GM Genuine Parts Alternator
OE
Pack of 1

GM Genuine Parts Alternator

GM Part #20881337

ACDelco Part #20881337

MSRP$541.76*

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 Rating145A
ClassificationOE
Voltage12DC
Pulley Groove Quantity6
External Fan IncludedNo
Plug Clock Rear View Main Mounting Ear at 6 O Clock3
FamilyDelco AD237
Fan TypeInternal
Regulator TypeInternal
Mounting Type1 Pivot Foot
External Regulator IncludedNo
Ground TypeNegative
One Wire CapableNo
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)
Canyon2009, 2010, 2011, 2012
Savana 15002009, 2010, 2011, 2012, 2013, 2014
Savana 25002010
Savana 35002010
Savana 45002010