OE Quality
60-Day Returns

Dorman 946-320 Drive Shaft - Rear
Reliable Drive Shaft Replacement for Ford B3000 and Mazda Ranger
The Dorman 946-320 drive shaft is engineered to provide dependable driveline performance for Ford B3000 and Mazda Ranger models. Constructed from durable steel, this drive shaft is designed to meet regular grade requirements and ensure consistent power transfer from the transmission to the axle.
Key Features of the Dorman 946-320 Drive Shaft
- Made from high-strength steel for durability and longevity
- Includes a slip yoke for secure connection and smooth operation
- Drive shaft length of 59.625 inches with a 3.5-inch diameter
- Wall thickness of 0.083 inches for structural integrity
- Does not include CV joints or axle nut
- Non-greaseable design for maintenance-free use
- Package contains one complete drive shaft
Detailed Description
The Dorman 946-320 drive shaft is specifically designed for use in Ford B3000 and Mazda Ranger vehicles, providing a precise fit and reliable performance. Its steel shaft material offers strength and resistance to wear, while the included slip yoke facilitates proper alignment and connection within the driveline system. With a 3.5-inch diameter and a length of nearly 60 inches, this drive shaft maintains the necessary specifications to ensure smooth torque transfer. The wall thickness of 0.083 inches adds to the shaft's durability without adding unnecessary weight. This drive shaft is a regular grade type, suitable for standard driving conditions and applications.
Common Applications and Issues Addressed
- Replacement for worn or damaged drive shafts in Ford B3000 and Mazda Ranger
- Resolves vibrations caused by bent or imbalanced shafts
- Addresses driveline noise due to shaft wear or damage
- Restores proper power transfer from transmission to axle
- Fixes issues related to slip yoke failure or wear
Installation Notes and Tips
When installing the Dorman 946-320 drive shaft, ensure the slip yoke is properly seated and secured to prevent driveline vibrations. Since this drive shaft does not include CV joints or axle nuts, reuse existing hardware or source compatible parts as needed. Verify the shaft length and diameter match your vehicle’s specifications before installation. Professional installation is recommended to maintain driveline balance and alignment.
Quality Assurance and Warranty
Dorman manufactures the 946-320 drive shaft to meet industry standards for fit and function. While specific warranty details are not provided, Dorman products typically undergo rigorous quality control to ensure reliability and durability in automotive applications.
| Brand | Dorman |
| Part Number | 946-320 |
| 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) | 59.625 in |
| Drive Shaft Wall Thickness (In) | 0.083 in |
| Greaseable Drive Shaft | No |
| Overall Length Adjustable | No |
| Package Contents | 1 driveshaft |
This part fits 25 vehicles. Search below:
| Year | Make | Model | Body Type | Bed Length | Drive Type | Transmission | Liters | Cylinders | Wheel Base | Position | Notes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2011 | Ford | Ranger | Standard Cab Pickup | 6' 0" Foot Bed | RWD | Automatic | 4.0L | V6 | 111.6" | Rear | Torsion Bar Suspension |
