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GM Genuine Parts Belt Idler Pulley
OE

GM Genuine Parts Belt Idler Pulley

GM Part #12739915

ACDelco Part #12739915

MSRP$53.58*

GM Genuine Parts Accessory Drive Belt Idler Pulleys are designed, engineered, and tested to rigorous standards, and are backed by General Motors.

  • Helps repair noisy idler pulley bearing
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle

About this product

GM Genuine Parts Accessory Drive Belt Idler Pulleys are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These accessory drive belt idler pulleys are part of the accessory drive belt system on the front of your engine. A pulley can be ribbed or smooth and contains a sealed ball-bearing. The idler pulley is used to divert the drive belt to components such as the alternator, water pump or power steering pump. 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 repair noisy idler pulley bearing
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
  • GM regularly updates production and service part designs to integrate new materials and technologies

ColorBlack
Width1.14 in / 29.08 mm
Mounting Hole Quantity1
Belt TypeSerpentine
Mounting Hole Diameter0.4 in / 10.2 mm
ClassificationOE
Outside Diameter2.97 in / 75.37 mm
Pulley Quantity1
Groove Quantity6
Pulley 1 FlangedYes
Pulley TypeGrooved
Bearing Bore Inside Diameter0.67 in / 17 mm
Bolt Diameter0.39 in / 10 mm
MaterialSteel
Heavy Duty UseYes
Bolt Head TypeHex

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)
Escalade2021, 2022, 2023, 2024, 2025, 2026
Escalade ESV2021, 2022, 2023, 2024, 2025, 2026