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  2. Auto Parts
  3. Driveline and Axles
  4. Service Kits
  5. Differential Carrier Gear Kit
  6. ACDelco 12479321 for 2001

ACDelco 12479321 Differential Carrier Gear Kit
for 2001 (please select make/model)

ACDelco 12479321 Differential Carrier Gear Kit - 2001

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 2001. 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

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 

1996

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 

1996

 
Chevrolet Express 2500

4.3L V6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo
1
 		 
W/SHAFT,DIF GEARS AND SI. GEARS
EXCEPT POSITRACTION L/SLIP R/AXL(G80)
9.50 RING GEAR SAGINAW-AMERICAN AXLE
 

Chevrolet Express 2500



4.3L V6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo W/SHAFT,DIF GEARS AND SI. GEARS
EXCEPT POSITRACTION L/SLIP R/AXL(G80)
9.50 RING GEAR SAGINAW-AMERICAN AXLE

1 Per Vehicle

2001

 

2001

 
Chevrolet Express 2500

5.7L V8 CNG OHV
1
 		 
W/SHAFT,DIF GEARS AND SI. GEARS
EXCEPT POSITRACTION L/SLIP R/AXL(G80)
9.50 RING GEAR SAGINAW-AMERICAN AXLE
 

Chevrolet Express 2500



5.7L V8 CNG 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

2003

 

2002

 

2001

 

2003

 

2002

 

2001

 
Chevrolet Silverado 1500 HD

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



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

2002

 

2001

 

2002

 

2001

 
Chevrolet Silverado 1500 HD

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

Chevrolet Silverado 1500 HD



6.0L V8 Gas OHV

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

1 Per Vehicle

2004

 

2003

 

2002

 

2001

 

2004

 

2003

 

2002

 

2001

 
Chevrolet Silverado 2500

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
Extended Cab Pickup
4 Doors
 

Chevrolet Silverado 2500



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
Extended Cab Pickup
4 Doors

1 Per Vehicle

2004

 

2003

 

2002

 

2001

 

2004

 

2003

 

2002

 

2001

 
Chevrolet Silverado 2500

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
Standard Cab Pickup
2 Doors
 

Chevrolet Silverado 2500



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
Standard Cab Pickup
2 Doors

1 Per Vehicle

2002

 

2001

 

2002

 

2001

 
Chevrolet Silverado 2500

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

Chevrolet Silverado 2500



6.0L V8 Gas OHV

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

1 Per Vehicle

2004

 

2003

 

2002

 

2001

 

2004

 

2003

 

2002

 

2001

 
Chevrolet Silverado 2500 HD

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L 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
Extended Cab Pickup
4 Doors
 

Chevrolet Silverado 2500 HD



6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L 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
Extended Cab Pickup
4 Doors

1 Per Vehicle

2004

 

2003

 

2002

 

2001

 

2004

 

2003

 

2002

 

2001

 
Chevrolet Silverado 2500 HD

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L 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
Standard Cab Pickup
2 Doors
 

Chevrolet Silverado 2500 HD



6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L 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
Standard Cab Pickup
2 Doors

1 Per Vehicle

2002

 

2001

 

2002

 

2001

 
Chevrolet Silverado 2500 HD

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



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

2002

 

2001

 

2002

 

2001

 
Chevrolet Silverado 3500

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



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

2004

 

2003

 

2002

 

2001

 

2004

 

2003

 

2002

 

2001

 
Chevrolet Suburban 2500

8.1L 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 Suburban 2500



8.1L 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

2004

 

2003

 

2002

 

2001

 

2000

 

2004

 

2003

 

2002

 

2001

 

2000

 
Chevrolet Suburban 2500

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 Suburban 2500



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

2002

 

2001

 

2002

 

2001

 
Chevrolet Suburban 2500

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

Chevrolet Suburban 2500



6.0L V8 Gas OHV,
8.1L V8 Gas OHV

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

1 Per Vehicle

2002

 

2001

 

2002

 

2001

 
GMC Savana 2500

5.7L V8 Bi-Fuel OHV
1
 		 
W/SHAFT,DIF GEARS AND SI. GEARS
EXCEPT POSITRACTION L/SLIP R/AXL(G80)
9.50 RING GEAR SAGINAW-AMERICAN AXLE
 

GMC Savana 2500



5.7L V8 Bi-Fuel 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

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 

1996

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 

1996

 
GMC Savana 2500

4.3L V6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo
1
 		 
W/SHAFT,DIF GEARS AND SI. GEARS
EXCEPT POSITRACTION L/SLIP R/AXL(G80)
9.50 RING GEAR SAGINAW-AMERICAN AXLE
 

GMC Savana 2500



4.3L V6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo W/SHAFT,DIF GEARS AND SI. GEARS
EXCEPT POSITRACTION L/SLIP R/AXL(G80)
9.50 RING GEAR SAGINAW-AMERICAN AXLE

1 Per Vehicle

2003

 

2002

 

2001

 

2003

 

2002

 

2001

 
GMC Sierra 1500 HD

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



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

2002

 

2001

 

2002

 

2001

 
GMC Sierra 1500 HD

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

GMC Sierra 1500 HD



6.0L V8 Gas OHV

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

1 Per Vehicle

2004

 

2003

 

2002

 

2001

 

2004

 

2003

 

2002

 

2001

 
GMC Sierra 2500

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
Extended Cab Pickup
4 Doors
 

GMC Sierra 2500



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
Extended Cab Pickup
4 Doors

1 Per Vehicle

2002

 

2001

 

2002

 

2001

 
GMC Sierra 2500

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

GMC Sierra 2500



6.0L V8 Gas OHV

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

1 Per Vehicle

2004

 

2003

 

2002

 

2001

 

2004

 

2003

 

2002

 

2001

 
GMC Sierra 2500 HD

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L 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
Extended Cab Pickup
4 Doors
 

GMC Sierra 2500 HD



6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L 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
Extended Cab Pickup
4 Doors

1 Per Vehicle

2004

 

2003

 

2002

 

2001

 

2004

 

2003

 

2002

 

2001

 
GMC Sierra 2500 HD

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L 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
Standard Cab Pickup
2 Doors
 

GMC Sierra 2500 HD



6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L 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
Standard Cab Pickup
2 Doors

1 Per Vehicle

2002

 

2001

 

2002

 

2001

 
GMC Sierra 2500 HD

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



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

2002

 

2001

 

2002

 

2001

 
GMC Sierra 3500

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



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

2004

 

2003

 

2002

 

2001

 

2004

 

2003

 

2002

 

2001

 
GMC Yukon XL 2500

8.1L 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 Yukon XL 2500



8.1L 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

2004

 

2003

 

2002

 

2001

 

2000

 

2004

 

2003

 

2002

 

2001

 

2000

 
GMC Yukon XL 2500

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 Yukon XL 2500



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

2002

 

2001

 

2002

 

2001

 
GMC Yukon XL 2500

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

GMC Yukon XL 2500



6.0L V8 Gas OHV,
8.1L V8 Gas OHV

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

1 Per Vehicle

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