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Chevrolet 22781131 GENERATOR Assembly

2005-2016 Chevrolet

Customer Questions & Expert Answers (7)
GM 22781131 GENERATOR Assembly
  • Part Description
    Generator Asm ; Generator, Engine Electrical
  • Replaces
    19118686, 15847291, 94665137, 15222342, 15124532, 15222341, 15226003, 20989651
  • Manufacturer
    General Motors
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  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers
  • Product Specifications

    BrandGenuine Chevrolet
    Manufacturer Part Number22781131
    Part DescriptionGenerator Asm ; Generator, Engine Electrical
    Other NamesAlternator
    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
    2006 Chevrolet Avalanche8 Cyl 8.1L3/4 TON
    2010 Chevrolet Colorado8 Cyl 5.3LCREW CAB, EXTENDED CAB, EXTENDED LENGTH, PICKUP
    2005-2016 Chevrolet Express6 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 PASSENGER EXPRESS, 3/4 TON CARGO EXPRESS, 3/4 TON CARGO SAVANA, 3/4 TON PASSENGER EXPRESS, 3/4 TON PASSENGER SAVANA
    2006 Chevrolet SSR8 Cyl 6.0LSPORT TRUCK
    2005-2007 Chevrolet Silverado8 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 Chevrolet Suburban8 Cyl 6.0L, 8 Cyl 8.1L1/2 TON, 3/4 TON
    2006 Chevrolet Trailblazer8 Cyl 5.3L4 DOOR, 4 DOOR EXT
  • Customer Questions & Expert Answers

    Q:
    I would like to confirm if this is the correct part number for my vehicle. Please advise. Thank you. Posted by GMPartsGiant Specialist
    A:
    You can Select Your Vehicle to check if 22781131 fits your vehicle.
    Posted by GMPartsGiant Specialist
    Q:
    How to remove and install an alternator on an engine for Chevrolet Astro? Posted by Customer
    A:
    Removal begins with disconnecting the cable from the negative terminal of the battery. On CMFI and CSFI engines, the air cleaner assembly is removed. On carbureted TBI engines (and CMFI engines, if necessary), the upper fan shroud is removed. The electrical connectors are then detached from the alternator. If necessary, the drivebelt is removed from the alternator pulley before the alternator mounting bolts and braces (if used) are removed. Finally, the alternator is removed from the engine. Installation is the reverse of removal. On models equipped with multiple V-belts, the drivebelt adjustment procedure is performed.
    Posted by GMPartsGiant Specialist
    Q:
    How to Remove the Alternator on Chevrolet Avalanche,Silverado,Suburban,Tahoe,GMC Sierra,Yukon,Yukon Denali and Yukon XL? Posted by Customer
    A:
    To remove the alternator on a V6 model, start by disconnecting the cable from the negative battery terminal and removing the air intake duct and accessory drive belt. Unbolt the clamp that secures the heater outlet hose to the alternator mounting bracket, disconnect the electrical connector from the alternator, and peel back the weather boot from the B+ terminal to remove the battery cable from the alternator. Finally, remove the alternator mounting bolts and the alternator. The installation is the reverse of removal. On V8 models, follow similar removal steps as the V6 models. Again, installation is the reverse of removal.
    Posted by GMPartsGiant Specialist
    Q:
    What steps should be followed for the engine for the 2005 Chevrolet Colorado? Posted by Customer
    A:
    Raise and support the vehicle, remove the left front wheel and fenderwell liner. Unbolt the refrigerant line from the engine lifting bracket (without disconnecting it) and remove the engine lifting bracket. Disconnect the electrical connector at the air conditioning compressor, remove the compressor mounting bolts, and lower the compressor for access to the alternator bolts. Move the electrical harness out of the way if necessary, then remove the alternator mounting bolts and the alternator.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Alternator
    Q:
    What components do you need to remove before replacing the alternator for the 2009 Chevrolet Express? Posted by Customer
    A:
    Remove the coolant reservoir, air filter housing, and upper fan shroud.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Alternator
    Q:
    What may need to be switched from the old alternator to the new/rebuilt one for the 2009 Chevrolet Trailblazer? Posted by Customer
    A:
    The pulley may need to be switched.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Alternator
    Q:
    What should be done after disconnecting the battery cable for the 2012 GMC Canyon? Posted by Customer
    A:
    Remove the drivebelt.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Alternator
    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

Genuine GM Part 22781131, the Right Choice

To ensure reliability, purchase GM part # 22781131 GENERATOR Assembly. It is sometimes referred to as Chevrolet Alternator. Directly from GM, genuine parts are superb with regards to quality, longevity, and fit. Every single part passed stringent quality testing, so you can be sure that it's safe, durable, and built to perform like your original parts. This part fits specific Chevrolet Express, Silverado, Trailblazer models.

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