ACDelco 84757398 Differential Ring and Pinion
for 2020 GMC Sierra 3500 HD 6.6L V8 Gas OHV


Brand:	ACDelco
Part Number:	84757398
UPC:	00193468255621
Weight:	40 lbs
Condition:	New

Availability:	0 in Stock
	OUT OF STOCK

Product Information

Description:

Get the ACDelco 84757398 Differential Ring and Pinion for your 2020 GMC Sierra 3500 HD. Buy now and secure your purchase online!

ACDelco GM Original Equipment Differential Ring and Pinions are designed, engineered, and tested to rigorous standards, and are backed by General Motors. Ring and pinion refers to the connection point between a ring gear and drive pinion, which are two components of your vehicle's differential. These components allow rotational force to be transmitted to the wheels so that they can roll backwards, and forwards, as needed. ACDelco GM Original Equipment parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional. WARNING: Cancer and Reproductive Harm - https://www.P65Warnings.ca.gov

Features and Benefits:

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

Specifications:

Axle Type:

Full Floating

Gear Ratio:

3-73

Height:

10.75 in.

Length:

14.5 in.

Mounting Hardware Included:

Yes

Pinion Gear Shaft Length:

8.54 in.

Pinion Shaft Diameter:

2.26 in.

Programming Required:

Ring Gear Inside Diameter:

7.37 in.

Ring Gear Outside Diameter:

11.5 in.

Shims Included:

Weight:

40 lb

Width:

13.25 in.

Manufacturer Warranty:

24 Months/Unlimited Miles Warranty (Parts Only). Please see ACDelco.com for more details

ACDelco 84757398 Differential Ring and Pinion compatibility with your 2020 GMC Sierra 3500 HD...

Last Updated: 09/01/2022

Years

Vehicle

Per Vehicle

Fit Notes

Fitment Notes

2022

2021

2020

2022

2021

2020

GMC Sierra 3500 HD

6.6L V8 Gas OHV

1 GM Original Equipment
3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80), SINGLE REAR WHEELS(SRW)
Eng: L8T
8th VIN Digit: 7
Crew Cab Pickup
4 Doors
Wheel Base 172.0 In.

GMC Sierra 3500 HD

6.6L V8 Gas OHV GM Original Equipment
3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80), SINGLE REAR WHEELS(SRW)
Eng: L8T
8th VIN Digit: 7
Crew Cab Pickup
4 Doors
Wheel Base 172.0 In.

1 Per Vehicle

2022

2021

2020

2022

2021

2020

GMC Sierra 3500 HD

6.6L V8 Gas OHV

1 GM Original Equipment
3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80), SINGLE REAR WHEELS(SRW)
Eng: L8T
8th VIN Digit: 7
Extended Cab Pickup
4 Doors
Wheel Base 162.5 In.

GMC Sierra 3500 HD

6.6L V8 Gas OHV GM Original Equipment
3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80), SINGLE REAR WHEELS(SRW)
Eng: L8T
8th VIN Digit: 7
Extended Cab Pickup
4 Doors
Wheel Base 162.5 In.

1 Per Vehicle

2022

2021

2020

2022

2021

2020

GMC Sierra 3500 HD

6.6L V8 Gas OHV

1 GM Original Equipment
3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80), SINGLE REAR WHEELS(SRW)
Eng: L8T
8th VIN Digit: 7
Standard Cab Pickup
2 Doors
Wheel Base 141.5 In.

GMC Sierra 3500 HD

6.6L V8 Gas OHV GM Original Equipment
3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80), SINGLE REAR WHEELS(SRW)
Eng: L8T
8th VIN Digit: 7
Standard Cab Pickup
2 Doors
Wheel Base 141.5 In.

1 Per Vehicle

2022

2021

2020

2022

2021

2020

GMC Sierra 3500 HD

6.6L V8 Gas OHV

1 GM Original Equipment
3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80)
Eng: L8T
8th VIN Digit: 7
Crew Cab Pickup
4 Doors
Wheel Base 158.9 In.

