Brands Vehicles
Lowest Prices
Free Returns
Online Since 2009
JOIN GEARS TO SAVE 5%
Shop All Brands Shop All Vehicles

  2. Auto Parts
  3. Driveline and Axles
  4. Service Kits
  5. Differential Carrier Gear Kit
  6. ACDelco 12479321 for 2007

ACDelco 12479321 Differential Carrier Gear Kit
for 2007 (please select make/model)

ACDelco 12479321 Differential Carrier Gear Kit - 2007

ACDelco
Brand:ACDelco
Part Number: 12479321
UPC: 808709924821
Weight: 7.95 lbs
Condition:New



Availability:
0 in Stock
 OUT OF STOCK

Product Information

Description:

Get the ACDelco 12479321 Differential Carrier Gear Kit for your 2007. Buy now and secure your purchase online!

GM Genuine Parts Differential Carrier Gear Kits are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE). ⚠ WARNING: Cancer and Reproductive Harm - https://www.P65Warnings.ca.gov

Features and Benefits:

  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM regularly updates production and service part designs to integrate new materials and technologies
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)

Specifications:

Grade Type:
Regular
Height (in):
3.5 in
Inside Diameter (in):
0.93 in
Inside Diameter (mm):
23.57 mm
Length (in):
14.75 in
Material:
Steel
Outside Diameter (in):
2.83 in
Outside Diameter (mm):
72.00 mm
Programming Required:
No
Shaft Length (in):
5.83 in
Shaft Length (mm):
148.03 mm
Tooth Quantity:
11
Weight (lb):
7.95 lb
Width (in):
9.38 in
Country of Origin:
US

Select a vehicle to narrow ACDelco 12479321 Differential Carrier Gear Kit fitment info!

Last Updated: 05/02/2024

Years Vehicle Per Vehicle Position Fit NotesFitment Notes

2007

 

2007

 
Cadillac Escalade

6.2L V8 Gas OHV
1
 		 
W/SHAFT,DIF GEARS AND SI. GEARS
HYBRID AXLE(AXN), 9.50 RING GEAR SAGINAW-AMERICAN AXLE
EXCEPT POSITRACTION L/SLIP R/AXL(G80)
 

Cadillac Escalade



6.2L V8 Gas OHV W/SHAFT,DIF GEARS AND SI. GEARS
HYBRID AXLE(AXN), 9.50 RING GEAR SAGINAW-AMERICAN AXLE
EXCEPT POSITRACTION L/SLIP R/AXL(G80)

1 Per Vehicle

2007

 

2007

 
Cadillac Escalade ESV

6.2L V8 Gas OHV
1
 		 
W/SHAFT,DIF GEARS AND SI. GEARS
HYBRID AXLE(AXN), 9.50 RING GEAR SAGINAW-AMERICAN AXLE
EXCEPT POSITRACTION L/SLIP R/AXL(G80)
 

Cadillac Escalade ESV



6.2L V8 Gas OHV W/SHAFT,DIF GEARS AND SI. GEARS
HYBRID AXLE(AXN), 9.50 RING GEAR SAGINAW-AMERICAN AXLE
EXCEPT POSITRACTION L/SLIP R/AXL(G80)

1 Per Vehicle

2007

 

2007

 
Cadillac Escalade EXT

6.2L V8 Gas OHV
1
 		 
W/SHAFT,DIF GEARS AND SI. GEARS
HYBRID AXLE(AXN), 9.50 RING GEAR SAGINAW-AMERICAN AXLE
EXCEPT POSITRACTION L/SLIP R/AXL(G80)
 

Cadillac Escalade EXT



6.2L V8 Gas OHV W/SHAFT,DIF GEARS AND SI. GEARS
HYBRID AXLE(AXN), 9.50 RING GEAR SAGINAW-AMERICAN AXLE
EXCEPT POSITRACTION L/SLIP R/AXL(G80)

1 Per Vehicle

2007

 

