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GM 12558057 Cylinder Head Assembly (W/ Valve)

1996-2002 GM

Customer Questions & Expert Answers (11)
GM 12558057 Cylinder Head Assembly (W/ Valve)
GM 12558057 Cylinder Head Assembly (W/ Valve)
  • Part Description
    Head Assembly, Cyl (W/ Valve)
  • Replaces
    12529180
  • 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 GM
    Manufacturer Part Number12558057
    Part DescriptionHead Assembly, Cyl (W/ Valve)
    Other NamesCylinder Head
    Item Dimensions24.5 x 15.5 x 10.6 inches
    Item Weight45.50 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces12529180
    Require Quantity2
    ManufacturerGeneral Motors
    SKU12558057
    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
    1996-1999 Chevrolet C15008 Cyl 5.0LC1500 EXTENDED CAB LONG BOX, C1500 EXTENDED CAB STANDARD BOX, C1500 REGULAR CAB LONG BOX, C1500 REGULAR CAB STANDARD BOX
    1996-1999 Chevrolet C25008 Cyl 5.0LC2500 CREW CAB, C2500 EXTENDED CAB LONG BOX, C2500 EXTENDED CAB STANDARD BOX, C2500 REGULAR CAB
    1996-2002 Chevrolet Express8 Cyl 5.0L1/2 TON CARGO EXPRESS, 1/2 TON PASSENGER EXPRESS, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS
    1996-1999 Chevrolet K15008 Cyl 5.0LK1500 EXTENDED CAB LONG BOX, K1500 EXTENDED CAB STANDARD BOX, K1500 REGULAR CAB LONG BOX, K1500 REGULAR CAB STANDARD BOX
    1996-1999 Chevrolet K25008 Cyl 5.0LK2500 CREW CAB, K2500 EXTENDED CAB LONG BOX, K2500 EXTENDED CAB STANDARD BOX, K2500 REGULAR CAB
    1996-1999 Chevrolet Suburban1/2 TON, 3/4 TON
    1996-1999 Chevrolet TahoeCLASSIC 2 DOOR 1/2 TON, CLASSIC 4 DOOR 1/2 TON
    1996-1999 GMC C15008 Cyl 5.0LC1500 EXTENDED CAB LONG BOX, C1500 EXTENDED CAB STANDARD BOX, C1500 REGULAR CAB LONG BOX, C1500 REGULAR CAB STANDARD BOX
    1996-1999 GMC C25008 Cyl 5.0LC2500 CREW CAB, C2500 EXTENDED CAB LONG BOX, C2500 EXTENDED CAB STANDARD BOX, C2500 REGULAR CAB
    1996-1999 GMC K15008 Cyl 5.0LK1500 EXTENDED CAB LONG BOX, K1500 EXTENDED CAB STANDARD BOX, K1500 REGULAR CAB LONG BOX, K1500 REGULAR CAB STANDARD BOX
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  • 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 12558057 fits your vehicle.
    Posted by GMPartsGiant Specialist
    Q:
    What should be done before positioning new gaskets for the 1999 Chevrolet C1500? Posted by Customer
    A:
    Before positioning new gaskets over the dowel pins in the block, apply a thin coat of sealant to both sides if using a steel gasket, ensuring the raised bead faces up. Composition gaskets should be installed dry without sealant.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Cylinder Head
    Q:
    How can built-up scale be removed from the coolant passages for the 1989 Chevrolet C1500? Posted by Customer
    A:
    Remove built-up scale from the coolant passages and use a wire brush to clean the various holes and threaded holes.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Cylinder Head
    Q:
    How should the rocker arms and pivots be installed on the cylinder head studs for the 1992 Chevrolet C1500? Posted by Customer
    A:
    Install the rocker arms and pivots on the cylinder head studs, threading the nuts a few turns only.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Cylinder Head
    Q:
    Do the two head designs interchange as far as bolt patterns and accessory mounting are concerned for the 1992 Chevrolet C1500? Posted by Customer
    A:
    Yes, the two head designs interchange as far as bolt patterns and accessory mounting are concerned.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Cylinder Head
    Q:
    What preparations should be made before installing the new cylinder heads for the 2014 Chevrolet Express? Posted by Customer
    A:
    Ensure the mating surfaces of the cylinder heads and block are clean, using a gasket scraper and cleaning with lacquer thinner or acetone. Check for nicks or scratches on the mating surfaces, and if necessary, use a file or machining.
    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:
    What is the procedure for tightening the head bolts for the 2009 Chevrolet Express? Posted by Customer
    A:
    Tighten the head bolts finger tight and then follow the recommended sequence to tighten all bolts in four steps to the specified torque.
    Posted by GMPartsGiant Specialist
    Q:
    What are the components that need to be installed on the valve stem after the seals for the 1995 Chevrolet K1500? Posted by Customer
    A:
    After the seals, drop the spring seat or shims over the valve guide, then set the valve spring(s), shield, and retainer (or rotator) in place.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Cylinder Head
    Q:
    What should be done if the valve components are in good condition for the 1997 Chevrolet K1500? Posted by Customer
    A:
    If they are in good condition, reassemble the valve train components in the cylinder head without major servicing.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Cylinder Head
    Q:
    What is the purpose of creating a template on a piece of cardboard for the 1989 Chevrolet K1500? Posted by Customer
    A:
    The template is created by outlining the cylinders and bolt pattern on a piece of cardboard to serve as a reference for head bolt positions. It helps maintain the original positions of the head bolts.
    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 12558057, the Right Choice

To ensure reliability, purchase GM part # 12558057 Cylinder Head Assembly (W/ Valve). It is sometimes referred to as GM 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 Express, K2500, Tahoe models. It fits GMC C2500, Suburban, Yukon.

GMPartsGiant.com is a leading supplier of genuine GM parts and accessories such as GM 12558057 Cylinder Head Assembly (W/ Valve). 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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