GMC Sierra 3500 HD

6.6L V8 Gas OHV GM Original Equipment
3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80)
Eng: L8T
8th VIN Digit: 7
Crew Cab Pickup
4 Doors
Wheel Base 158.9 In.

1 Per Vehicle

2022

2021

2020

2022

2021

2020

GMC Sierra 3500 HD

6.6L V8 Gas OHV

1 GM Original Equipment
DUAL REAR WHEEL, RIDE & HANDLING(DZW), 3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80)
Eng: L8T
8th VIN Digit: 7
Crew Cab Pickup
4 Doors
Wheel Base 172.0 In.

GMC Sierra 3500 HD

6.6L V8 Gas OHV GM Original Equipment
DUAL REAR WHEEL, RIDE & HANDLING(DZW), 3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80)
Eng: L8T
8th VIN Digit: 7
Crew Cab Pickup
4 Doors
Wheel Base 172.0 In.

1 Per Vehicle

2022

2021

2020

2022

2021

2020

GMC Sierra 3500 HD

6.6L V8 Gas OHV

1 GM Original Equipment
DUAL REAR WHEEL, RIDE & HANDLING(DZW), 3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80)
Eng: L8T
8th VIN Digit: 7
Extended Cab Pickup
4 Doors
Wheel Base 162.5 In.

GMC Sierra 3500 HD

6.6L V8 Gas OHV GM Original Equipment
DUAL REAR WHEEL, RIDE & HANDLING(DZW), 3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80)
Eng: L8T
8th VIN Digit: 7
Extended Cab Pickup
4 Doors
Wheel Base 162.5 In.

1 Per Vehicle

2022

2021

2020

2022

2021

2020

GMC Sierra 3500 HD

6.6L V8 Gas OHV

1 GM Original Equipment
DUAL REAR WHEEL, RIDE & HANDLING(DZW), 3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80)
Eng: L8T
8th VIN Digit: 7
Standard Cab Pickup
2 Doors
Wheel Base 141.5 In.

GMC Sierra 3500 HD

6.6L V8 Gas OHV GM Original Equipment
DUAL REAR WHEEL, RIDE & HANDLING(DZW), 3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80)
Eng: L8T
8th VIN Digit: 7
Standard Cab Pickup
2 Doors
Wheel Base 141.5 In.

1 Per Vehicle

2022

2021

2020

2022

2021

2020

GMC Sierra 3500 HD

6.6L V8 Gas OHV

1 GM Original Equipment
DUAL REAR WHEEL, RIDE & HANDLING(DZW), 3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80)
Eng: L8T
8th VIN Digit: 7
Wheel Base 146.3 In.

GMC Sierra 3500 HD

6.6L V8 Gas OHV GM Original Equipment
DUAL REAR WHEEL, RIDE & HANDLING(DZW), 3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80)
Eng: L8T
8th VIN Digit: 7
Wheel Base 146.3 In.

1 Per Vehicle

2022

2021

2020

2022

2021

2020

GMC Sierra 3500 HD

6.6L V8 Gas OHV

1 GM Original Equipment
DUAL REAR WHEEL, RIDE & HANDLING(DZW), 3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80)
Eng: L8T
8th VIN Digit: 7
Wheel Base 170.8 In.

GMC Sierra 3500 HD

6.6L V8 Gas OHV GM Original Equipment
DUAL REAR WHEEL, RIDE & HANDLING(DZW), 3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80)
Eng: L8T
8th VIN Digit: 7
Wheel Base 170.8 In.

1 Per Vehicle

2022

2021

2020

2022

2021

2020

GMC Sierra 3500 HD

6.6L V8 Gas OHV

1 GM Original Equipment
DUAL REAR WHEEL, RIDE & HANDLING(DZW), 3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80)
Eng: L8T
8th VIN Digit: 7
Wheel Base 176.7 In.

GMC Sierra 3500 HD

6.6L V8 Gas OHV GM Original Equipment
DUAL REAR WHEEL, RIDE & HANDLING(DZW), 3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80)
Eng: L8T
8th VIN Digit: 7
Wheel Base 176.7 In.

