GM Genuine Parts Driver Side Engine Piston
OE
Pack of 1

GM Genuine Parts Driver Side Engine Piston

GM Part #12654419

ACDelco Part #12654419

MSRP$162.04*

GM Genuine Parts Engine Pistons 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 Pistons 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

Assembly Lubricant IncludedNo
Piston MaterialAluminum
Piston Pin Incorporated BearingsNo
Skirt TypePartial
Piston Pin MaterialSteel
OversizedYes
Piston Head TypeDome
Skirt Length0.188 in / 4.78 mm
Piston Pin Inside Diameter0.697 in / 17.7 mm
Second Compression Ring Thickness0.058 in / 1.48 mm
Piston Pin Outside Diameter0.945 in / 24 mm
Oil Spacer Ring Thickness0.087 in / 2.2 mm
ClassificationOE
Piston Pin Length2.081 in / 52.85 mm
Ring Outside Diameter3.7 in / 93.97 mm
Ring Inside Diameter3.478 in / 88.35 mm
Oil Ring Thickness0.097 in / 2.46 mm
Top Compression Ring Thickness0.046 in / 1.18 mm
Piston Inside Diameter3.516 in / 89.3 mm
Piston Outside Diameter3.701 in / 94 mm
Ring MaterialSteel

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)
ATSLuxury, Performance, Premium2013, 2014, 2015
CTSBase, Luxury, Performance, Premium2012, 2013, 2014, 2015
SRX2012, 2013, 2014, 2015, 2016
XTS2013, 2014, 2015, 2016, 2017, 2018