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ACDelco 12478092 Transfer Case Housing

ACDelco 12478092 Transfer Case Housing Image 1
ACDelco 12478092 Transfer Case Housing Image 2
ACDelco 12478092 Transfer Case Housing

ACDelco
Brand:ACDelco
Part Number: 12478092
UPC: 00808709310907
Weight: 10 lbs
Condition:New



On Sale:

$855.78

Availability:
1 in Stock
Warehouse: US-4
Quantity:

Product Information

Description:

Get the ACDelco 12478092 Transfer Case Housing for your vehicle. Buy now and secure your purchase online!

GM Genuine Parts Transfer Case Housings 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:

Color:
Natural
Height (in):
10.75 in
Length:
22.5 in.
Material:
Aluminum
Mount Hole Quantity:
17
Programming Required:
No
Weight (lb):
10 lb
Width (in):
12.38 in
Country of Origin:
US

Select a vehicle to narrow ACDelco 12478092 Transfer Case Housing fitment info!

Last Updated: 04/07/2024

Years Vehicle Per Vehicle Position Fit NotesFitment Notes
Chevrolet Silverado 2500 HD

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Rear
 
2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: 1000
4WD
 

Chevrolet Silverado 2500 HD



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

Rear 2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: 1000
4WD

1 Per Vehicle
Chevrolet Silverado 2500 HD

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Rear
 
2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: S6-650
4WD
 

Chevrolet Silverado 2500 HD



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

Rear 2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: S6-650
4WD

1 Per Vehicle
Chevrolet Silverado 2500 HD

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Rear
 
ELECTRIC SHIFT 2 SPEED TRANSFER CASE(NP1)
Mfr Code: 1000
4WD
 

Chevrolet Silverado 2500 HD



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

Rear ELECTRIC SHIFT 2 SPEED TRANSFER CASE(NP1)
Mfr Code: 1000
4WD

1 Per Vehicle
Chevrolet Silverado 2500 HD

6.0L V8 CNG OHV
1
 
Rear
 
2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: 1000
4WD
 

Chevrolet Silverado 2500 HD



6.0L V8 CNG OHV

Rear 2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: 1000
4WD

1 Per Vehicle
Chevrolet Silverado 2500 HD

6.0L V8 CNG OHV
1
 
Rear
 
2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: S6-650
4WD
 

Chevrolet Silverado 2500 HD



6.0L V8 CNG OHV

Rear 2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: S6-650
4WD

1 Per Vehicle
Chevrolet Silverado 2500 HD

6.0L V8 CNG OHV
1
 
Rear
 
ELECTRIC SHIFT 2 SPEED TRANSFER CASE(NP1)
Mfr Code: 1000
4WD
 

Chevrolet Silverado 2500 HD



6.0L V8 CNG OHV

Rear ELECTRIC SHIFT 2 SPEED TRANSFER CASE(NP1)
Mfr Code: 1000
4WD

1 Per Vehicle
Chevrolet Silverado 2500 HD

6.0L V8 CNG OHV
1
 
Rear
 
2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: 1000/M74
4WD
 

Chevrolet Silverado 2500 HD



6.0L V8 CNG OHV

Rear 2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: 1000/M74
4WD

1 Per Vehicle
Chevrolet Silverado 2500 HD

6.0L V8 CNG OHV
1
 
Rear
 
2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: S6-650/ML6
4WD
 

Chevrolet Silverado 2500 HD



6.0L V8 CNG OHV

Rear 2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: S6-650/ML6
4WD

1 Per Vehicle
Chevrolet Silverado 2500 HD

6.0L V8 CNG OHV
1
 
Rear
 
ELECTRIC SHIFT 2 SPEED TRANSFER CASE(NP1)
Mfr Code: 1000/M74
4WD
 

Chevrolet Silverado 2500 HD



6.0L V8 CNG OHV

Rear ELECTRIC SHIFT 2 SPEED TRANSFER CASE(NP1)
Mfr Code: 1000/M74
4WD

1 Per Vehicle
Chevrolet Silverado 2500 HD

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Rear
 
2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: 1000/M74
4WD
 

Chevrolet Silverado 2500 HD



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

Rear 2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: 1000/M74
4WD

1 Per Vehicle
Chevrolet Silverado 2500 HD

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Rear
 
2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: S6-650/ML6
4WD
 

Chevrolet Silverado 2500 HD



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

Rear 2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: S6-650/ML6
4WD

1 Per Vehicle
Chevrolet Silverado 2500 HD

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Rear
 
ELECTRIC SHIFT 2 SPEED TRANSFER CASE(NP1)