1 Per Vehicle

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2020 GMC Sierra 3500 HD

ACDelco 84757398 Differential Ring and Pinionfor 2020 GMC Sierra 3500 HD 6.6L V8 Gas OHV

Product Information

Description:

Features and Benefits:

Specifications:

Manufacturer Warranty:

ACDelco 84757398 Differential Ring and Pinion compatibility with your 2020 GMC Sierra 3500 HD...

2020

2020

GMC Sierra 3500 HD 6.6L V8 Gas OHV

1

GM Original Equipment3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80), SINGLE REAR WHEELS(SRW)Eng: L8T8th VIN Digit: 7Crew Cab Pickup4 DoorsWheel Base 172.0 In.

GMC Sierra 3500 HD

6.6L V8 Gas OHV GM Original Equipment3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80), SINGLE REAR WHEELS(SRW)Eng: L8T8th VIN Digit: 7Crew Cab Pickup4 DoorsWheel Base 172.0 In. 1 Per Vehicle

2020

2020

GMC Sierra 3500 HD 6.6L V8 Gas OHV

1

GM Original Equipment3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80), SINGLE REAR WHEELS(SRW)Eng: L8T8th VIN Digit: 7Extended Cab Pickup4 DoorsWheel Base 162.5 In.

GMC Sierra 3500 HD

6.6L V8 Gas OHV GM Original Equipment3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80), SINGLE REAR WHEELS(SRW)Eng: L8T8th VIN Digit: 7Extended Cab Pickup4 DoorsWheel Base 162.5 In. 1 Per Vehicle

2020

2020

GMC Sierra 3500 HD 6.6L V8 Gas OHV

1

GM Original Equipment3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80), SINGLE REAR WHEELS(SRW)Eng: L8T8th VIN Digit: 7Standard Cab Pickup2 DoorsWheel Base 141.5 In.

GMC Sierra 3500 HD

6.6L V8 Gas OHV GM Original Equipment3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80), SINGLE REAR WHEELS(SRW)Eng: L8T8th VIN Digit: 7Standard Cab Pickup2 DoorsWheel Base 141.5 In. 1 Per Vehicle

2020

2020

GMC Sierra 3500 HD 6.6L V8 Gas OHV

1

GM Original Equipment3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80)Eng: L8T8th VIN Digit: 7Crew Cab Pickup4 DoorsWheel Base 158.9 In.

GMC Sierra 3500 HD

6.6L V8 Gas OHV GM Original Equipment3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80)Eng: L8T8th VIN Digit: 7Crew Cab Pickup4 DoorsWheel Base 158.9 In. 1 Per Vehicle

2020

2020

GMC Sierra 3500 HD 6.6L V8 Gas OHV

1

GM Original EquipmentDUAL REAR WHEEL, RIDE & HANDLING(DZW), 3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80)Eng: L8T8th VIN Digit: 7Crew Cab Pickup4 DoorsWheel Base 172.0 In.

GMC Sierra 3500 HD

6.6L V8 Gas OHV GM Original EquipmentDUAL REAR WHEEL, RIDE & HANDLING(DZW), 3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80)Eng: L8T8th VIN Digit: 7Crew Cab Pickup4 DoorsWheel Base 172.0 In. 1 Per Vehicle

2020

2020

GMC Sierra 3500 HD 6.6L V8 Gas OHV

1

GM Original EquipmentDUAL REAR WHEEL, RIDE & HANDLING(DZW), 3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80)Eng: L8T8th VIN Digit: 7Extended Cab Pickup4 DoorsWheel Base 162.5 In.

GMC Sierra 3500 HD

6.6L V8 Gas OHV GM Original EquipmentDUAL REAR WHEEL, RIDE & HANDLING(DZW), 3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80)Eng: L8T8th VIN Digit: 7Extended Cab Pickup4 DoorsWheel Base 162.5 In. 1 Per Vehicle

2020

2020

GMC Sierra 3500 HD 6.6L V8 Gas OHV

1

GM Original EquipmentDUAL REAR WHEEL, RIDE & HANDLING(DZW), 3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80)Eng: L8T8th VIN Digit: 7Standard Cab Pickup2 DoorsWheel Base 141.5 In.

