
OE
Pack of 1
OE
Pack of 1
GM Genuine Parts Engine Piston with Pin and Retainers
GM Part #12710889
ACDelco Part #12710889
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
Piston Head TypeDish
Piston MaterialAluminum
Skirt TypePartial
Piston Pin MaterialSteel
Piston Pin Incorporated BearingsNo
Oil Ring Thickness0.08 in / 1.92 mm
Second Compression Ring Thickness0.05 in / 1.2 mm
Piston Pin Inside Diameter0.41 in / 10.5 mm
Piston Pin Outside Diameter0.75 in / 19 mm
Skirt Length1.76 in / 44.6 mm
Piston Pin Length1.85 in / 47.1 mm
Ring Inside Diameter2.76 in / 70.2 mm
Piston Inside Diameter2.83 in / 72 mm
Ring Outside Diameter2.91 in / 74 mm
Piston Outside Diameter2.95 in / 74.94 mm
ClassificationOE
Top Compression Ring Thickness0.05 in / 1.2 mm
Piston Head TypeDish
Skirt TypePartial
Piston Pin Incorporated BearingsNo
Second Compression Ring Thickness0.05 in / 1.2 mm
Piston Pin Outside Diameter0.75 in / 19 mm
Piston Pin Length1.85 in / 47.1 mm
Piston Inside Diameter2.83 in / 72 mm
Piston Outside Diameter2.95 in / 74.94 mm
Top Compression Ring Thickness0.05 in / 1.2 mm
Piston MaterialAluminum
Piston Pin MaterialSteel
Oil Ring Thickness0.08 in / 1.92 mm
Piston Pin Inside Diameter0.41 in / 10.5 mm
Skirt Length1.76 in / 44.6 mm
Ring Inside Diameter2.76 in / 70.2 mm
Ring Outside Diameter2.91 in / 74 mm
ClassificationOE
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.
