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Genuine GM 25877026
Alternator

Customer Questions & Answers (4)
2012 Chevrolet Silverado 3500 HD Alternator Alternator Diagram for 25877026
GM 25877026 Alternator
GM 25877026 Alternator
GM 25877026 Alternator
GM 25877026 Alternator
GM 25877026 Alternator
GM 25877026 Alternator
GM 25877026 Alternator
GM 25877026 Alternator
GM 25877026 Alternator
GM 25877026 Alternator
GM 25877026 Alternator
  • Part Description Generator Assembly
  • Replaces 15905871, 15857608
  • Brand GM
  • Manufacturer's Notes This part is discontinued.

Vehicle Specific

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  • Product Specifications

    BrandGenuine General Motors
    Manufacturer Part Number25877026
    Part DescriptionGenerator Assembly
    Other DescriptionAlternator
    Other NamesAlternator
    Item Dimensions9.4 x 8.2 x 7.8 inches
    Item Weight19.40 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces15905871, 15857608
    ManufacturerGenuine General Motors
    SKU25877026
    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
    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 TON, CREW CAB 1/2 TON, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 3/4 TON, EXTENDED CAB 1 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, EXTENDED CAB CHASSIS 1 TON 161.5, REGULAR CAB 1 TON, REGULAR CAB 3/4 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON, REGULAR CAB CHASSIS 1 TON 137.0, REGULAR CAB CHASSIS 1 TON 161.5
    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
    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 Flex1 TON CREW CAB, CREW CAB 1 TON, CREW CAB 1 TON 119.0, CREW CAB 1 TON 137.0, CREW CAB 1/2 TON, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 3/4 TON, EXTENDED CAB 1 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, EXTENDED CAB CHASSIS 1 TON 161.5, EXTENDED CREW CAB 1 TON 161.5, REGULAR CAB 1 TON, REGULAR CAB 3/4 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON, REGULAR CAB CHASSIS 1 TON 137.0, REGULAR CAB CHASSIS 1 TON 161.5
    2007-2014 GMC Yukon8 Cyl 4.8L, 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 Flex1/2 TON, 3/4 TON, XL 3/4 TON, YUKON XL/DENALI XL/ESCALADE ESV, YUKON/DENALI/ESCALADE
    2008-2009 Hummer H28 Cyl 6.2L, 8 Cyl 6.2L FlexPICKUP, SUV

Related Parts for 25877026

Customer Questions & Answers

Q:
I want to confirm if this part works for my vehicle.
By Customer
A:
Before you order, you need to Select Your Car to check if 25877026 works for you.
By Bob
GM Specialist
Q:
I would like to confirm whether my 2007 Chevrolet Tahoe goes with this part.
By Customer
A:
The part perfectly works with your vehicle.
By Bob
GM Specialist
Q:
Would a 140 amp or a 160 amp be better for a vehicle?
By Customer
A:
The amperage needed varies on how many accessories the vehicle is running
By Bob
GM Specialist
10/1/2020
Q:
How many amps does this alternator produce?
By Customer
A:
This alternator is a 160 amp alternator
By Bob
GM Specialist
9/1/2020
If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

OEM GM 25877026 at AutoPartsPrime, Your Right Choice

  • The part number 25877026, 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 Avalanche, Silverado, Tahoe. It also fits GMC Sierra, Yukon. This also fits Hummer H2. 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.