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GMC 12511388 Cylinder Head Assembly (W/Prechamber)

1992-1993 GMC

Customer Questions & Expert Answers (9)
GM 12511388 Cylinder Head Assembly (W/Prechamber)
GM 12511388 Cylinder Head Assembly (W/Prechamber)
  • Part Description
    Head Assembly, Engine Cylinder 6.5L (W/Prechamber) ; Head, Engine Cylinder
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers

  • Related Parts

    Shop for related parts for your vehicle

  • Product Specifications

    BrandGenuine GMC
    Manufacturer Part Number12511388
    Part DescriptionHead Assembly, Engine Cylinder 6.5L (W/Prechamber) ; Head, Engine Cylinder
    Item Dimensions23.6 x 15.3 x 11.7 inches
    Item Weight64.20 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Require Quantity2
    ManufacturerGeneral Motors
    SKU12511388
    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
    1992-1993 GMC C1500C1500 EXTENDED CAB LONG BOX, C1500 EXTENDED CAB STANDARD BOX, C1500 REGULAR CAB LONG BOX, C1500 REGULAR CAB STANDARD BOX
    1992-1993 GMC C25008 Cyl 6.5L DieselC2500 EXTENDED CAB LONG BOX, C2500 EXTENDED CAB STANDARD BOX, C2500 REGULAR CAB
    1992-1993 GMC C35008 Cyl 6.5L DieselC3500 CAB CHASSIS 135.5, C3500 CAB CHASSIS 159.9, C3500 CAB CHASSIS 183.5, C3500 CREW CAB LONG WHEELBASE, C3500 EXTENDED CAB, C3500 REGULAR CAB
    1992-1993 GMC K1500K1500 EXTENDED CAB LONG BOX, K1500 EXTENDED CAB STANDARD BOX, K1500 REGULAR CAB LONG BOX, K1500 REGULAR CAB STANDARD BOX
    1992-1993 GMC K25008 Cyl 6.5L DieselK2500 EXTENDED CAB LONG BOX, K2500 EXTENDED CAB STANDARD BOX, K2500 REGULAR CAB
    1992-1993 GMC K35008 Cyl 6.5L DieselK3500 CAB CHASSIS 135.5, K3500 CAB CHASSIS 159.9, K3500 CREW CAB LONG WHEELBASE, K3500 EXTENDED CAB, K3500 REGULAR CAB
    1992-1993 GMC Suburban3/4 TON

  • 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 12511388 fits your vehicle.
    Posted by GMPartsGiant Specialist
    Q:
    How is the adapter used in checking for leaks for the 1996 Chevrolet C1500? Posted by Customer
    A:
    The adapter is attached to each valve retainer or rotator, and vacuum is applied with a hand pump.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Cylinder Head
    Q:
    What should be done if a valve binds in the guide for the 1994 Chevrolet C1500? Posted by Customer
    A:
    If a valve binds in the guide, it should be pushed back into the head and the area around the keeper groove should be deburred with a fine file or whetstone.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Cylinder Head
    Q:
    What is the recommended approach for loosening the head bolts for the 1996 Chevrolet C1500? Posted by Customer
    A:
    Loosen the head bolts in 1/4-turn increments until they can be removed by hand, working in a reverse pattern of the tightening sequence. Store the bolts in the cardboard holder to retain their original positions.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Cylinder Head
    Q:
    What parts should be cleaned with solvent and dried thoroughly for the 1993 Chevrolet C1500? Posted by Customer
    A:
    Clean the rocker arm pivot stud threads, cylinder head, rocker arms, pushrods, valve springs, shields, keepers, and retainers with solvent and dry them thoroughly.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Cylinder Head
    Q:
    What should be done before removing the valves for the 1989 Chevrolet K1500? Posted by Customer
    A:
    Before removing the valves, it is important to label and store them, along with their related components, so they can be kept separate and reinstalled in the same valve guides they are removed from.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Cylinder Head
    Q:
    How is the adapter used in checking for leaks for the 1993 Chevrolet K1500? Posted by Customer
    A:
    The adapter is attached to each valve retainer or rotator, and vacuum is applied with a hand pump.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Cylinder Head
    Q:
    How should the heads be stored after removal for the 1988 Chevrolet K1500? Posted by Customer
    A:
    Store the heads on blocks of wood to protect the gasket sealing surfaces.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Cylinder Head
    Q:
    What components should be checked for wear, damage, and proper installation for the 1995 Chevrolet K1500? Posted by Customer
    A:
    Check the valve seats, valve stem-to-guide clearance, valve faces, valve stem, margin width, valve spring wear, spring retainers and keepers, rocker arm faces, pivot contact areas, pushrod ends, rocker arm studs, and guide plates for wear, damage, and proper installation.
    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 12511388, the Right Choice

Your vehicle deserves only genuine OEM GM parts and accessories. To ensure reliability, purchase GM part # 12511388 Cylinder Head Assembly (W/Prechamber). It is sometimes referred to as GMC 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 GMC C2500, K1500, Suburban models.

Affordable, reliable and built to last, GM part # 12511388 Cylinder Head Assembly (W/Prechamber) 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 GMC parts information, click here.

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