2007

 
Chevrolet Avalanche

5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV
1
 		 
W/SHAFT,DIF GEARS AND SI. GEARS
HYBRID AXLE(AXN), 9.50 RING GEAR SAGINAW-AMERICAN AXLE
EXCEPT POSITRACTION L/SLIP R/AXL(G80)
 

Chevrolet Avalanche



5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV W/SHAFT,DIF GEARS AND SI. GEARS
HYBRID AXLE(AXN), 9.50 RING GEAR SAGINAW-AMERICAN AXLE
EXCEPT POSITRACTION L/SLIP R/AXL(G80)

1 Per Vehicle

2007

 

2007

 
Chevrolet Silverado 1500

4.3L V6 Gas OHV,
4.8L V8 Gas OHV,
5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV
1
 		 
W/SHAFT,DIF GEARS AND SI. GEARS
HYBRID AXLE(AXN), 9.50 RING GEAR SAGINAW-AMERICAN AXLE
EXCEPT POSITRACTION L/SLIP R/AXL(G80)
 

Chevrolet Silverado 1500



4.3L V6 Gas OHV,
4.8L V8 Gas OHV,
5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV W/SHAFT,DIF GEARS AND SI. GEARS
HYBRID AXLE(AXN), 9.50 RING GEAR SAGINAW-AMERICAN AXLE
EXCEPT POSITRACTION L/SLIP R/AXL(G80)

1 Per Vehicle

2007

 

2007

 
Chevrolet Silverado 1500 Classic

4.3L V6 Gas OHV,
4.8L V8 Gas OHV,
5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV
1
 		 
W/SHAFT,DIF GEARS AND SI. GEARS
RR AXLE
EXCEPT POSITRACTION L/SLIP R/AXL(G80)
9.50 RING GEAR SAGINAW-AMERICAN AXLE
Crew Cab Pickup
4 Doors
 

Chevrolet Silverado 1500 Classic



4.3L V6 Gas OHV,
4.8L V8 Gas OHV,
5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV W/SHAFT,DIF GEARS AND SI. GEARS
RR AXLE
EXCEPT POSITRACTION L/SLIP R/AXL(G80)
9.50 RING GEAR SAGINAW-AMERICAN AXLE
Crew Cab Pickup
4 Doors

1 Per Vehicle

2007

 

2007

 
Chevrolet Silverado 1500 HD Classic

6.0L V8 Gas OHV
1
 		 
W/SHAFT,DIF GEARS AND SI. GEARS
RR AXLE
EXCEPT POSITRACTION L/SLIP R/AXL(G80)
9.50 RING GEAR SAGINAW-AMERICAN AXLE
 

Chevrolet Silverado 1500 HD Classic



6.0L V8 Gas OHV W/SHAFT,DIF GEARS AND SI. GEARS
RR AXLE
EXCEPT POSITRACTION L/SLIP R/AXL(G80)
9.50 RING GEAR SAGINAW-AMERICAN AXLE

1 Per Vehicle

2007

 

2007

 
Chevrolet Silverado 1500 HD Classic

6.0L V8 Gas OHV
1
 
Front Axle
 
W/SHAFT,DIF GEARS AND SI. GEARS
3.73R(GT4), 4.10R(GT5)
 

Chevrolet Silverado 1500 HD Classic



6.0L V8 Gas OHV

Front Axle W/SHAFT,DIF GEARS AND SI. GEARS
3.73R(GT4), 4.10R(GT5)

1 Per Vehicle

2007

 

2007

 
Chevrolet Silverado 1500 HD Classic

6.0L V8 Gas OHV
1
 
Front Axle
 
W/SHAFT,DIF GEARS AND SI. GEARS
3.73R(GT4)
Eng: LQ4
8th VIN Digit: U
4WD
 

Chevrolet Silverado 1500 HD Classic



6.0L V8 Gas OHV

Front Axle W/SHAFT,DIF GEARS AND SI. GEARS
3.73R(GT4)
Eng: LQ4
8th VIN Digit: U
4WD

1 Per Vehicle

2007

 

