ACDelco 291-366 Axle Shaft Seal
for 2021 GMC Sierra 3500 HD

ACDelco 291-366 Axle Shaft Seal - 2021 GMC Sierra 3500 HD Image 1

ACDelco 291-366 Axle Shaft Seal - 2021 GMC Sierra 3500 HD Image 2

ACDelco 291-366 Axle Shaft Seal - 2021 GMC Sierra 3500 HD


Brand:	ACDelco
Part Number:	291-366
UPC:	193468085365
Weight:	0.11 lbs
Condition:	New

On Sale:

$48.42

Availability:

57 in Stock

Warehouse:

US-4

Quantity:

Product Information

Description:

Get the ACDelco 291-366 Axle Shaft Seal for your 2021 GMC Sierra 3500 HD. Buy now and secure your purchase online!

ACDelco GM Original Equipment Axle Shaft Seals seal in lubricant and help keep dirt and water out of your axle shaft assembly, and are GM-recommended replacements for your vehicle's original components. These seals conform to the rotating surface to help provide leak-free operation. These original equipment axle shaft seals have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors. ⚠ WARNING: Cancer and Reproductive Harm - https://www.P65Warnings.ca.gov

Features and Benefits:

Conforms to the rotating surface to help provide leak-free operation
GM-recommended replacement part for your GM vehicle's original factory component
Helps keep dirt and water out of your axle shaft assembly
Manufactured to GM OE specification for fit, form, and function
Offering the quality, reliability, and durability of GM OE

Specifications:

Color:

"Black, Gray"

Inside Diameter:

3.4 in.

Inside Diameter:

86.25 mm

Material:

Rubber

Outside Diameter:

113.66 mm

Outside Diameter:

4.47 in.

Programming Required:

Rim Shape:

Round

Seal Type:

Gasket

Sealant Included:

Shape:

Round

Thickness:

0.69 in.

Thickness:

17.51 mm

Universal Or Specific Fit:

Specific

Width:

120.9 mm

Width:

4.76 in.

Country of Origin:

ACDelco 291-366 Axle Shaft Seal compatibility with your 2021 GMC Sierra 3500 HD...

Last Updated: 05/04/2024

Years

Vehicle

Per Vehicle

Position

Fit Notes

Fitment Notes

2021

GMC Sierra 3500 HD

6.6L V8 Flex OHV

2 Rear

Bed Length N/R In.
Wheel Base 146.3 In.

GMC Sierra 3500 HD

6.6L V8 Flex OHV

Rear Bed Length N/R In.
Wheel Base 146.3 In.

2 Per Vehicle

2021

GMC Sierra 3500 HD

6.6L V8 Flex OHV

2 Rear

Bed Length N/R In.
Wheel Base 170.8 In.

GMC Sierra 3500 HD

6.6L V8 Flex OHV

Rear Bed Length N/R In.
Wheel Base 170.8 In.

2 Per Vehicle

2021

GMC Sierra 3500 HD

6.6L V8 Flex OHV

2 Rear

Bed Length N/R In.
Wheel Base 176.7 In.

GMC Sierra 3500 HD

6.6L V8 Flex OHV

Rear Bed Length N/R In.
Wheel Base 176.7 In.

2 Per Vehicle

2021

GMC Sierra 3500 HD

6.6L V8 Flex OHV

2 Rear

DUAL REAR WHEEL, RIDE AND HANDLING(DZW)
Bed Length 98.2 In.
Wheel Base 141.5 In.

GMC Sierra 3500 HD

6.6L V8 Flex OHV

Rear DUAL REAR WHEEL, RIDE AND HANDLING(DZW)
Bed Length 98.2 In.
Wheel Base 141.5 In.

2 Per Vehicle

2021

GMC Sierra 3500 HD

6.6L V8 Flex OHV

2 Rear

DUAL REAR WHEEL, RIDE AND HANDLING(DZW)
Bed Length 98.2 In.
Wheel Base 162.5 In.

GMC Sierra 3500 HD

6.6L V8 Flex OHV

Rear DUAL REAR WHEEL, RIDE AND HANDLING(DZW)
Bed Length 98.2 In.
Wheel Base 162.5 In.

