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Hummer 12629062 Cylinder Head Assembly (W/ Valve)

2008 Hummer H2

Customer Questions & Expert Answers (13)
GM 12629062 Cylinder Head Assembly (W/ Valve)
GM 12629062 Cylinder Head Assembly (W/ Valve)
GM 12629062 Cylinder Head Assembly (W/ Valve)
GM 12629062 Cylinder Head Assembly (W/ Valve)
  • Part Description
    Head Assembly, Cyl (W/ Valve)
  • Replaced By
    12711770
  • Manufacturer
    General Motors
Make sure this part fits
$823.04 MSRP: $1306.42
You Save: $483.38 (37%)
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  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers

  • Related Parts

    Shop for related parts for your vehicle

  • Product Specifications

    BrandGenuine Hummer
    Manufacturer Part Number12629062
    Part DescriptionHead Assembly, Cyl (W/ Valve)
    Other NamesCylinder Head
    Item Dimensions22.3 x 9.0 x 6.5 inches
    Item Weight24.20 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Require Quantity2
    ManufacturerGeneral Motors
    SKU12629062
    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
    2008 Hummer H28 Cyl 6.2LPICKUP, SUV

  • 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 12629062 fits your vehicle.
    Posted by GMPartsGiant Specialist
    Q:
    What components need to be removed before the cylinder heads can be taken off for the 2008 Chevrolet Avalanche? Posted by Customer
    A:
    You should remove the intake manifold, coolant pipe, exhaust manifold(s), valve cover(s), rocker arms, pushrods, and coolant air bleed pipe.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Cylinder Head
    Q:
    What additional steps are required for removing the left cylinder head for the 2009 Chevrolet Avalanche? Posted by Customer
    A:
    For removing the left cylinder head, additional steps include removing the electrical junction block bracket, power steering pump bracket, ground wire, coolant temperature sensor, and additional spark plug wire support brackets.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Cylinder Head
    Q:
    What are the initial steps to remove the right cylinder head for the 2008 Chevrolet Suburban? Posted by Customer
    A:
    The initial steps to remove the right cylinder head include draining the cooling system and removing the intake manifold, valve covers, pushrods, and exhaust manifold(s).
    Posted by GMPartsGiant Specialist
    See expert answers on similar Cylinder Head
    Q:
    What should be done to ensure proper installation of the cylinder heads for the 2012 Chevrolet Silverado? Posted by Customer
    A:
    Ensure the cylinder heads and block mating surfaces are clean and free of debris. Use a gasket scraper and brake system cleaner to clean surfaces, and check for any damage that may require machining.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Cylinder Head
    Q:
    How should the new gaskets be positioned during installation for the 2009 Chevrolet Silverado? Posted by Customer
    A:
    The new gaskets should be positioned over the dowel pins during installation.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Cylinder Head
    Q:
    What additional steps should be taken after completing the installation for the 2008 Chevrolet Suburban? Posted by Customer
    A:
    Add coolant, change the oil and filter, start the engine, and check for proper operation and leaks.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Cylinder Head
    Q:
    How should the head bolts be loosened before removing the cylinder heads for the 2011 Chevrolet Tahoe? Posted by Customer
    A:
    Loosen the head bolts incrementally in reverse order of the tightening sequence until they can be removed by hand.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Cylinder Head
    Q:
    What additional steps are required for removing the left cylinder head for the 2013 Chevrolet Tahoe? Posted by Customer
    A:
    For removing the left cylinder head, additional steps include removing the electrical junction block bracket, power steering pump bracket, ground wire, coolant temperature sensor, and additional spark plug wire support brackets.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Cylinder Head
    Q:
    What final steps should be taken after installing the cylinder heads for the 2011 GMC Sierra? Posted by Customer
    A:
    After installing the cylinder heads, the final steps include changing the engine oil and filter, and checking for any leaks after starting the engine.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Cylinder Head
    Q:
    How should the cylinder head bolts be loosened for the 2010 GMC Yukon? Posted by Customer
    A:
    The cylinder head bolts should be loosened in a specific pattern.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Cylinder Head
    Q:
    How should the head bolts be tightened during installation for the 2013 GMC Sierra? Posted by Customer
    A:
    Tighten the head bolts to specified torque in the recommended sequence.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Cylinder Head
    Q:
    How should the new gaskets be positioned during installation for the 2010 GMC Yukon? Posted by Customer
    A:
    Position new gaskets on the dowels in the block, place the heads on the block without disturbing the gaskets.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Cylinder Head
    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 12629062, the Right Choice

Your vehicle deserves only genuine OEM GM parts and accessories. To ensure reliability, purchase GM part # 12629062 Cylinder Head Assembly (W/ Valve). It is sometimes referred to as Hummer Cylinder Head. Our GM parts and accessories are expedited directly from authorized GM dealers strategically located all across the U.S. and are backed by the manufacturer's 12 month, 12,000 mile warranty. OEM GM parts are the best for restoring your vehicle to factory condition performance. This part fits specific Hummer H2 models.

Affordable, reliable and built to last, GM part # 12629062 Cylinder Head Assembly (W/ Valve) stands out as the smart option. GMPartsGiant.com is your prime online source with the biggest and best selection of genuine GM parts and accessories at giant discounted prices. We have the OEM GM parts and accessories you need at the wholesale prices. GMPartsGiant.com has you covered no matter what type of GM vehicle you drive. For detailed Hummer parts information, click here.

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