2007

 
Chevrolet Silverado 2500 HD

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo
1
 
Front Axle
 
W/SHAFT,DIF GEARS AND SI. GEARS
4WD
 

Chevrolet Silverado 2500 HD



6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo

Front Axle W/SHAFT,DIF GEARS AND SI. GEARS
4WD

1 Per Vehicle

2007

 

2007

 
Chevrolet Silverado 2500 HD Classic

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Front Axle
 
W/SHAFT,DIF GEARS AND SI. GEARS
3.73R(GT4), 4.10R(GT5)
4WD
 

Chevrolet Silverado 2500 HD Classic



6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV

Front Axle W/SHAFT,DIF GEARS AND SI. GEARS
3.73R(GT4), 4.10R(GT5)
4WD

1 Per Vehicle

2007

 

2007

 
Chevrolet Silverado 3500 Classic

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Front Axle
 
W/SHAFT,DIF GEARS AND SI. GEARS
3.73R(GT4), 4.10R(GT5)
4WD
 

Chevrolet Silverado 3500 Classic



6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV

Front Axle W/SHAFT,DIF GEARS AND SI. GEARS
3.73R(GT4), 4.10R(GT5)
4WD

1 Per Vehicle

2007

 

2007

 
Chevrolet Silverado 3500 HD

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo
1
 
Front Axle
 
W/SHAFT,DIF GEARS AND SI. GEARS
4WD
 

Chevrolet Silverado 3500 HD



6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo

Front Axle W/SHAFT,DIF GEARS AND SI. GEARS
4WD

1 Per Vehicle

2007

 

2007

 
Chevrolet Suburban 1500

5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV
1
 		 
W/SHAFT,DIF GEARS AND SI. GEARS
HYBRID AXLE(AXN), 9.50 RING GEAR SAGINAW-AMERICAN AXLE
EXCEPT POSITRACTION L/SLIP R/AXL(G80)
 

Chevrolet Suburban 1500



5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV W/SHAFT,DIF GEARS AND SI. GEARS
HYBRID AXLE(AXN), 9.50 RING GEAR SAGINAW-AMERICAN AXLE
EXCEPT POSITRACTION L/SLIP R/AXL(G80)

1 Per Vehicle

2007

 

2007

 
Chevrolet Suburban 2500

6.0L V8 Gas OHV
1
 		 
W/SHAFT,DIF GEARS AND SI. GEARS
EXCEPT POSITRACTION L/SLIP R/AXL(G80)
9.50 RING GEAR SAGINAW-AMERICAN AXLE
 

Chevrolet Suburban 2500



6.0L V8 Gas OHV W/SHAFT,DIF GEARS AND SI. GEARS
EXCEPT POSITRACTION L/SLIP R/AXL(G80)
9.50 RING GEAR SAGINAW-AMERICAN AXLE

1 Per Vehicle

2007

 

2007

 
Chevrolet Suburban 2500

6.0L V8 Gas OHV
1
 
Front Axle
 
W/SHAFT,DIF GEARS AND SI. GEARS
4WD
 

Chevrolet Suburban 2500



6.0L V8 Gas OHV

Front Axle W/SHAFT,DIF GEARS AND SI. GEARS
4WD

1 Per Vehicle

2007

 

2007

 
Chevrolet Tahoe

4.8L V8 Gas OHV,
5.3L V8 Flex OHV,
5.3L V8 Gas OHV
1
 		 
W/SHAFT,DIF GEARS AND SI. GEARS
HYBRID AXLE(AXN), 9.50 RING GEAR SAGINAW-AMERICAN AXLE
EXCEPT POSITRACTION L/SLIP R/AXL(G80)
 

Chevrolet Tahoe



4.8L V8 Gas OHV,
5.3L V8 Flex OHV,
5.3L V8 Gas OHV W/SHAFT,DIF GEARS AND SI. GEARS
HYBRID AXLE(AXN), 9.50 RING GEAR SAGINAW-AMERICAN AXLE
EXCEPT POSITRACTION L/SLIP R/AXL(G80)