2 Per Vehicle

2021

GMC Sierra 3500 HD

6.6L V8 Flex OHV

2 Rear

DUAL REAR WHEEL, RIDE AND HANDLING(DZW)
Bed Length 98.2 In.
Wheel Base 172.0 In.

GMC Sierra 3500 HD

6.6L V8 Flex OHV

Rear DUAL REAR WHEEL, RIDE AND HANDLING(DZW)
Bed Length 98.2 In.
Wheel Base 172.0 In.

2 Per Vehicle

2021

GMC Sierra 3500 HD

6.6L V8 Flex OHV

2 Rear

DUAL REAR WHEEL, RIDE AND HANDLING(DZW)
Bed Length N/R In.
Wheel Base 141.5 In.

GMC Sierra 3500 HD

6.6L V8 Flex OHV

Rear DUAL REAR WHEEL, RIDE AND HANDLING(DZW)
Bed Length N/R In.
Wheel Base 141.5 In.

2 Per Vehicle

2021

GMC Sierra 3500 HD

6.6L V8 Flex OHV

2 Rear

DUAL REAR WHEEL, RIDE AND HANDLING(DZW)
Bed Length N/R In.
Wheel Base 162.5 In.

GMC Sierra 3500 HD

6.6L V8 Flex OHV

Rear DUAL REAR WHEEL, RIDE AND HANDLING(DZW)
Bed Length N/R In.
Wheel Base 162.5 In.

2 Per Vehicle

2021

GMC Sierra 3500 HD

6.6L V8 Flex OHV

2 Rear

DUAL REAR WHEEL, RIDE AND HANDLING(DZW)
Bed Length N/R In.
Wheel Base 172.0 In.

GMC Sierra 3500 HD

6.6L V8 Flex OHV

Rear DUAL REAR WHEEL, RIDE AND HANDLING(DZW)
Bed Length N/R In.
Wheel Base 172.0 In.

2 Per Vehicle

2021

2020

GMC Sierra 3500 HD

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

2 Rear

Bed Length N/R In.
Wheel Base 146.3 In.

GMC Sierra 3500 HD

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

Rear Bed Length N/R In.
Wheel Base 146.3 In.

2 Per Vehicle

2021

2020

GMC Sierra 3500 HD

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

2 Rear

Bed Length N/R In.
Wheel Base 170.8 In.

GMC Sierra 3500 HD

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

Rear Bed Length N/R In.
Wheel Base 170.8 In.

2 Per Vehicle

2021

2020

GMC Sierra 3500 HD

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

2 Rear

Bed Length N/R In.
Wheel Base 176.7 In.

GMC Sierra 3500 HD

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

Rear Bed Length N/R In.
Wheel Base 176.7 In.

2 Per Vehicle

2021

2020

GMC Sierra 3500 HD

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

2 Rear

DUAL REAR WHEEL, RIDE AND HANDLING(DZW)
Bed Length 98.2 In.
Wheel Base 141.5 In.

GMC Sierra 3500 HD

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

Rear DUAL REAR WHEEL, RIDE AND HANDLING(DZW)
Bed Length 98.2 In.
Wheel Base 141.5 In.

2 Per Vehicle

2021

2020

GMC Sierra 3500 HD

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

2 Rear

DUAL REAR WHEEL, RIDE AND HANDLING(DZW)
Bed Length 98.2 In.
Wheel Base 162.5 In.

GMC Sierra 3500 HD

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

Rear DUAL REAR WHEEL, RIDE AND HANDLING(DZW)
Bed Length 98.2 In.
Wheel Base 162.5 In.

2 Per Vehicle

2021

2020

GMC Sierra 3500 HD

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

2 Rear

DUAL REAR WHEEL, RIDE AND HANDLING(DZW)
Bed Length 98.2 In.
Wheel Base 172.0 In.

GMC Sierra 3500 HD

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

Rear DUAL REAR WHEEL, RIDE AND HANDLING(DZW)
Bed Length 98.2 In.
Wheel Base 172.0 In.

2 Per Vehicle

2021

2020

GMC Sierra 3500 HD

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

2 Rear

DUAL REAR WHEEL, RIDE AND HANDLING(DZW)
Bed Length N/R In.
Wheel Base 141.5 In.

