
Axle Shaft Seal2020-2026 Chevy Silverado 3500 HD & GMC Sierra 3500 HD Material: Rubber Outside Diameter: 4.47 in. Inside Diameter: 3.4 in. Thickness: 0.69 in. Width: 4.76 in. Sold Individually
ACDelco 291-366 Axle Shaft Seal is designed as an application-specific service replacement that supports proper fit, function, and system integration. Supports smooth transfer of rotational load through the wheel-end or driveline system. Verify vehicle fitment and system configuration before installation.
ACDelco 291-366 Features:
- Application-specific design supports proper fit, alignment, and load handling
- Service sealing component for compatible vehicle repair
ACDelco 291-366 Fitment:
- 2020-2026 Chevy Silverado 3500 HD & GMC Sierra 3500 HD
ACDelco 291-366 Notes:
- Verify vehicle application, position, and system configuration before installation.
Part TypeAxle Shaft Seal
BrandACDELCO
Package Width4.76
Part CategoryReplacement Parts
Product TypeAxle and General Purpose Seal
Programming RequiredNo
ShapeRound
Sealant IncludedNo
Seal TypeGasket
Signs Of Wear & Troubleshooting - Section 1 - Bullet 1Signs of leakage around the seal
Signs Of Wear & Troubleshooting - Section 1 - HeaderSigns of wear for axle shaft seals include but are not limited to:
Faq - Answer 2Yes. The rotation of a bad shaft can cause premature wear to the seal, leading to leaks of lubricating grease or gear oil.
Faq - Answer 1Yes. When replacing the bearing, the race and seals should be replaced.
Inside Diameter3.4
Features & Benefits - Bullet 2Conforms to the rotating surface to help provide leak-free operation
Features & Benefits - Bullet 3GM-recommended replacement part for your GM vehicle's original factory component
Features & Benefits - Bullet 4Offering the quality, reliability, and durability of GM OE
Features & Benefits - Bullet 5Manufactured to GM OE specification for fit, form, and function
Product DescriptionACDelco 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. ⚠<b> WARNING:</b> Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Features &#38; Benefits - Bullet 1Helps keep dirt and water out of your axle shaft assembly
Universal Or Specific FitSpecific
ColorBlack, Gray
MaterialRubber
Thickness0.69
Signs Of Wear &#38; Troubleshooting - Section 1 - Bullet 2Puddles of fluid under the vehicle
Signs Of Wear &#38; Troubleshooting - Section 1 - Bullet 3Low fluid levels in differentials
Part FitmentDirect Fit
Rim ShapeRound
Outside Diameter4.47
Grade TypeOE
Faq - Question 2Can a rusted or pitted axle shaft damage a seal?
Faq - Question 1Should the race and seals be replaced with the bearing?
Vendor Part Number291-366
Package Qty1
Package TypeEA
No Questions
No Reviews
Some parts are not legal for use in California or other states with similar laws / regulations