GM Genuine Parts Alternator
OE
Pack of 1

GM Genuine Parts Alternator

GM Part #13507127

ACDelco Part #13507127

MSRP$666.10*

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

  • Newly manufactured as an exact replacement for your GM vehicle's original alternator
  • 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

Pack of 1

About this product

GM Genuine Parts Alternators are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These alternators provide power to the vehicle's electrical systems and charge the battery while the engine is running. 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

  • Newly manufactured as an exact replacement for your GM vehicle's original alternator
  • 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

Pulley Belt TypeSerpentine
Terminal Quantity2
Voltage13DC
Amperage Rating170A
Drive End To Pulley 1st Groove Distance2.629 in / 65.75 mm
Drive End To Rotor Shaft End Distance5.847 in / 148.52 mm
ClassificationOE
Pulley Groove Quantity6
External Fan IncludedNo
Fan TypeInternal
Plug Clock Rear View Main Mounting Ear at 6 O Clock8
Regulator TypeInternal
External Regulator IncludedNo
Ground TypeNegative
One Wire CapableNo
Decoupled Or Clutch PulleyYes
Case MaterialMetal
Pulley IncludedYes

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)
XT5Premium Luxury, Sport2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
XT6Premium Luxury, Sport2020, 2021, 2022, 2023, 2024, 2025