GM Genuine Parts Stock replacement valve for Gen V and Gen VI 454 and 502 HO engines
OE
Pack of 1

GM Genuine Parts Stock replacement valve for Gen V and Gen VI 454 and 502 HO engines

GM Part #12556317

ACDelco Part #12556317

MSRP$61.15*

GM Genuine Parts Engine Intake Valves 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 Intake Valves 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

Stem Diameter2.19mm
OversizedNo
Valve MaterialStainless Steel
Coated FinishYes
Lock Groove Quantity1
Valve Head Diameter2.19 in / 55.63 mm
Length5.14 in / 130.64 mm
ClassificationOE
Seat Angle45°
Locks IncludedNo
Grade TypePerformance
MaterialStainless Steel

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)
C3500HD2001, 2002
C4500 Topkick2003, 2004, 2005, 2006, 2007, 2008, 2009
C5500 Topkick2003, 2004, 2005, 2006, 2007, 2008, 2009
C6500 TopkickCab & Chassis - Conventional2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
C7500 TopkickCab & Chassis - Conventional2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009