GM Genuine Parts Engine Camshaft
OE
Pack of 1

GM Genuine Parts Engine Camshaft

GM Part #12638804

ACDelco Part #12638804

MSRP$396.63*

GM Genuine Parts Engine Camshafts 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 Camshafts 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

Lifter TypeHydraulic Roller
Cam TypeHydraulic Roller
ClassificationOE
Intake Valve Lash0 in / 0 mm
Exhaust Valve Lash0 in / 0 mm
Intake Valve Lift with Factory Rocker Arm Ratio0.38 in / 9.652 mm
Exhaust Valve Lift with Factory Rocker Arm Ratio0.382 in / 9.703 mm
Computer Controlled CompatibleYes

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 25002011, 2012, 2013, 2014, 2015, 2016
Express 35002011, 2012, 2013, 2014, 2015, 2016
Express 45002011, 2012, 2013, 2014, 2015, 2016
Silverado 2500 HD2011, 2012, 2013, 2014, 2015, 2016
Silverado 3500 HD2011, 2012, 2013, 2014, 2015, 2016