
Dorman 946-365 Drive Shaft - Rear
Reliable Drive Shaft for Chevrolet and GMC Heavy Duty Trucks
The Dorman 946-365 drive shaft is engineered to provide dependable driveline performance for Chevrolet Sierra 3500 HD and GMC Silverado 3500 HD models. Constructed from durable steel, this drive shaft is designed to meet the demands of heavy-duty applications while offering adjustability and maintenance features.
- Constructed from high-strength steel for durability
- Includes a slip yoke for smooth driveline operation
- Greaseable design allows for easier maintenance
- Overall length adjustable to ensure proper fitment
- 112.374 inches in length with a 3.5-inch diameter shaft
- Wall thickness of 0.083 inches for structural integrity
- Compatible with Chevrolet Sierra 3500 HD and GMC Silverado 3500 HD
- Does not include CV joints or axle nut
Durable Steel Construction and Adjustable Length
The Dorman 946-365 drive shaft features a robust steel shaft with a 3.5-inch diameter and 0.083-inch wall thickness, providing the strength needed for heavy-duty truck applications. Its greaseable design helps extend service life by allowing regular lubrication. The inclusion of a slip yoke and overall length adjustability ensures a precise fit and smooth driveline operation, accommodating variations in vehicle setup or suspension travel.
Compatible Applications and Use Cases
This drive shaft is specifically designed for use with Chevrolet Sierra 3500 HD and GMC Silverado 3500 HD trucks, making it a suitable replacement part for driveline repairs or upgrades. It is ideal for addressing issues such as:
- Excessive vibration or noise from a worn or damaged drive shaft
- Drive shaft length mismatch causing driveline binding
- Failure of non-greaseable shafts leading to premature wear
- Slip yoke wear affecting driveline smoothness
- General driveline component replacement during maintenance
Installation Notes and Tips
When installing the Dorman 946-365 drive shaft, ensure the slip yoke is properly seated and the shaft length is adjusted to match the vehicle’s specifications. Regular greasing of the drive shaft is recommended to maintain optimal performance and prevent premature wear. Verify compatibility with your Chevrolet Sierra 3500 HD or GMC Silverado 3500 HD before installation.
Quality Assurance and Warranty
Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance for heavy-duty truck applications. While specific warranty details for part number 946-365 are not provided here, Dorman typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.
| Brand | Dorman |
| Part Number | 946-365 |
| Shaft Material | Steel |
| CV Joints Included | No |
| Grade Type | Regular |
| Shaft Diameter | 3.5 |
| Slip Yoke | Yes |
| Axle Nut Included | No |
| Drive Shaft Length (In) | 112.374 in |
| Drive Shaft Wall Thickness (In) | 0.083 in |
| Greaseable Drive Shaft | Yes |
| Overall Length Adjustable | Yes |
| Package Contents | 1 driveshaft |
This part fits 8 vehicles. Search below:
| Year | Make | Model | Body Type | Bed Length | Drive Type | Transmission | Wheel Base | Position | Notes |
|---|---|---|---|---|---|---|---|---|---|
| 2010 | Chevrolet | Silverado 3500 HD | Crew Cab Pickup | 8' 1" Foot Bed | RWD | Automatic | 167.7" | Rear | |
| 2010 | GMC | Sierra 3500 HD | Crew Cab Pickup | 8' 1" Foot Bed | RWD | Automatic | 167.0" | Rear | |
| 2009 | Chevrolet | Silverado 3500 HD | Crew Cab Pickup | 8' 1" Foot Bed | RWD | Automatic | 167.0" | Rear | |
| 2009 | GMC | Sierra 3500 HD | Crew Cab Pickup | 8' 1" Foot Bed | RWD | Automatic | 167.0" | Rear | |
| 2008 | Chevrolet | Silverado 3500 HD | Crew Cab Pickup | 8' 1" Foot Bed | RWD | Automatic | 167.0" | Rear | |
| 2008 | GMC | Sierra 3500 HD | Crew Cab Pickup | 8' 1" Foot Bed | RWD | Automatic | 167.0" | Rear | |
| 2007 | Chevrolet | Silverado 3500 HD | Crew Cab Pickup | 8' 1" Foot Bed | RWD | Automatic | 167.0" | Rear | |
| 2007 | GMC | Sierra 3500 HD | Crew Cab Pickup | 8' 1" Foot Bed | RWD | Automatic | 167.0" | Rear |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.