GM Genuine Parts Alternator
OE
Pack of 1

GM Genuine Parts Alternator

GM Part #13552837

ACDelco Part #13552837

MSRP$617.82*

ACDelco GM Original Equipment Alternators are designed, engineered, and tested to rigorous standards, and are backed by General Motors.

  • Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional
  • ACDelco GM Original Equipment 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

Pack of 1

About this product

ACDelco GM Original Equipment Alternators are designed, engineered, and tested to rigorous standards, and are backed by General Motors. ACDelco GM Original Equipment parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional.

Warning WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

  • Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional
  • ACDelco GM Original Equipment 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
Distance Between Mounting Feet5.15 in / 130.7 mm
Case Circumference5.63 in / 143 mm
ClassificationOE
FinishUncoated
External Fan IncludedNo
AC Service TapNo
Plug Clock Rear View Main Mounting Ear at 6 O Clock3
Fan TypeInternal
Regulator TypeInternal
Ground TypeNegative
Pulley IncludedYes
Plug Type365
Decoupled Or Clutch PulleyYes
One Wire CapableYes
Mounting TypeFront Mount
External Regulator IncludedNo
Case MaterialAluminum
Case ColorNatural
Pulley Groove Quantity3
Split Mounting Foot Overall Inner Spacing1.93 in / 49 mm
Rotation DirectionClockwise (Right)
Outside Pulley Diameter2.8 in / 71 mm
Voltage12DC
Drive End To Pulley 1st Groove Distance2.38 in / 60.41 mm
Grade TypeStandard Replacement
Split Mounting Foot Overall Outside Spacing3.43 in / 87 mm
Amperage Rating204.3A

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)
CorvetteZR1, ZR1X2025, 2026, 2027