1 Per Vehicle

2007

 

2007

 
GMC Sierra 1500

4.3L V6 Gas OHV,
4.8L V8 Gas OHV,
5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV,
6.2L V8 Gas OHV
1
 		 
W/SHAFT,DIF GEARS AND SI. GEARS
HYBRID AXLE(AXN), 9.50 RING GEAR SAGINAW-AMERICAN AXLE
EXCEPT POSITRACTION L/SLIP R/AXL(G80)
 

GMC Sierra 1500



4.3L V6 Gas OHV,
4.8L V8 Gas OHV,
5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV,
6.2L V8 Gas OHV W/SHAFT,DIF GEARS AND SI. GEARS
HYBRID AXLE(AXN), 9.50 RING GEAR SAGINAW-AMERICAN AXLE
EXCEPT POSITRACTION L/SLIP R/AXL(G80)

1 Per Vehicle

2007

 

2007

 
GMC Sierra 1500 Classic

4.3L V6 Gas OHV,
4.8L V8 Gas OHV,
5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV
1
 		 
W/SHAFT,DIF GEARS AND SI. GEARS
RR AXLE
EXCEPT POSITRACTION L/SLIP R/AXL(G80)
9.50 RING GEAR SAGINAW-AMERICAN AXLE
Crew Cab Pickup
4 Doors
 

GMC Sierra 1500 Classic



4.3L V6 Gas OHV,
4.8L V8 Gas OHV,
5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV W/SHAFT,DIF GEARS AND SI. GEARS
RR AXLE
EXCEPT POSITRACTION L/SLIP R/AXL(G80)
9.50 RING GEAR SAGINAW-AMERICAN AXLE
Crew Cab Pickup
4 Doors

1 Per Vehicle

2007

 

2007

 
GMC Sierra 1500 HD Classic

6.0L V8 Gas OHV
1
 		 
W/SHAFT,DIF GEARS AND SI. GEARS
RR AXLE
EXCEPT POSITRACTION L/SLIP R/AXL(G80)
9.50 RING GEAR SAGINAW-AMERICAN AXLE
 

GMC Sierra 1500 HD Classic



6.0L V8 Gas OHV W/SHAFT,DIF GEARS AND SI. GEARS
RR AXLE
EXCEPT POSITRACTION L/SLIP R/AXL(G80)
9.50 RING GEAR SAGINAW-AMERICAN AXLE

1 Per Vehicle

2007

 

2007

 
GMC Sierra 1500 HD Classic

6.0L V8 Gas OHV
1
 
Front Axle
 
W/SHAFT,DIF GEARS AND SI. GEARS
3.73R(GT4), 4.10R(GT5)
 

GMC Sierra 1500 HD Classic



6.0L V8 Gas OHV

Front Axle W/SHAFT,DIF GEARS AND SI. GEARS
3.73R(GT4), 4.10R(GT5)

1 Per Vehicle

2007

 

2007

 
GMC Sierra 1500 HD Classic

6.0L V8 Gas OHV
1
 
Front Axle
 
W/SHAFT,DIF GEARS AND SI. GEARS
3.73R(GT4)
Eng: LQ4
8th VIN Digit: U
4WD
 

GMC Sierra 1500 HD Classic



6.0L V8 Gas OHV

Front Axle W/SHAFT,DIF GEARS AND SI. GEARS
3.73R(GT4)
Eng: LQ4
8th VIN Digit: U
4WD

1 Per Vehicle

2007

 

2007

 
GMC Sierra 2500 HD

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo
1
 
Front Axle
 
W/SHAFT,DIF GEARS AND SI. GEARS
4WD
 

GMC Sierra 2500 HD



6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo

Front Axle W/SHAFT,DIF GEARS AND SI. GEARS
4WD

1 Per Vehicle

2007

 

