OE
Pack of 1
OE
Pack of 1
GM Genuine Parts Engine Piston
GM Part #12705528
About this product
GM Genuine Parts Engine Piston 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 Outside Diameter3.26 in / 82.69 mm
Skirt Length1.89 in / 48.1 mm
Piston Inside Diameter2.66 in / 67.63 mm
Ring Inside Diameter3.12 in / 79.31 mm
Piston Outside Diameter3.24 in / 82.33 mm
Ring MaterialIron
Piston MaterialAluminum
Piston Pin Incorporated BearingsNo
Skirt TypeFull
Piston Head TypeDish
Assembly Lubricant IncludedNo
Piston Pin Inside Diameter0.46 in / 11.8 mm
Piston Pin Outside Diameter0.83 in / 21 mm
Second Compression Ring Thickness0.06 in / 1 mm
Oil Ring Thickness0.06 in / 1.54 mm
Piston Pin Length1.89 in / 47.9 mm
Oil Spacer Ring Thickness0.03 in / 0.78 mm
Top Compression Ring Thickness0.05 in / 1.2 mm
ClassificationOE
Ring Outside Diameter3.26 in / 82.69 mm
Piston Inside Diameter2.66 in / 67.63 mm
Piston Outside Diameter3.24 in / 82.33 mm
Piston MaterialAluminum
Skirt TypeFull
Assembly Lubricant IncludedNo
Piston Pin Outside Diameter0.83 in / 21 mm
Oil Ring Thickness0.06 in / 1.54 mm
Oil Spacer Ring Thickness0.03 in / 0.78 mm
ClassificationOE
Skirt Length1.89 in / 48.1 mm
Ring Inside Diameter3.12 in / 79.31 mm
Ring MaterialIron
Piston Pin Incorporated BearingsNo
Piston Head TypeDish
Piston Pin Inside Diameter0.46 in / 11.8 mm
Second Compression Ring Thickness0.06 in / 1 mm
Piston Pin Length1.89 in / 47.9 mm
Top Compression Ring Thickness0.05 in / 1.2 mm
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.