GM Genuine Parts Valve Rocker Arm Cover
OE

GM Genuine Parts Valve Rocker Arm Cover

GM Part #12742397

ACDelco Part #12742397

MSRP$312.13*

GM Genuine Parts GM Genuine Parts Engine Valve Covers are designed, engineered, and tested to rigorous standards, and are backed by General Motors.

  • Helps protect valve train components from debris
  • Helps protect oil leaks while valve train is being lubricated
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)

About this product

GM Genuine Parts GM Genuine Parts Engine Valve Covers are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These valve covers help protect the valve train components and help prevent oil leaks from the valve train.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

  • Helps protect valve train components from debris
  • Helps protect oil leaks while valve train is being lubricated
  • 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

Mounting Hardware IncludedNo
Grommets IncludedNo
ClassificationOE
Oil Filler Cap IncludedNo
Hold Down Tabs IncludedNo
Valve Cover TypeShort
Contains Oil BafflesNo
ConstructionCast
Universal Or Specific FitSpecific
Mounting LocationPerimeter
Grade TypeStandard Replacement

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.

Before purchasing and installing an engine valve cover, make sure it is the correct fit for your vehicle.

  • Keep oil changed and oil level full.
  • Do not overtighten valve cover bolts.
  • Be sure gasket is secure to valve cover before installation.
  • Regularly inspect engine valve cover for signs of damage or wear and replace them if signs of damage are found.

Signs of wear for engine valve covers include but are not limited to:

  • Low oil level
  • Burnt oil smell
  • Smoke from engine compartment
  • Signs of oil leaking on engine block or under engine compartment

ModelBody StyleTrimYear(s)
C25001991, 1992, 1993, 1994, 1995
C2500 Suburban1992, 1993, 1994, 1995
C35001991, 1992, 1993, 1994, 1995
C3500HD1991, 1992, 1993, 1994, 1995
C5000 TopkickCab & Chassis - Conventional1990, 1991

Frequently Asked Questions

Yes. Consult product information for proper torque specs.

No. Once a valve cover is tightened the gasket is compressed and should be replaced.