Your vehicle deserves only genuine OEM GM parts and accessories. To ensure reliability, purchase GM part # 12479321 Gear Kit,Front Differential Side & Pinion (Also Used On 4A1, X0412). Our GM parts and accessories are expedited directly from authorized GM dealers strategically located all across the U.S. and are backed by the manufacturer's 12 month, 12,000 mile warranty. OEM GM parts are the best for restoring your vehicle to factory condition performance. This part fits specific Cadillac Brougham, Escalade, Fleetwood models. It fits Chevrolet Blazer, Silverado, Tahoe. It also fits GMC Sierra, Suburban, Yukon. This also fits Hummer H2.
Affordable, reliable and built to last, GM part # 12479321 Gear Kit,Front Differential Side & Pinion (Also Used On 4A1, X0412) stands out as the smart option. GMPartsGiant.com is your prime online source with the biggest and best selection of genuine GM parts and accessories at giant discounted prices. We have the OEM GM parts and accessories you need at the wholesale prices. GMPartsGiant.com has you covered no matter what type of GM vehicle you drive. For detailed GMC parts information, click here.
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GM 12479321 Gear Kit,Front Differential Side & Pinion (Also Used On 4A1, X0412)
1990-2017 GM
- Part DescriptionGEAR KIT, Differential Side With Pinion
- PositionFront
- Replaces85106134, 12470388, 12470385
- ManufacturerGeneral Motors
- Manufacturer's NotesThis part is discontinued.
$264.09 MSRP: $417.39
You Save: $153.30 (37%)
Currently UnavailableDue to manufacturer supply shortage, this item isn’t currently available for ordering.
Actuator,Front Drive Axle26060073
Adjuster,Front Differential Bearing26045211
Bearing,Differential Drive Pinion Gear Inner457108
Bolt,Rear Differential Ring Gear14012703
Front Drive Axle Inner Shaft15801500
Gear Kit,Front Differential Drive Pinion12479329
Nut,Differential Drive Pinion Gear88891763
Pin,Front Differential Half Carrier Locating360570
Seal,Front Wheel Drive Shaft19169124
Washer,Differential Drive Pinion Gear517900
Product Specifications
Brand Genuine GM Manufacturer Part Number 12479321 Part Description GEAR KIT, Differential Side With Pinion Other Names Gear Kit, Pinion Gear Item Dimensions 9.8 x 3.6 x 15.5 inches Item Weight 8.50 Pounds Position Front Condition New Fitment Type Direct Replacement Replaces 85106134, 12470388, 12470385 Manufacturer General Motors SKU 12479321 Warranty This genuine GM part is guaranteed by GM's factory warranty. Shipping & Return Shipping Policy Return Policy Warning: California’s Proposition 65Vehicle Fitment
View MoreYear Make Model Engine Important vehicle option details 1990-1992 Cadillac Brougham 8 Cyl 5.0L, 8 Cyl 5.7L BROUGHAM 4 DOOR 2008, 2002-2006, 1999 Cadillac Escalade 8 Cyl 5.3L, 8 Cyl 5.7L, 8 Cyl 6.0L, 8 Cyl 6.2L 1/2 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 Fleetwood 8 Cyl 5.7L BROUGHAM, BROUGHAM 4 DOOR 2008, 2002-2006 Chevrolet Avalanche 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L, 8 Cyl 8.1L 1/2 TON, 3/4 TON 1992-1994 Chevrolet Blazer 6 Cyl 4.3L, 8 Cyl 5.7L, 8 Cyl 6.5L Diesel 1/2 TON 1992-1999 Chevrolet C1500 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel, 8 Cyl 6.5L Diesel, 8 Cyl 7.4L C1500 EXTENDED CAB LONG BOX, C1500 EXTENDED CAB STANDARD BOX, C1500 REGULAR CAB LONG BOX, C1500 REGULAR CAB STANDARD BOX 1992-2000 Chevrolet C2500 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel, 8 Cyl 6.5L Diesel, 8 Cyl 7.4L C2500 CREW CAB, C2500 EXTENDED CAB LONG BOX, C2500 EXTENDED CAB STANDARD BOX, C2500 REGULAR CAB 2009-2017, 1996-2002 Chevrolet Express 4 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 Diesel 1 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 G10 6 Cyl 4.3L, 8 Cyl 5.0L 1 TON CARGO, 1 TON COMMERCIAL/RECREATIONAL VEHICLE, 1 TON PASSENGER 1992-1996 Chevrolet G30 6 Cyl 4.3L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel, 8 Cyl 6.5L Diesel, 8 Cyl 7.4L 1 TON CARGO, 1 TON CARGO CLASSIC, 1 TON COMMERCIAL/RECREATIONAL VEHICLE, 1 TON COMMERCIAL/RV CLASSIC, 1 TON PASSENGER, 1 TON PASSENGER CLASSIC
Customer Questions & Answers
- Q:I am wonder if this is complete and correct part for my vehicle. Posted by GMPartsGiant Specialist
- A:You can Select Your Vehicle to check if 12479321 fits your vehicle.Posted by GMPartsGiant 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 Posted by Customer: 2001 Light Truck Silverado / Sierra - 03, 43, 53 Bodystyle (4WD / AWD)
- A:25902687 DIFFERENTIAL, (RR AXLE) (W/GEARS) CORRECT PER VINPosted by GMPartsGiant Specialist 13/4/2020
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