This is a Genuine OEM GM rear axle shaft seal for 2020-2025 Chevrolet Silverado 3500 HD and GMC Sierra 3500 HD models. It fits trucks equipped with dual rear wheels and fits either Driver or Passenger Side.
Fitment Alert – Confirm These Details Before You Order
Check each line below against your vehicle before ordering.
| Chevrolet Silverado 3500 HD |
2020-2025, Dual Rear Wheels, 6.6L V8 Gas or 6.6L V8 Diesel Duramax |
| GMC Sierra 3500 HD |
2020-2025, Dual Rear Wheels, 6.6L V8 Gas or 6.6L V8 Diesel Duramax |
| Side |
Fits either Driver or Passenger Side |
| Position |
Rear axle |
| Rear Wheels |
Dual Rear Wheels required |
| Engines |
6.6L V8 Gas and 6.6L V8 Diesel Duramax |
| Trim Levels |
WT, Pro, SLE, SLT, LT, LTZ, AT4, High Country, Denali, Denali Ultimate |
| Included |
Rear axle shaft seal, a component of the complete axle assembly |
| Year Range |
Make |
Model |
Trim/Engine |
Notes/Options |
| 2025 |
Chevrolet |
Silverado 3500 HD |
High Country Crew Cab Pickup, 6.6L V8 Gas |
Dual Rear Wheels |
| 2025 |
Chevrolet |
Silverado 3500 HD |
High Country Crew Cab Pickup, 6.6L V8 Diesel Duramax Turbocharged |
Dual Rear Wheels |
| 2025 |
Chevrolet |
Silverado 3500 HD |
LT Cab & Chassis, 6.6L V8 Gas |
Dual Rear Wheels |
| 2025 |
Chevrolet |
Silverado 3500 HD |
LT Cab & Chassis, 6.6L V8 Diesel Duramax Turbocharged |
Dual Rear Wheels |
| 2025 |
Chevrolet |
Silverado 3500 HD |
LTZ Crew Cab Pickup, 6.6L V8 Gas |
Dual Rear Wheels |
| 2025 |
Chevrolet |
Silverado 3500 HD |
LTZ Crew Cab Pickup, 6.6L V8 Diesel Duramax Turbocharged |
Dual Rear Wheels |
| 2025 |
Chevrolet |
Silverado 3500 HD |
WT Cab & Chassis, 6.6L V8 Flex Fuel |
Dual Rear Wheels |
| 2025 |
Chevrolet |
Silverado 3500 HD |
WT Crew Cab Pickup, 6.6L V8 Gas |
Dual Rear Wheels |
| 2025 |
Chevrolet |
Silverado 3500 HD |
WT Crew Cab Pickup, 6.6L V8 Diesel Duramax Turbocharged |
Dual Rear Wheels |
| 2025 |
GMC |
Sierra 3500 HD |
AT4 Crew Cab Pickup, 6.6L V8 Gas |
Dual Rear Wheels |
| 2025 |
GMC |
Sierra 3500 HD |
AT4 Crew Cab Pickup, 6.6L V8 Diesel Duramax Turbocharged |
Dual Rear Wheels |
| 2025 |
GMC |
Sierra 3500 HD |
Denali Crew Cab Pickup, 6.6L V8 Gas |
Dual Rear Wheels |
| 2025 |
GMC |
Sierra 3500 HD |
Denali Crew Cab Pickup, 6.6L V8 Diesel Duramax Turbocharged |
Dual Rear Wheels |
| 2025 |
GMC |
Sierra 3500 HD |
Denali Ultimate Crew Cab Pickup, 6.6L V8 Diesel Duramax Turbocharged |
Dual Rear Wheels |
| 2025 |
GMC |
Sierra 3500 HD |
Pro Crew Cab Pickup, 6.6L V8 Gas |
Dual Rear Wheels |
| 2025 |
GMC |
Sierra 3500 HD |
Pro Crew Cab Pickup, 6.6L V8 Diesel Duramax Turbocharged |
Dual Rear Wheels |
| 2025 |
GMC |
Sierra 3500 HD |
Pro Standard Cab Pickup, 6.6L V8 Flex Fuel |
Dual Rear Wheels |
| 2025 |
GMC |
Sierra 3500 HD |
SLE Cab & Chassis, 6.6L V8 Diesel Duramax Turbocharged |
Dual Rear Wheels |
| 2025 |
GMC |
Sierra 3500 HD |
SLE Cab & Chassis, 6.6L V8 Gas |
Dual Rear Wheels |
| 2025 |
GMC |
Sierra 3500 HD |
SLT Crew Cab Pickup, 6.6L V8 Gas |
Dual Rear Wheels |
| 2020-2024 |
Chevrolet |
Silverado 3500 HD |
6.6L V8 Gas, 6.6L V8 Diesel Duramax |
Dual Rear Wheels |
| 2020-2024 |
GMC |
Sierra 3500 HD |
6.6L V8 Gas, 6.6L V8 Diesel Duramax |
Dual Rear Wheels |