Mfr Code: 1000/M74
4WD
 

Chevrolet Silverado 2500 HD



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

Rear ELECTRIC SHIFT 2 SPEED TRANSFER CASE(NP1)
Mfr Code: 1000/M74
4WD

1 Per Vehicle
Chevrolet Silverado 2500 HD

6.0L V8 Bi-Fuel OHV
1
 
Rear
 
2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: 1000/M74
4WD
 

Chevrolet Silverado 2500 HD



6.0L V8 Bi-Fuel OHV

Rear 2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: 1000/M74
4WD

1 Per Vehicle
Chevrolet Silverado 2500 HD

6.0L V8 Bi-Fuel OHV
1
 
Rear
 
2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: S6-650/ML6
4WD
 

Chevrolet Silverado 2500 HD



6.0L V8 Bi-Fuel OHV

Rear 2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: S6-650/ML6
4WD

1 Per Vehicle
Chevrolet Silverado 2500 HD

6.0L V8 Bi-Fuel OHV
1
 
Rear
 
ELECTRIC SHIFT 2 SPEED TRANSFER CASE(NP1)
Mfr Code: 1000/M74
4WD
 

Chevrolet Silverado 2500 HD



6.0L V8 Bi-Fuel OHV

Rear ELECTRIC SHIFT 2 SPEED TRANSFER CASE(NP1)
Mfr Code: 1000/M74
4WD

1 Per Vehicle
Chevrolet Silverado 2500 HD Classic

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Rear
 
2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: 1000
4WD
 

Chevrolet Silverado 2500 HD Classic



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

Rear 2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: 1000
4WD

1 Per Vehicle
Chevrolet Silverado 2500 HD Classic

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Rear
 
ELECTRIC SHIFT 2 SPEED TRANSFER CASE(NP1)
Mfr Code: 1000
4WD
 

Chevrolet Silverado 2500 HD Classic



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

Rear ELECTRIC SHIFT 2 SPEED TRANSFER CASE(NP1)
Mfr Code: 1000
4WD

1 Per Vehicle
Chevrolet Silverado 3500

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Rear
 
2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: 1000
4WD
 

Chevrolet Silverado 3500



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

Rear 2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: 1000
4WD

1 Per Vehicle
Chevrolet Silverado 3500

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Rear
 
2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: S6-650
4WD
 

Chevrolet Silverado 3500



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

Rear 2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: S6-650
4WD

1 Per Vehicle
Chevrolet Silverado 3500

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Rear
 
ELECTRIC SHIFT 2 SPEED TRANSFER CASE(NP1)
Mfr Code: 1000
4WD
 

Chevrolet Silverado 3500



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

Rear ELECTRIC SHIFT 2 SPEED TRANSFER CASE(NP1)
Mfr Code: 1000
4WD

1 Per Vehicle
Chevrolet Silverado 3500

6.0L V8 CNG OHV
1
 
Rear
 
2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: 1000
4WD
 

Chevrolet Silverado 3500



6.0L V8 CNG OHV

Rear 2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: 1000
4WD

1 Per Vehicle
Chevrolet Silverado 3500

6.0L V8 CNG OHV
1
 
Rear
 
2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: S6-650
4WD
 

Chevrolet Silverado 3500



6.0L V8 CNG OHV

Rear 2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: S6-650
4WD

1 Per Vehicle
Chevrolet Silverado 3500

6.0L V8 CNG OHV
1
 
Rear
 
ELECTRIC SHIFT 2 SPEED TRANSFER CASE(NP1)
Mfr Code: 1000
4WD
 

Chevrolet Silverado 3500



6.0L V8 CNG OHV

Rear ELECTRIC SHIFT 2 SPEED TRANSFER CASE(NP1)
Mfr Code: 1000
4WD

1 Per Vehicle
Chevrolet Silverado 3500

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Rear
 
2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: 1000/M74
4WD
 

Chevrolet Silverado 3500



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

Rear 2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: 1000/M74
4WD

1 Per Vehicle
Chevrolet Silverado 3500

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Rear
 
2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: S6-650/ML6
4WD
 

Chevrolet Silverado 3500



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

Rear 2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: S6-650/ML6
4WD

1 Per Vehicle
Chevrolet Silverado 3500

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Rear
 
ELECTRIC SHIFT 2 SPEED TRANSFER CASE(NP1)
Mfr Code: 1000/M74
4WD
 

Chevrolet Silverado 3500



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

