GM Genuine Parts Alternator
OE
Pack of 1

GM Genuine Parts Alternator

GM Part #42527306

ACDelco Part #42527306

MSRP$459.04*

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
Voltage14 DC / 12 AC
Terminal Quantity2
Mounting TypeSide Mount
Distance Between Mounting Feet6.39 in / 162.3 mm
Outside Pulley Diameter2.38 in / 60.56 mm
Case Circumference5.35 in / 136 mm
Amperage Rating80A
ClassificationOE
Pulley Groove Quantity5
Plug Clock Rear View Main Mounting Ear at 6 O Clock3
AC Service TapNo
External Fan IncludedNo
Fan TypeInternal
Ground TypeNegative
Regulator TypeInternal
Case MaterialAluminum
One Wire CapableNo
External Regulator IncludedNo
Decoupled Or Clutch PulleyYes
Familyerae
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)
SparkACTIV, LS, LT2016, 2017, 2018, 2019, 2020, 2021, 2022