Make sure this part fits

Buick 12578925 Cylinder Head

2004 Buick Rainier

Customer Questions & Expert Answers (6)
GM 12578925 Cylinder Head
  • Part Description
    Head,Cyl
  • Replaces
    12563680, 12559864
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
$538.50 MSRP: $854.96
You Save: $316.46 (38%)
Currently Unavailable

Due to manufacturer supply shortage, this item isn’t currently available for ordering.

  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers
  • Product Specifications

    BrandGenuine Buick
    Manufacturer Part Number12578925
    Part DescriptionHead,Cyl
    Item Dimensions9.0 x 6.8 x 21.2 inches
    Item Weight21.60 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces12563680, 12559864
    ManufacturerGeneral Motors
    SKU12578925
    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
    2004 Buick Rainier8 Cyl 5.3L4 DOOR
  • 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 12578925 fits your vehicle.
    Posted by GMPartsGiant Specialist
    Q:
    What additional steps are required for the right cylinder head for the 2000 Chevrolet Express? Posted by Customer
    A:
    Detach the alternator mounting bracket and, for 2018 and later 4.3L engines, remove the fuel rail and injectors.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Cylinder Head
    Q:
    How should the new gaskets be positioned for the 2014 Chevrolet Express? Posted by Customer
    A:
    Position the new gaskets over the dowels in the block, then carefully place the heads on the block without disturbing the gaskets.
    Posted by GMPartsGiant Specialist
    Q:
    What specific steps should be taken for the 2006 Chevrolet Trailblazer? Posted by Customer
    A:
    For 2004 and earlier models, remove the knock sensors from the valley cover, then take off the mounting screws to remove the valley cover and gasket.
    Posted by GMPartsGiant Specialist
    Q:
    What is the procedure for installing the cylinder head for the 2004 Chevrolet Trailblazer? Posted by Customer
    A:
    Place the cylinder head on the block, install and hand tighten the new cylinder head bolts, then tighten them in sequence to the specified torque.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Cylinder Head
    Q:
    Are these Castech Heads? Where are they sourced from? Posted by Customer: 2001 Light Truck Silverado / Sierra - 03, 43, 53 Bodystyle (4WD / AWD)
    A:
    Part is Genuine GM product. No info available as to where they are sourced from.
    Posted by GMPartsGiant Specialist 28/1/2020
    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 12578925, the Right Choice

To ensure reliability, purchase GM part # 12578925 Cylinder Head. It is sometimes referred to as Buick 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 Buick Rainier models.

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