
OE
Pack of 1
OE
Pack of 1
GM Genuine Parts Alternator
GM Part #13539729
ACDelco Part #13539729
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: 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
Split Mounting Foot Overall Inner Spacing2.02 in / 51.2 mm
Drive End To Pulley 1st Groove Distance2.24 in / 56.85 mm
Split Mounting Foot Overall Outside Spacing3.47 in / 88.2 mm
Case Circumference5.43 in / 138 mm
Amperage Rating250A
ClassificationOE
Distance Between Mounting Feet6.23 in / 158.17 mm
Voltage12DC
External Fan IncludedNo
Pulley Groove Quantity6
Pulley IncludedYes
Mounting TypeFront Mount
Regulator TypeInternal
Ground TypeNegative
External Regulator IncludedNo
One Wire CapableNo
Plug Clock Rear View Main Mounting Ear at 6 O Clock2
Fan TypeInternal
Decoupled Or Clutch PulleyYes
AC Service TapNo
Pulley Belt TypeSerpentine
Split Mounting Foot Overall Inner Spacing2.02 in / 51.2 mm
Split Mounting Foot Overall Outside Spacing3.47 in / 88.2 mm
Amperage Rating250A
Distance Between Mounting Feet6.23 in / 158.17 mm
External Fan IncludedNo
Pulley IncludedYes
Regulator TypeInternal
External Regulator IncludedNo
Plug Clock Rear View Main Mounting Ear at 6 O Clock2
Decoupled Or Clutch PulleyYes
Terminal Quantity2
Drive End To Pulley 1st Groove Distance2.24 in / 56.85 mm
Case Circumference5.43 in / 138 mm
ClassificationOE
Voltage12DC
Pulley Groove Quantity6
Mounting TypeFront Mount
Ground TypeNegative
One Wire CapableNo
Fan TypeInternal
AC Service TapNo
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.

