
OE
Pack of 1
OE
Pack of 1
GM Genuine Parts Driver Side Engine Piston
GM Part #12654419
ACDelco Part #12654419
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: 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
Ring MaterialSteel
Piston Outside Diameter3.701 in / 94 mm
Top Compression Ring Thickness0.046 in / 1.18 mm
Piston Inside Diameter3.516 in / 89.3 mm
Oil Ring Thickness0.097 in / 2.46 mm
Ring Outside Diameter3.7 in / 93.97 mm
Ring Inside Diameter3.478 in / 88.35 mm
Piston Pin Length2.081 in / 52.85 mm
ClassificationOE
Oil Spacer Ring Thickness0.087 in / 2.2 mm
Skirt Length0.188 in / 4.78 mm
Piston Pin Inside Diameter0.697 in / 17.7 mm
Piston Pin Outside Diameter0.945 in / 24 mm
Second Compression Ring Thickness0.058 in / 1.48 mm
Piston Head TypeDome
OversizedYes
Skirt TypePartial
Piston Pin MaterialSteel
Piston Pin Incorporated BearingsNo
Piston MaterialAluminum
Assembly Lubricant IncludedNo
Ring MaterialSteel
Top Compression Ring Thickness0.046 in / 1.18 mm
Oil Ring Thickness0.097 in / 2.46 mm
Ring Inside Diameter3.478 in / 88.35 mm
ClassificationOE
Skirt Length0.188 in / 4.78 mm
Piston Pin Outside Diameter0.945 in / 24 mm
Piston Head TypeDome
Skirt TypePartial
Piston Pin Incorporated BearingsNo
Assembly Lubricant IncludedNo
Piston Outside Diameter3.701 in / 94 mm
Piston Inside Diameter3.516 in / 89.3 mm
Ring Outside Diameter3.7 in / 93.97 mm
Piston Pin Length2.081 in / 52.85 mm
Oil Spacer Ring Thickness0.087 in / 2.2 mm
Piston Pin Inside Diameter0.697 in / 17.7 mm
Second Compression Ring Thickness0.058 in / 1.48 mm
OversizedYes
Piston Pin MaterialSteel
Piston 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.
