
OE
Pack of 1
OE
Pack of 1
GM Genuine Parts Driver Side Engine Piston
GM Part #12616971
ACDelco Part #12616971
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
Ring Inside Diameter3.478 in / 88.35 mm
Ring Outside Diameter3.7 in / 93.97 mm
Piston Pin Outside Diameter3.701 in / 94 mm
Piston Pin Length2.081 in / 52.85 mm
Piston Pin Inside Diameter2.205 in / 56 mm
Skirt Length0.18 in / 4.57 mm
Piston Inside Diameter0.518 in / 13.15 mm
Piston Outside Diameter0.945 in / 24 mm
Top Compression Ring Thickness0.046 in / 1.18 mm
Oil Ring Thickness0.097 in / 2.46 mm
Oil Spacer Ring Thickness0.037 in / 0.93 mm
ClassificationOE
Second Compression Ring Thickness0.058 in / 1.48 mm
Skirt TypePartial
Piston Pin MaterialSteel
Piston Pin Incorporated BearingsNo
Piston MaterialAluminum
Piston Head TypeDome
Assembly Lubricant IncludedNo
OversizedNo
Ring MaterialSteel
Ring Outside Diameter3.7 in / 93.97 mm
Piston Pin Length2.081 in / 52.85 mm
Skirt Length0.18 in / 4.57 mm
Piston Outside Diameter0.945 in / 24 mm
Oil Ring Thickness0.097 in / 2.46 mm
ClassificationOE
Skirt TypePartial
Piston Pin Incorporated BearingsNo
Piston Head TypeDome
OversizedNo
Ring Inside Diameter3.478 in / 88.35 mm
Piston Pin Outside Diameter3.701 in / 94 mm
Piston Pin Inside Diameter2.205 in / 56 mm
Piston Inside Diameter0.518 in / 13.15 mm
Top Compression Ring Thickness0.046 in / 1.18 mm
Oil Spacer Ring Thickness0.037 in / 0.93 mm
Second Compression Ring Thickness0.058 in / 1.48 mm
Piston Pin MaterialSteel
Piston MaterialAluminum
Assembly Lubricant IncludedNo
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.