GMC Sierra 3500 HD

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

Rear DUAL REAR WHEEL, RIDE AND HANDLING(DZW)
Bed Length N/R In.
Wheel Base 141.5 In.

2 Per Vehicle

2021

2020

GMC Sierra 3500 HD

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

2 Rear

DUAL REAR WHEEL, RIDE AND HANDLING(DZW)
Bed Length N/R In.
Wheel Base 162.5 In.

GMC Sierra 3500 HD

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

Rear DUAL REAR WHEEL, RIDE AND HANDLING(DZW)
Bed Length N/R In.
Wheel Base 162.5 In.

2 Per Vehicle

2021

2020

GMC Sierra 3500 HD

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

2 Rear

DUAL REAR WHEEL, RIDE AND HANDLING(DZW)
Bed Length N/R In.
Wheel Base 172.0 In.

GMC Sierra 3500 HD

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

Rear DUAL REAR WHEEL, RIDE AND HANDLING(DZW)
Bed Length N/R In.
Wheel Base 172.0 In.

2 Per Vehicle

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2021 GMC Sierra 3500 HD

ACDelco 291-366 Axle Shaft Sealfor 2021 GMC Sierra 3500 HD

$48.42

Product Information

Description:

Features and Benefits:

Specifications:

ACDelco 291-366 Axle Shaft Seal compatibility with your 2021 GMC Sierra 3500 HD...

2021

2021

GMC Sierra 3500 HD 6.6L V8 Flex OHV

2

Rear

Bed Length N/R In.Wheel Base 146.3 In.

GMC Sierra 3500 HD

6.6L V8 Flex OHV Rear Bed Length N/R In.Wheel Base 146.3 In. 2 Per Vehicle

2021

2021

GMC Sierra 3500 HD 6.6L V8 Flex OHV

2

Rear

Bed Length N/R In.Wheel Base 170.8 In.

GMC Sierra 3500 HD

6.6L V8 Flex OHV Rear Bed Length N/R In.Wheel Base 170.8 In. 2 Per Vehicle

2021

2021

GMC Sierra 3500 HD 6.6L V8 Flex OHV

2

Rear

Bed Length N/R In.Wheel Base 176.7 In.

GMC Sierra 3500 HD

6.6L V8 Flex OHV Rear Bed Length N/R In.Wheel Base 176.7 In. 2 Per Vehicle

2021

2021

GMC Sierra 3500 HD 6.6L V8 Flex OHV

2

Rear

DUAL REAR WHEEL, RIDE AND HANDLING(DZW)Bed Length 98.2 In.Wheel Base 141.5 In.

GMC Sierra 3500 HD

6.6L V8 Flex OHV Rear DUAL REAR WHEEL, RIDE AND HANDLING(DZW)Bed Length 98.2 In.Wheel Base 141.5 In. 2 Per Vehicle

2021

2021

GMC Sierra 3500 HD 6.6L V8 Flex OHV

2

Rear

DUAL REAR WHEEL, RIDE AND HANDLING(DZW)Bed Length 98.2 In.Wheel Base 162.5 In.

GMC Sierra 3500 HD

6.6L V8 Flex OHV Rear DUAL REAR WHEEL, RIDE AND HANDLING(DZW)Bed Length 98.2 In.Wheel Base 162.5 In. 2 Per Vehicle

2021

2021

GMC Sierra 3500 HD 6.6L V8 Flex OHV

2

Rear

DUAL REAR WHEEL, RIDE AND HANDLING(DZW)Bed Length 98.2 In.Wheel Base 172.0 In.

GMC Sierra 3500 HD

6.6L V8 Flex OHV Rear DUAL REAR WHEEL, RIDE AND HANDLING(DZW)Bed Length 98.2 In.Wheel Base 172.0 In. 2 Per Vehicle

2021

2021

GMC Sierra 3500 HD 6.6L V8 Flex OHV

2

Rear

DUAL REAR WHEEL, RIDE AND HANDLING(DZW)Bed Length N/R In.Wheel Base 141.5 In.

GMC Sierra 3500 HD

6.6L V8 Flex OHV Rear DUAL REAR WHEEL, RIDE AND HANDLING(DZW)Bed Length N/R In.Wheel Base 141.5 In. 2 Per Vehicle

2021

2021

GMC Sierra 3500 HD 6.6L V8 Flex OHV

2

Rear

DUAL REAR WHEEL, RIDE AND HANDLING(DZW)Bed Length N/R In.Wheel Base 162.5 In.

