GM Genuine Parts Cylinder Head
OE
Pack of 1

GM Genuine Parts Cylinder Head

GM Part #12684528

ACDelco Part #12684528

MSRP$1,390.28*

GM Genuine Parts Engine Cylinder Head Assemblies are designed, engineered, and tested to rigorous standards, and are backed by General Motors.

  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors.
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle

Pack of 1

About this product

GM Genuine Parts Engine Cylinder Head Assemblies are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Warning WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors.
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies

Head Casting Number12657191
Guide Plates IncludedNo
Exhaust Valve Diameter1.14 in / 29 mm
Intake Valve Diameter1.42 in / 36 mm
Length21.19 in / 538.2 mm
ClassificationOE
Width12.63 in / 320.82 mm
Valve Stem Diameter0.234 in / 5.955 mm
MaterialAluminum

24 Months/Unlimited Miles Limited Warranty for Parts (plus Labor if installed by a GM dealer)

Please visit our warranty page on Gmparts.com for full warranty details.

ModelBody StyleTrimYear(s)
ImpalaLS, LT, LTZ2014
MalibuLS, LT, LTZ2014