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Genuine GM 20881337
Alternator

Customer Questions & Answers (3)
2012 Chevrolet Silverado 3500 HD Alternator Alternator Diagram for 20881337
GM 20881337 Alternator
GM 20881337 Alternator
GM 20881337 Alternator
GM 20881337 Alternator
GM 20881337 Alternator
GM 20881337 Alternator
GM 20881337 Alternator
GM 20881337 Alternator
  • Part Description Generator Assembly
  • Replaces 25968616, 25869451, 15905872, 22781127, 15905874
  • Brand GM
$260.54
MSRP: $491.60
You Save: $231.06 (48%)
In Stock. Ships in 1-2 Business Days

Vehicle Specific

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  • Product Specifications

    BrandGenuine General Motors
    Manufacturer Part Number20881337
    Part DescriptionGenerator Assembly
    Other DescriptionAlternator
    Other NamesAlternator
    Item Dimensions9.4 x 8.2 x 7.8 inches
    Item Weight16.20 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces25968616, 25869451, 15905872, 22781127, 15905874
    ManufacturerGenuine General Motors
    SKU20881337
    WarrantyThis genuine GM part is guaranteed by GM's factory warranty. For more information, please see our Warranty Page.
    Warning: California’s Proposition 65

  • Vehicle Fitment

    Year Make Model Engine Important vehicle option details
    2007-2014 Cadillac Escalade8 Cyl 6.2L, 8 Cyl 6.2L Flex1/2 TON, EXT 1/2 TON, YUKON XL/DENALI XL/ESCALADE ESV, YUKON/DENALI/ESCALADE
    2007-2013 Chevrolet Avalanche8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L1/2 TON
    2009-2012 Chevrolet Colorado8 Cyl 5.3LCREW CAB, EXTENDED CAB, EXTENDED LENGTH, PICKUP
    2009-2014 Chevrolet Express6 Cyl 4.3L, 8 Cyl 4.8L Flex, 8 Cyl 5.3L, 8 Cyl 6.0L Flex1 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
    2007-2014 Chevrolet Silverado6 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 6.2L FlexCREW CAB 1/2 TON, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 3/4 TON, EXTENDED CAB 5'8" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 1/2 TON, EXTENDED CAB 8' BOX 3/4 TON, REGULAR CAB 3/4 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON
    2007-2014 Chevrolet Suburban8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L, 8 Cyl 6.0L Flex1/2 TON, 3/4 TON
    2007-2014 Chevrolet Tahoe8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 5.3L Flex4 DOOR 1/2 TON
    2009-2012 GMC Canyon8 Cyl 5.3LPICKUP, PICKUP CREW CAB, PICKUP EXTENDED CAB, PICKUP EXTENDED LENGTH
    2009-2014 GMC Savana6 Cyl 4.3L, 8 Cyl 4.8L Flex, 8 Cyl 5.3L, 8 Cyl 6.0L Flex1 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
    2007-2014 GMC Sierra6 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 6.2L, 8 Cyl 6.2L FlexCREW CAB 1/2 TON, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 3/4 TON, EXTENDED CAB 5'8" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 1/2 TON, EXTENDED CAB 8' BOX 3/4 TON, REGULAR CAB 3/4 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON
    Show More

Related Parts for 20881337

Customer Questions & Answers

Q:
I really want to assure that 20881337 fits my car.
By Customer
A:
Please Select Your Car first if you want to see if 20881337 is correct.
By Bob
GM Specialist
Q:
I really want your confirmation about if my 2007 Chevrolet Tahoe properly fits the part.
By Customer
A:
You need to provide more options to check.
By Bob
GM Specialist
Q:
Did the battery need to be removed to replace the alternator?
By Customer
A:
The battery does not need to be removed but it must be disconnected (taking terminals off the posts)
By Bob
GM Specialist
24/8/2020
If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

OEM GM 20881337 at AutoPartsPrime, Your Right Choice

  • The part number 20881337, Alternator, is designed to fit specific GM vehicles. Here, we provide you with parts specifications and vehicle fitment information for your convenience. This part fits specific Cadillac Escalade. It fits Chevrolet Express, Silverado, Tahoe. It also fits GMC Savana, Sierra, Yukon. This also fits Hummer H3, H3T. All OEM GM parts are manufactured by GM and guaranteed by GM's factory warranty. You can find diagrams here for your parts lookup.
  • AutoPartsPrime is a fast-growing online store, and the online catalog we carry covers all your genuine automotive needs. From engine parts to body parts, we have a huge selection of GM parts. If you have friends who also own GM vehicles, don't forget to refer them to AutoPartsPrime. Also, if you have any questions or hesitation, let us help you.