GM Genuine Parts Driver Side Piston
OE
Pack of 1

GM Genuine Parts Driver Side Piston

GM Part #12699529

ACDelco Part #12699529

MSRP$77.48*

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

Piston Head TypeDish
Skirt TypePartial
Piston Pin MaterialSteel
Piston Pin Incorporated BearingsNo
Piston MaterialAluminum
ClassificationOE
Skirt Length2.24 in / 56.93 mm
Piston Pin Length2.28 in / 58 mm
Piston Inside Diameter3.9 in / 99 mm
Piston Outside Diameter4.06 in / 103.23 mm
Piston Pin Inside Diameter0.53 in / 13.58 mm
Piston Pin Outside Diameter0.86 in / 21.96 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.

ModelBody StyleTrimYear(s)
Express 25002021, 2022, 2023, 2024, 2025, 2026
Express 35002021, 2022, 2023, 2024, 2025, 2026
Express 45002021, 2022, 2023, 2024, 2025, 2026
LCF 35002020, 2021, 2022, 2023
LCF 3500HG2024, 2025, 2026