Rear ELECTRIC SHIFT 2 SPEED TRANSFER CASE(NP1)
Mfr Code: 1000/M74
4WD

1 Per Vehicle
Chevrolet Silverado 3500 Classic

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Rear
 
2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: 1000
4WD
 

Chevrolet Silverado 3500 Classic



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

Rear 2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: 1000
4WD

1 Per Vehicle
Chevrolet Silverado 3500 Classic

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Rear
 
ELECTRIC SHIFT 2 SPEED TRANSFER CASE(NP1)
Mfr Code: 1000
4WD
 

Chevrolet Silverado 3500 Classic



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

Rear ELECTRIC SHIFT 2 SPEED TRANSFER CASE(NP1)
Mfr Code: 1000
4WD

1 Per Vehicle
GMC Sierra 2500 HD

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Rear
 
2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: 1000
4WD
 

GMC Sierra 2500 HD



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

Rear 2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: 1000
4WD

1 Per Vehicle
GMC Sierra 2500 HD

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Rear
 
2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: S6-650
4WD
 

GMC Sierra 2500 HD



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

Rear 2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: S6-650
4WD

1 Per Vehicle
GMC Sierra 2500 HD

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Rear
 
ELECTRIC SHIFT 2 SPEED TRANSFER CASE(NP1)
Mfr Code: 1000
4WD
 

GMC Sierra 2500 HD



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

Rear ELECTRIC SHIFT 2 SPEED TRANSFER CASE(NP1)
Mfr Code: 1000
4WD

1 Per Vehicle
GMC Sierra 2500 HD

6.0L V8 CNG OHV
1
 
Rear
 
2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: 1000
4WD
 

GMC Sierra 2500 HD



6.0L V8 CNG OHV

Rear 2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: 1000
4WD

1 Per Vehicle
GMC Sierra 2500 HD

6.0L V8 CNG OHV
1
 
Rear
 
2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: S6-650
4WD
 

GMC Sierra 2500 HD



6.0L V8 CNG OHV

Rear 2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: S6-650
4WD

1 Per Vehicle
GMC Sierra 2500 HD

6.0L V8 CNG OHV
1
 
Rear
 
ELECTRIC SHIFT 2 SPEED TRANSFER CASE(NP1)
Mfr Code: 1000
4WD
 

GMC Sierra 2500 HD



6.0L V8 CNG OHV

Rear ELECTRIC SHIFT 2 SPEED TRANSFER CASE(NP1)
Mfr Code: 1000
4WD

1 Per Vehicle
GMC Sierra 2500 HD

6.0L V8 CNG OHV
1
 
Rear
 
2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: 1000/M74
4WD
 

GMC Sierra 2500 HD



6.0L V8 CNG OHV

Rear 2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: 1000/M74
4WD

1 Per Vehicle
GMC Sierra 2500 HD

6.0L V8 CNG OHV
1
 
Rear
 
2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: S6-650/ML6
4WD
 

GMC Sierra 2500 HD



6.0L V8 CNG OHV

Rear 2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: S6-650/ML6
4WD

1 Per Vehicle
GMC Sierra 2500 HD

6.0L V8 CNG OHV
1
 
Rear
 
ELECTRIC SHIFT 2 SPEED TRANSFER CASE(NP1)
Mfr Code: 1000/M74
4WD
 

GMC Sierra 2500 HD



6.0L V8 CNG OHV

Rear ELECTRIC SHIFT 2 SPEED TRANSFER CASE(NP1)
Mfr Code: 1000/M74
4WD

1 Per Vehicle
GMC Sierra 2500 HD

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Rear
 
2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: 1000/M74
4WD
 

GMC Sierra 2500 HD



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

Rear 2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: 1000/M74
4WD

1 Per Vehicle
GMC Sierra 2500 HD

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Rear
 
2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: S6-650/ML6
4WD
 

GMC Sierra 2500 HD



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

Rear 2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: S6-650/ML6
4WD

1 Per Vehicle
GMC Sierra 2500 HD

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Rear
 
ELECTRIC SHIFT 2 SPEED TRANSFER CASE(NP1)
Mfr Code: 1000/M74
4WD
 

GMC Sierra 2500 HD



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

Rear ELECTRIC SHIFT 2 SPEED TRANSFER CASE(NP1)
Mfr Code: 1000/M74
4WD

1 Per Vehicle
GMC Sierra 2500 HD

6.0L V8 Bi-Fuel OHV
1
 
Rear
 
2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: 1000/M74
4WD
 

GMC Sierra 2500 HD



6.0L V8 Bi-Fuel OHV

Rear 2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: 1000/M74
4WD