| 2010 | Ford | Ranger | Standard Cab Pickup | 6' 0" Foot Bed | RWD | Automatic | 4.0L | V6 | 111.5" | Rear | Torsion Bar Suspension |
| 2009 | Ford | Ranger | Standard Cab Pickup | 6' 0" Foot Bed | RWD | Automatic | 4.0L | V6 | 111.5" | Rear | Torsion Bar Suspension |
| 2008 | Ford | Ranger | Standard Cab Pickup | 6' 0" Foot Bed | RWD | Automatic | 3.0L | V6 | 111.5" | Rear | Torsion Bar Suspension |
| 2008 | Ford | Ranger | Standard Cab Pickup | 6' 0" Foot Bed | RWD | Automatic | 4.0L | V6 | 111.6" | Rear | Torsion Bar Suspension |
| 2007 | Ford | Ranger | Standard Cab Pickup | 6' 0" Foot Bed | RWD | Automatic | 3.0L | V6 | 111.5" | Rear | Torsion Bar Suspension |
| 2007 | Ford | Ranger | Standard Cab Pickup | 6' 0" Foot Bed | RWD | Automatic | 4.0L | V6 | 111.6" | Rear | Torsion Bar Suspension |
| 2007 | Mazda | B3000 | Standard Cab Pickup | 5' 11" Foot Bed | RWD | Automatic | 3.0L | V6 | 111.6" | Rear | Torsion Bar Suspension |
| 2006 | Ford | Ranger | Standard Cab Pickup | 6' 0" Foot Bed | RWD | Automatic | 3.0L | V6 | 111.5" | Rear | Torsion Bar Suspension |
| 2006 | Ford | Ranger | Standard Cab Pickup | 6' 0" Foot Bed | RWD | Automatic | 4.0L | V6 | 111.6" | Rear | Torsion Bar Suspension |
| 2006 | Mazda | B3000 | Standard Cab Pickup | 5' 11" Foot Bed | RWD | Automatic | 3.0L | V6 | 111.6" | Rear | Torsion Bar Suspension |
| 2005 | Ford | Ranger | Standard Cab Pickup | 6' 0" Foot Bed | RWD | Automatic | 3.0L | V6 | 111.5" | Rear | Torsion Bar Suspension |
| 2005 | Ford | Ranger | Standard Cab Pickup | 6' 0" Foot Bed | RWD | Automatic | 4.0L | V6 | 111.5" | Rear | Torsion Bar Suspension |
| 2005 | Mazda | B3000 | Standard Cab Pickup | 5' 11" Foot Bed | RWD | Automatic | 3.0L | V6 | 111.6" | Rear | Torsion Bar Suspension |
| 2004 | Ford | Ranger | Standard Cab Pickup | 6' 0" Foot Bed | RWD | Automatic | 3.0L | V6 | 111.6" | Rear | Torsion Bar Suspension |
| 2004 | Ford | Ranger | Standard Cab Pickup | 6' 0" Foot Bed | RWD | Automatic | 4.0L | V6 | 111.6" | Rear | Torsion Bar Suspension |
| 2004 | Mazda | B3000 | Standard Cab Pickup | 5' 11" Foot Bed | RWD | Automatic | 3.0L | V6 | 111.6" | Rear | Torsion Bar Suspension |
| 2003 | Ford | Ranger | Standard Cab Pickup | 6' 0" Foot Bed | RWD | Automatic | 3.0L | V6 | 112.0" | Rear | Torsion Bar Suspension |
| 2003 | Mazda | B3000 | Standard Cab Pickup | 5' 11" Foot Bed | RWD | Automatic | 3.0L | V6 | 111.6" | Rear | Torsion Bar Suspension |
| 2002 | Ford | Ranger | Standard Cab Pickup | 6' 0" Foot Bed | RWD | Automatic | 3.0L | V6 | 112.0" | Rear | Torsion Bar Suspension |
| 2002 | Mazda | B3000 | Standard Cab Pickup | 5' 11" Foot Bed | RWD | Automatic | 3.0L | V6 | 111.6" | Rear | Torsion Bar Suspension |
| 2001 | Ford | Ranger | Standard Cab Pickup | 6' 0" Foot Bed | RWD | Automatic | 3.0L | V6 | 112.0" | Rear | Torsion Bar Suspension |
| 2001 | Mazda | B3000 | Standard Cab Pickup | 5' 11" Foot Bed | RWD | Automatic | 3.0L | V6 | 111.6" | Rear | Torsion Bar Suspension |
| 2000 | Ford | Ranger | Standard Cab Pickup | 6' 0" Foot Bed | RWD | Automatic | 3.0L | V6 | 112.0" | Rear | Torsion Bar Suspension |
| 1999 | Ford | Ranger | Standard Cab Pickup | 6' 0" Foot Bed | RWD | Automatic | 3.0L | V6 | 112.0" | Rear | Torsion Bar Suspension |
* 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.