GM parts logo
GM Genuine Parts Alternator
OE
Pack of 1

GM Genuine Parts Alternator

GM Part #84143539

ACDelco Part #84143539

MSRP$810.12*

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
Amperage Rating215A
ClassificationOE
Voltage12DC
Pulley Groove Quantity6
AC Service TapNo
Decoupled Or Clutch PulleyNo
External Fan IncludedNo
Fan TypeInternal
Regulator TypeInternal
One Wire CapableNo
External Regulator IncludedNo
Ground TypeNegative
Case MaterialAluminum
Case ColorNatural
FamilyDenso
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)
Express 25002016, 2017, 2018, 2019, 2020
Express 35002016, 2017, 2018, 2019, 2020
Express 45002016, 2017, 2018, 2019, 2020
Silverado 2500 HD2015, 2016, 2017, 2018, 2019
Silverado 3500 HD2015, 2016, 2017, 2018, 2019