1 Per Vehicle
GMC Sierra 2500 HD

6.0L V8 Bi-Fuel OHV
1
 
Rear
 
2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: S6-650/ML6
4WD
 

GMC Sierra 2500 HD



6.0L V8 Bi-Fuel OHV

Rear 2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: S6-650/ML6
4WD

1 Per Vehicle
GMC Sierra 2500 HD

6.0L V8 Bi-Fuel OHV
1
 
Rear
 
ELECTRIC SHIFT 2 SPEED TRANSFER CASE(NP1)
Mfr Code: 1000/M74
4WD
 

GMC Sierra 2500 HD



6.0L V8 Bi-Fuel OHV

Rear ELECTRIC SHIFT 2 SPEED TRANSFER CASE(NP1)
Mfr Code: 1000/M74
4WD

1 Per Vehicle
GMC Sierra 2500 HD Classic

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Rear
 
2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: 1000
4WD
 

GMC Sierra 2500 HD Classic



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

Rear 2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: 1000
4WD

1 Per Vehicle
GMC Sierra 2500 HD Classic

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Rear
 
ELECTRIC SHIFT 2 SPEED TRANSFER CASE(NP1)
Mfr Code: 1000
4WD
 

GMC Sierra 2500 HD Classic



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

Rear ELECTRIC SHIFT 2 SPEED TRANSFER CASE(NP1)
Mfr Code: 1000
4WD

1 Per Vehicle
GMC Sierra 3500

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Rear
 
2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: 1000
4WD
 

GMC Sierra 3500



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

Rear 2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: 1000
4WD

1 Per Vehicle
GMC Sierra 3500

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Rear
 
2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: S6-650
4WD
 

GMC Sierra 3500



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

Rear 2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: S6-650
4WD

1 Per Vehicle
GMC Sierra 3500

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Rear
 
ELECTRIC SHIFT 2 SPEED TRANSFER CASE(NP1)
Mfr Code: 1000
4WD
 

GMC Sierra 3500



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

Rear ELECTRIC SHIFT 2 SPEED TRANSFER CASE(NP1)
Mfr Code: 1000
4WD

1 Per Vehicle
GMC Sierra 3500

6.0L V8 CNG OHV
1
 
Rear
 
2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: 1000
4WD
 

GMC Sierra 3500



6.0L V8 CNG OHV

Rear 2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: 1000
4WD

1 Per Vehicle
GMC Sierra 3500

6.0L V8 CNG OHV
1
 
Rear
 
2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: S6-650
4WD
 

GMC Sierra 3500



6.0L V8 CNG OHV

Rear 2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: S6-650
4WD

1 Per Vehicle
GMC Sierra 3500

6.0L V8 CNG OHV
1
 
Rear
 
ELECTRIC SHIFT 2 SPEED TRANSFER CASE(NP1)
Mfr Code: 1000
4WD
 

GMC Sierra 3500



6.0L V8 CNG OHV

Rear ELECTRIC SHIFT 2 SPEED TRANSFER CASE(NP1)
Mfr Code: 1000
4WD

1 Per Vehicle
GMC Sierra 3500

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Rear
 
2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: 1000/M74
4WD
 

GMC Sierra 3500



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

Rear 2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: 1000/M74
4WD

1 Per Vehicle
GMC Sierra 3500

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Rear
 
2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: S6-650/ML6
4WD
 

GMC Sierra 3500



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

Rear 2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: S6-650/ML6
4WD

1 Per Vehicle
GMC Sierra 3500

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Rear
 
ELECTRIC SHIFT 2 SPEED TRANSFER CASE(NP1)
Mfr Code: 1000/M74
4WD
 

GMC Sierra 3500



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

Rear ELECTRIC SHIFT 2 SPEED TRANSFER CASE(NP1)
Mfr Code: 1000/M74
4WD

1 Per Vehicle
GMC Sierra 3500 Classic

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Rear
 
2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: 1000
4WD
 

GMC Sierra 3500 Classic



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

Rear 2 SPEED MANUAL SHIFT TRANSFER CASE(NP2)
Mfr Code: 1000
4WD

1 Per Vehicle
GMC Sierra 3500 Classic

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Rear
 
ELECTRIC SHIFT 2 SPEED TRANSFER CASE(NP1)
Mfr Code: 1000
4WD
 

GMC Sierra 3500 Classic



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

Rear ELECTRIC SHIFT 2 SPEED TRANSFER CASE(NP1)
Mfr Code: 1000
4WD

1 Per Vehicle