GM Genuine Parts Crankshaft
OE
Pack of 1

GM Genuine Parts Crankshaft

GM Part #12712274

ACDelco Part #12712274

MSRP$564.21*

GM Genuine Parts Engine Crankshafts are designed, engineered, and tested to rigorous standards, and are backed by General Motors.

  • Helps in the balancing of the engine with the use of weights
  • One solid piece usually made of cast iron or forged steel
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)

Pack of 1

About this product

GM Genuine Parts Engine Crankshafts are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These crankshafts convert the up and down motion of the piston to a rotation motion that transfers through the gearbox to move the wheels.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

  • Helps in the balancing of the engine with the use of weights
  • One solid piece usually made of cast iron or forged steel
  • 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

Length19.37 in / 492.1 mm
ClassificationOE
Main Journal Diameter2.01 in / 51 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.

Before purchasing and installing an engine crankshaft, make sure it is the correct fit for your vehicle.

  • Keep oil changed as manufacturer recommends for accurate lubrication.
  • Keep oil level full.
  • Keep coolant level full to prevent overheating of engine.

Before purchasing and installing an engine crankshaft, make sure it is the correct fit for your vehicle.

  • Keep oil changed as manufacturer recommends for accurate lubrication.
  • Keep oil level full.
  • Check engine light on

ModelBody StyleTrimYear(s)
CT4Premium Luxury, V2020, 2021, 2022, 2023, 2024, 2025, 2026

Frequently Asked Questions

Yes, always consult the Vehicle Owner’s manual or an expert technician before making any repairs or adjustments.

No, consult a parts technician or catalogue for the proper manufactured crankshaft for your specifications.

Yes, it may run a short time but the possibility of doing greater internal engine damage is likely.

Possible causes lack of lubrication, overheating engine, holding engine above max RPMs for long periods of time.