 2022

Genuine GM Part 12674218, the Right Choice

To ensure reliability, purchase GM part # 12674218 Cylinder Head Assembly (Machining). It is sometimes referred to as Chevrolet Cylinder Head. 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 Camaro, Equinox, Impala models.

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