GMC Sierra 3500 HD

6.6L V8 Flex OHV Rear DUAL REAR WHEEL, RIDE AND HANDLING(DZW)Bed Length N/R In.Wheel Base 162.5 In. 2 Per Vehicle

2021

2021

GMC Sierra 3500 HD 6.6L V8 Flex OHV

2

Rear

DUAL REAR WHEEL, RIDE AND HANDLING(DZW)Bed Length N/R In.Wheel Base 172.0 In.

GMC Sierra 3500 HD

SAVE 10% SITEWIDE
Click to Apply

ACDelco 291-366 Axle Shaft Seal
for 2021 GMC Sierra 3500 HD

GMC Sierra 3500 HD

6.6L V8 Flex OHV

Bed Length N/R In.
Wheel Base 146.3 In.

6.6L V8 Flex OHV

Rear Bed Length N/R In.
Wheel Base 146.3 In.

2 Per Vehicle

GMC Sierra 3500 HD

6.6L V8 Flex OHV

Bed Length N/R In.
Wheel Base 170.8 In.

6.6L V8 Flex OHV

Rear Bed Length N/R In.
Wheel Base 170.8 In.

2 Per Vehicle

GMC Sierra 3500 HD

6.6L V8 Flex OHV

Bed Length N/R In.
Wheel Base 176.7 In.

6.6L V8 Flex OHV

Rear Bed Length N/R In.
Wheel Base 176.7 In.

2 Per Vehicle

GMC Sierra 3500 HD

6.6L V8 Flex OHV

DUAL REAR WHEEL, RIDE AND HANDLING(DZW)
Bed Length 98.2 In.
Wheel Base 141.5 In.

6.6L V8 Flex OHV

Rear DUAL REAR WHEEL, RIDE AND HANDLING(DZW)
Bed Length 98.2 In.
Wheel Base 141.5 In.

2 Per Vehicle

GMC Sierra 3500 HD

6.6L V8 Flex OHV

DUAL REAR WHEEL, RIDE AND HANDLING(DZW)
Bed Length 98.2 In.
Wheel Base 162.5 In.

6.6L V8 Flex OHV

Rear DUAL REAR WHEEL, RIDE AND HANDLING(DZW)
Bed Length 98.2 In.
Wheel Base 162.5 In.

2 Per Vehicle

GMC Sierra 3500 HD

6.6L V8 Flex OHV

DUAL REAR WHEEL, RIDE AND HANDLING(DZW)
Bed Length 98.2 In.
Wheel Base 172.0 In.

6.6L V8 Flex OHV

Rear DUAL REAR WHEEL, RIDE AND HANDLING(DZW)
Bed Length 98.2 In.
Wheel Base 172.0 In.

2 Per Vehicle

GMC Sierra 3500 HD

6.6L V8 Flex OHV

DUAL REAR WHEEL, RIDE AND HANDLING(DZW)
Bed Length N/R In.
Wheel Base 141.5 In.

6.6L V8 Flex OHV

Rear DUAL REAR WHEEL, RIDE AND HANDLING(DZW)
Bed Length N/R In.
Wheel Base 141.5 In.

2 Per Vehicle

GMC Sierra 3500 HD

6.6L V8 Flex OHV

DUAL REAR WHEEL, RIDE AND HANDLING(DZW)
Bed Length N/R In.
Wheel Base 162.5 In.

6.6L V8 Flex OHV

Rear DUAL REAR WHEEL, RIDE AND HANDLING(DZW)
Bed Length N/R In.
Wheel Base 162.5 In.

2 Per Vehicle

GMC Sierra 3500 HD

6.6L V8 Flex OHV

DUAL REAR WHEEL, RIDE AND HANDLING(DZW)
Bed Length N/R In.
Wheel Base 172.0 In.

6.6L V8 Flex OHV

Rear DUAL REAR WHEEL, RIDE AND HANDLING(DZW)
Bed Length N/R In.
Wheel Base 172.0 In.

2 Per Vehicle

GMC Sierra 3500 HD

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

Bed Length N/R In.
Wheel Base 146.3 In.