GM Genuine Parts Cylinder Head
OE
Pack of 1

GM Genuine Parts Cylinder Head

GM Part #12685691

ACDelco Part #12685691

MSRP$1,055.81*

GM Genuine Parts Engine Cylinder Head 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 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

Guide Plates IncludedNo
ClassificationOE
Exhaust Valve Diameter1.55 in / 39.37 mm
Intake Valve Diameter2in
Combustion Chamber Volume4.3363 po³ / 71.06
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)
Express 25002003, 2004, 2005, 2006, 2007
Express 35002003, 2004, 2005, 2006, 2007
Silverado 1500 HD2001, 2002, 2003, 2004, 2005, 2006
Silverado 1500 HD Classic2007
Silverado 25002001, 2002, 2003, 2004