GMC Sierra 3500 HD

6.6L V8 Gas OHV GM Original EquipmentDUAL REAR WHEEL, RIDE & HANDLING(DZW), 3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80)Eng: L8T8th VIN Digit: 7Standard Cab Pickup2 DoorsWheel Base 141.5 In. 1 Per Vehicle

2020

2020

GMC Sierra 3500 HD 6.6L V8 Gas OHV

1

GM Original EquipmentDUAL REAR WHEEL, RIDE & HANDLING(DZW), 3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80)Eng: L8T8th VIN Digit: 7Wheel Base 146.3 In.

GMC Sierra 3500 HD

6.6L V8 Gas OHV GM Original EquipmentDUAL REAR WHEEL, RIDE & HANDLING(DZW), 3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80)Eng: L8T8th VIN Digit: 7Wheel Base 146.3 In. 1 Per Vehicle

2020

2020

GMC Sierra 3500 HD 6.6L V8 Gas OHV

1

GM Original EquipmentDUAL REAR WHEEL, RIDE & HANDLING(DZW), 3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80)Eng: L8T8th VIN Digit: 7Wheel Base 170.8 In.

GMC Sierra 3500 HD

6.6L V8 Gas OHV GM Original EquipmentDUAL REAR WHEEL, RIDE & HANDLING(DZW), 3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80)Eng: L8T8th VIN Digit: 7Wheel Base 170.8 In. 1 Per Vehicle

2020

2020

GMC Sierra 3500 HD 6.6L V8 Gas OHV

1

GM Original EquipmentDUAL REAR WHEEL, RIDE & HANDLING(DZW), 3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80)Eng: L8T8th VIN Digit: 7Wheel Base 176.7 In.

GMC Sierra 3500 HD

6.6L V8 Gas OHV GM Original EquipmentDUAL REAR WHEEL, RIDE & HANDLING(DZW), 3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80)Eng: L8T8th VIN Digit: 7Wheel Base 176.7 In. 1 Per Vehicle

Didn't find a match for your vehicle?

SAVE 10% SITEWIDE
Click to Apply

ACDelco 84757398 Differential Ring and Pinion
for 2020 GMC Sierra 3500 HD 6.6L V8 Gas OHV

GMC Sierra 3500 HD

6.6L V8 Gas OHV

GM Original Equipment
3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80), SINGLE REAR WHEELS(SRW)
Eng: L8T
8th VIN Digit: 7
Crew Cab Pickup
4 Doors
Wheel Base 172.0 In.

6.6L V8 Gas OHV GM Original Equipment
3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80), SINGLE REAR WHEELS(SRW)
Eng: L8T
8th VIN Digit: 7
Crew Cab Pickup
4 Doors
Wheel Base 172.0 In.

1 Per Vehicle

GMC Sierra 3500 HD

6.6L V8 Gas OHV

GM Original Equipment
3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80), SINGLE REAR WHEELS(SRW)
Eng: L8T
8th VIN Digit: 7
Extended Cab Pickup
4 Doors
Wheel Base 162.5 In.

6.6L V8 Gas OHV GM Original Equipment
3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80), SINGLE REAR WHEELS(SRW)
Eng: L8T
8th VIN Digit: 7
Extended Cab Pickup
4 Doors
Wheel Base 162.5 In.

1 Per Vehicle

GMC Sierra 3500 HD

6.6L V8 Gas OHV

GM Original Equipment
3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80), SINGLE REAR WHEELS(SRW)
Eng: L8T
8th VIN Digit: 7
Standard Cab Pickup
2 Doors
Wheel Base 141.5 In.

6.6L V8 Gas OHV GM Original Equipment
3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80), SINGLE REAR WHEELS(SRW)
Eng: L8T
8th VIN Digit: 7
Standard Cab Pickup
2 Doors
Wheel Base 141.5 In.

