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GMC 22781131 Alternator

2005-2016 GMC

Customer Questions & Expert Answers (3)
22781131 GM Alternator Product Photo 1 of 3
  • Part Description
    Generator, Engine Electrical
  • Replaces
    19118686, 15847291, 94665137, 15222342, 15124532, 15222341, 15226003, 20989651
  • Manufacturer
    General Motors
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  • Related Parts
  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine GMC
    Manufacturer Part Number22781131
    Part DescriptionAlternator; Generator, Engine Electrical
    Item Dimensions9.3 x 8.2 x 7.9 inches
    Item Weight16.30 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces19118686, 15847291, 94665137, 15222342, 15124532, 15222341, 15226003, 20989651
    ManufacturerGeneral Motors
    SKU22781131
    WarrantyThis genuine GM part is guaranteed by GM's factory warranty.
    Shipping & ReturnShipping Policy Return Policy
    Warning: California's Proposition 65
  • Vehicle Fitment

    Year Make Model Engine Important vehicle option details
    2010 GMC Canyon8 Cyl 5.3LPICKUP, PICKUP CREW CAB, PICKUP EXTENDED CAB, PICKUP EXTENDED LENGTH
    2006 GMC Envoy8 Cyl 5.3L4 DOOR, 4 Door XL
    2005-2016 GMC Savana6 Cyl 4.3L, 8 Cyl 4.8L, 8 Cyl 4.8L Flex, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L, 8 Cyl 6.0L Flex, 8 Cyl 6.6L Diesel1 TON CARGO EXPRESS, 1 TON CARGO SAVANA, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 1/2 TON CARGO EXPRESS, 1/2 TON CARGO SAVANA, 1/2 TON PASSENGER EXPRESS, 1/2 TON PASSENGER SAVANA, 3/4 TON CARGO EXPRESS, 3/4 TON CARGO SAVANA, 3/4 TON PASSENGER EXPRESS, 3/4 TON PASSENGER SAVANA
    2005-2007 GMC Sierra8 Cyl 6.0L, 8 Cyl 6.6L Diesel, 8 Cyl 8.1L1500 CREW CAB LONG BOX, 1500 CREW CAB STANDARD BOX, 1500 EXTENDED CAB LONG BOX, 1500 EXTENDED CAB SHORT BOX, 1500 EXTENDED CAB STANDARD BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD BOX, 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS REGULAR CAB 137.0, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 EXTENDED CAB, 3500 REGULAR CAB, CLASSIC 1500 CREW CAB LONG BOX, CLASSIC 1500 CREW CAB STANDARD BOX, CLASSIC 1500 EXTENDED CAB LONG BOX, CLASSIC 1500 EXTENDED CAB SHORT BOX, CLASSIC 1500 EXTENDED CAB STANDARD BOX, CLASSIC 1500 REGULAR CAB LONG BOX, CLASSIC 1500 REGULAR CAB STANDARD BOX, CLASSIC 2500 CREW CAB LONG BOX, CLASSIC 2500 CREW CAB STANDARD BOX, CLASSIC 2500 EXTENDED CAB LONG BOX, CLASSIC 2500 EXTENDED CAB STANDARD BOX, CLASSIC 2500 REGULAR CAB, CLASSIC 3500 CHASSIS EXTENDED CAB 161.5, CLASSIC 3500 CHASSIS REGULAR CAB 137.0, CLASSIC 3500 CHASSIS REGULAR CAB 161.5, CLASSIC 3500 CREW CAB, CLASSIC 3500 EXTENDED CAB, CLASSIC 3500 REGULAR CAB
    2006 GMC Yukon8 Cyl 6.0L, 8 Cyl 8.1L1/2 TON, 3/4 TON, YUKON/DENALI/ESCALADE
  • Customer Questions & Expert Answers

    Q:
    I would like to confirm if this is the correct part number for my vehicle. Please advise. Thank you.
    A:
    You can Select Your Vehicle to check if 22781131 fits your vehicle.
    Posted and answered by GM Parts Specialist Henry
    Q:
    What is the first step in the removal process for the Alternator in the 2005 Chevrolet Astro? Posted by Verified Customer
    A:
    The first step in the removal process is disconnecting the cable from the negative terminal of the battery. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Julian / Aug 26, 2022
    Q:
    What components do you need to remove before replacing the Alternator for the 2009 Chevrolet Express? Posted by Ferney H.
    A:
    Remove the coolant reservoir, air filter housing, and upper fan shroud. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Bob / Aug 30, 2025

Genuine GM Part 22781131, the Right Choice

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