GM Genuine Parts Alternator
OE
Pack of 1

GM Genuine Parts Alternator

GM Part #84493690

ACDelco Part #84493690

MSRP$994.43*

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

  • 100% 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. 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

  • 100% 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

Decoupled Or Clutch PulleyYes
Pulley Groove Quantity6
AC Service TapNo
Plug Clock Rear View Main Mounting Ear at 6 O Clock12
Fan TypeInternal
External Fan IncludedNo
Case ColorNatural
Regulator TypeInternal
Ground TypeNegative
External Regulator IncludedNo
One Wire CapableNo
Case MaterialAluminum
Pulley IncludedYes
Amperage Rating220A
ClassificationOE
Terminal Quantity2
Pulley Belt TypeSerpentine
Case Circumference5.52 in / 140.3 mm
Voltage12DC
FamilyDenso

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)
Sierra 2500 HD2015, 2016
Sierra 3500 HD2015, 2016