1 Per Vehicle

GMC Sierra 3500 HD

6.6L V8 Gas OHV

GM Original Equipment
3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80)
Eng: L8T
8th VIN Digit: 7
Crew Cab Pickup
4 Doors
Wheel Base 158.9 In.

6.6L V8 Gas OHV GM Original Equipment
3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80)
Eng: L8T
8th VIN Digit: 7
Crew Cab Pickup
4 Doors
Wheel Base 158.9 In.

1 Per Vehicle

GMC Sierra 3500 HD

6.6L V8 Gas OHV

GM Original Equipment
DUAL REAR WHEEL, RIDE & HANDLING(DZW), 3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80)
Eng: L8T
8th VIN Digit: 7
Crew Cab Pickup
4 Doors
Wheel Base 172.0 In.

6.6L V8 Gas OHV GM Original Equipment
DUAL REAR WHEEL, RIDE & HANDLING(DZW), 3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80)
Eng: L8T
8th VIN Digit: 7
Crew Cab Pickup
4 Doors
Wheel Base 172.0 In.

1 Per Vehicle

GMC Sierra 3500 HD

6.6L V8 Gas OHV

GM Original Equipment
DUAL REAR WHEEL, RIDE & HANDLING(DZW), 3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80)
Eng: L8T
8th VIN Digit: 7
Extended Cab Pickup
4 Doors
Wheel Base 162.5 In.

6.6L V8 Gas OHV GM Original Equipment
DUAL REAR WHEEL, RIDE & HANDLING(DZW), 3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80)
Eng: L8T
8th VIN Digit: 7
Extended Cab Pickup
4 Doors
Wheel Base 162.5 In.

1 Per Vehicle

GMC Sierra 3500 HD

6.6L V8 Gas OHV

GM Original Equipment
DUAL REAR WHEEL, RIDE & HANDLING(DZW), 3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80)
Eng: L8T
8th VIN Digit: 7
Standard Cab Pickup
2 Doors
Wheel Base 141.5 In.

6.6L V8 Gas OHV GM Original Equipment
DUAL REAR WHEEL, RIDE & HANDLING(DZW), 3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80)
Eng: L8T
8th VIN Digit: 7
Standard Cab Pickup
2 Doors
Wheel Base 141.5 In.

1 Per Vehicle

GMC Sierra 3500 HD

6.6L V8 Gas OHV

GM Original Equipment
DUAL REAR WHEEL, RIDE & HANDLING(DZW), 3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80)
Eng: L8T
8th VIN Digit: 7
Wheel Base 146.3 In.

6.6L V8 Gas OHV GM Original Equipment
DUAL REAR WHEEL, RIDE & HANDLING(DZW), 3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80)
Eng: L8T
8th VIN Digit: 7
Wheel Base 146.3 In.

1 Per Vehicle

GMC Sierra 3500 HD

6.6L V8 Gas OHV

GM Original Equipment
DUAL REAR WHEEL, RIDE & HANDLING(DZW), 3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80)
Eng: L8T
8th VIN Digit: 7
Wheel Base 170.8 In.

6.6L V8 Gas OHV GM Original Equipment
DUAL REAR WHEEL, RIDE & HANDLING(DZW), 3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80)
Eng: L8T
8th VIN Digit: 7
Wheel Base 170.8 In.

1 Per Vehicle

GMC Sierra 3500 HD

6.6L V8 Gas OHV

GM Original Equipment
DUAL REAR WHEEL, RIDE & HANDLING(DZW), 3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80)
Eng: L8T
8th VIN Digit: 7
Wheel Base 176.7 In.

6.6L V8 Gas OHV GM Original Equipment
DUAL REAR WHEEL, RIDE & HANDLING(DZW), 3.73R(GT4), POSITRACTION L/SLIP R/AXL(G80)
Eng: L8T
8th VIN Digit: 7
Wheel Base 176.7 In.

1 Per Vehicle