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Genuine GM 12479321
Gear Kit

Customer Questions & Expert Answers (2)
GM 12479321 Gear Kit
  • Part Description
    Gear Kit,Front Differential Side & Pinion (Also Used On 4A1-X0412)
  • Location
    Front
  • Replaces
    85106134, 12470388, 12470385
  • Brand
    GM
Select vehicle to make sure this part fits
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Model
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$258.99 MSRP: $428.65
You Save: $169.66 (40%)
  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers

  • 12479321 Gear Kit is Ref No. 25 in the diagram below

    2001 Chevrolet Silverado 2500 Front Axle, Axle Shafts & Joints, Differential, Drive Axles, Propeller Shaft Gear Kit Diagram for 12479321
    The diagram listed above is for your reference. View diagram and OE catalog for your vehicle

    Related Parts for 12479321

  • Product Specifications

    BrandGenuine General Motors
    Manufacturer Part Number12479321
    Part DescriptionGear Kit,Front Differential Side & Pinion (Also Used On 4A1-X0412)
    Other DescriptionGear Kit
    Other NamesGear Kit, Pinion Gear
    Item Dimensions9.8 x 3.6 x 15.5 inches
    Item Weight8.50 Pounds
    PositionFront
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces85106134, 12470388, 12470385
    ManufacturerGeneral Motors
    SKU12479321
    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
    1990-1992 Cadillac Brougham8 Cyl 5.0L, 8 Cyl 5.7LBROUGHAM 4 DOOR
    2008, 2002-2006, 1999 Cadillac Escalade8 Cyl 5.3L, 8 Cyl 5.7L, 8 Cyl 6.0L, 8 Cyl 6.2L1/2 TON, 3/4 TON, 4 DOOR 1/2 TON, EXT 3/4 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 3/4 TON, K2500 CREW CAB, REGULAR CAB 3/4 TON, YUKON/DENALI/ESCALADE
    1993-1996 Cadillac Fleetwood8 Cyl 5.7LBROUGHAM, BROUGHAM 4 DOOR
    2008, 2002-2006 Chevrolet Avalanche8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L, 8 Cyl 8.1L1/2 TON, 3/4 TON
    1992-1994 Chevrolet Blazer6 Cyl 4.3L, 8 Cyl 5.7L, 8 Cyl 6.5L Diesel1/2 TON
    1992-1999 Chevrolet C15006 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel, 8 Cyl 6.5L Diesel, 8 Cyl 7.4LC1500 EXTENDED CAB LONG BOX, C1500 EXTENDED CAB STANDARD BOX, C1500 REGULAR CAB LONG BOX, C1500 REGULAR CAB STANDARD BOX
    1992-2000 Chevrolet C25006 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel, 8 Cyl 6.5L Diesel, 8 Cyl 7.4LC2500 CREW CAB, C2500 EXTENDED CAB LONG BOX, C2500 EXTENDED CAB STANDARD BOX, C2500 REGULAR CAB
    2009-2017, 1996-2002 Chevrolet Express4 Cyl 2.8L Diesel, 6 Cyl 4.3L, 8 Cyl 4.8L, 8 Cyl 4.8L Flex, 8 Cyl 5.0L, 8 Cyl 5.3L, 8 Cyl 5.7L, 8 Cyl 6.0L, 8 Cyl 6.0L Flex, 8 Cyl 6.5L Diesel, 8 Cyl 6.6L Diesel1 TON CARGO EXPRESS, 1 TON CARGO SAVANA, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON CARGO SAVANA, 3/4 TON PASSENGER EXPRESS, 3/4 TON PASSENGER SAVANA
    1994-1995 Chevrolet G106 Cyl 4.3L, 8 Cyl 5.0L1 TON CARGO, 1 TON COMMERCIAL/RECREATIONAL VEHICLE, 1 TON PASSENGER
    1992-1996 Chevrolet G306 Cyl 4.3L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel, 8 Cyl 6.5L Diesel, 8 Cyl 7.4L1 TON CARGO, 1 TON CARGO CLASSIC, 1 TON COMMERCIAL/RECREATIONAL VEHICLE, 1 TON COMMERCIAL/RV CLASSIC, 1 TON PASSENGER, 1 TON PASSENGER CLASSIC
    View More

  • Customer Questions & Expert Answers

    Q:
    I need to make sure if the very part fits my car.
    By Customer
    A:
    Please Select Your Car to check if 12479321 goes for your car.
    By Omar
    GM Specialist
    Q:
    I'm looking for the spider gears in the rear differential in the website shows 2in the diagram I need all 4 my question does this kit comes whit 2 gears or 4
    By Customer with vehicle: 2001 Light Truck Silverado / Sierra - 03, 43, 53 Bodystyle (4WD / AWD)
    A:
    25902687 DIFFERENTIAL, (RR AXLE) (W/GEARS) CORRECT PER VIN
    By Omar
    GM Specialist
    13/4/2020
    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

OEM GM 12479321 at AutoPartsPrime, Your Right Choice

  • The part number 12479321, Gear Kit, 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 Brougham, Escalade, Fleetwood. It fits Chevrolet Blazer, Silverado, Tahoe. It also fits GMC Sierra, Suburban, 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.

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