2007

 
GMC Sierra 2500 HD Classic

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Front Axle
 
W/SHAFT,DIF GEARS AND SI. GEARS
3.73R(GT4), 4.10R(GT5)
4WD
 

GMC Sierra 2500 HD Classic



6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV

Front Axle W/SHAFT,DIF GEARS AND SI. GEARS
3.73R(GT4), 4.10R(GT5)
4WD

1 Per Vehicle

2007

 

2007

 
GMC Sierra 3500 Classic

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Front Axle
 
W/SHAFT,DIF GEARS AND SI. GEARS
3.73R(GT4), 4.10R(GT5)
4WD
 

GMC Sierra 3500 Classic



6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV

Front Axle W/SHAFT,DIF GEARS AND SI. GEARS
3.73R(GT4), 4.10R(GT5)
4WD

1 Per Vehicle

2007

 

2007

 
GMC Sierra 3500 HD

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo
1
 
Front Axle
 
W/SHAFT,DIF GEARS AND SI. GEARS
4WD
 

GMC Sierra 3500 HD



6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo

Front Axle W/SHAFT,DIF GEARS AND SI. GEARS
4WD

1 Per Vehicle

2007

 

2007

 
GMC Yukon

4.8L V8 Gas OHV,
5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.2L V8 Gas OHV
1
 		 
W/SHAFT,DIF GEARS AND SI. GEARS
HYBRID AXLE(AXN), 9.50 RING GEAR SAGINAW-AMERICAN AXLE
EXCEPT POSITRACTION L/SLIP R/AXL(G80)
 

GMC Yukon



4.8L V8 Gas OHV,
5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.2L V8 Gas OHV W/SHAFT,DIF GEARS AND SI. GEARS
HYBRID AXLE(AXN), 9.50 RING GEAR SAGINAW-AMERICAN AXLE
EXCEPT POSITRACTION L/SLIP R/AXL(G80)

1 Per Vehicle

2007

 

2007

 
GMC Yukon XL 1500

5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV,
6.2L V8 Gas OHV
1
 		 
W/SHAFT,DIF GEARS AND SI. GEARS
HYBRID AXLE(AXN), 9.50 RING GEAR SAGINAW-AMERICAN AXLE
EXCEPT POSITRACTION L/SLIP R/AXL(G80)
 

GMC Yukon XL 1500



5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV,
6.2L V8 Gas OHV W/SHAFT,DIF GEARS AND SI. GEARS
HYBRID AXLE(AXN), 9.50 RING GEAR SAGINAW-AMERICAN AXLE
EXCEPT POSITRACTION L/SLIP R/AXL(G80)

1 Per Vehicle

2007

 

2007

 
GMC Yukon XL 2500

6.0L V8 Gas OHV
1
 		 
W/SHAFT,DIF GEARS AND SI. GEARS
EXCEPT POSITRACTION L/SLIP R/AXL(G80)
9.50 RING GEAR SAGINAW-AMERICAN AXLE
 

GMC Yukon XL 2500



6.0L V8 Gas OHV W/SHAFT,DIF GEARS AND SI. GEARS
EXCEPT POSITRACTION L/SLIP R/AXL(G80)
9.50 RING GEAR SAGINAW-AMERICAN AXLE

1 Per Vehicle

2007

 

2007

 
GMC Yukon XL 2500

6.0L V8 Gas OHV
1
 
Front Axle
 
W/SHAFT,DIF GEARS AND SI. GEARS
4WD
 

GMC Yukon XL 2500



6.0L V8 Gas OHV

Front Axle W/SHAFT,DIF GEARS AND SI. GEARS
4WD

1 Per Vehicle

2007

 

2006

 

2005

 

2004

 

2003

 

2007

 

2006

 

2005

 

2004

 

2003

 
Hummer H2

6.0L V8 Gas OHV
1
 
Front Axle
 
W/SHAFT,DIF GEARS AND SI. GEARS
 

Hummer H2



6.0L V8 Gas OHV

Front Axle W/SHAFT,DIF GEARS AND SI. GEARS

1 Per Vehicle

Didn't find a match for your vehicle?

   See Other Choices