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Dorman 946-311 Drive Shaft - Rear
Durable Drive Shaft for Ford Excursion and F-350 Super Duty
The Dorman 946-311 drive shaft is engineered to provide reliable driveline performance for Ford Excursion and F-350 Super Duty models. Constructed from steel with adjustable length and greaseable features, this drive shaft supports consistent power transfer and ease of maintenance.
- Made from durable steel shaft material for strength and longevity
- Includes a slip yoke for smooth driveline operation
- Greaseable design allows for regular maintenance and extended service life
- Adjustable overall length to ensure proper fit and alignment
- 55.125 inches in length with a 3.5-inch shaft diameter and 0.083-inch wall thickness
- Regular grade type suitable for standard driveline applications
- Compatible with Ford Excursion and F-350 Super Duty vehicles
Technical Details and Features
The Dorman 946-311 drive shaft is designed with a 3.5-inch diameter steel shaft, providing the necessary rigidity and durability for heavy-duty use. Its 55.125-inch length and 0.083-inch wall thickness balance strength with weight considerations. The inclusion of a slip yoke facilitates smooth movement and reduces driveline vibrations. This drive shaft is greaseable, allowing for routine lubrication to maintain optimal performance and reduce wear. The overall length is adjustable, enabling precise fitment to the vehicle’s specifications. Note that this drive shaft does not include CV joints or an axle nut.
Compatible Vehicles and Applications
This drive shaft is compatible with the following Ford models:
- Ford Excursion
- Ford F-350 Super Duty
It is designed to replace worn or damaged drive shafts in these vehicles, ensuring proper power transfer from the transmission to the axle.
Common Issues Addressed by This Drive Shaft
- Eliminates vibrations caused by worn or bent drive shafts
- Restores driveline stability and smooth power delivery
- Replaces shafts with damaged or seized slip yokes
- Solves issues related to improper shaft length or fitment
- Improves maintenance with greaseable components to prevent premature wear
Installation Notes and Tips
When installing the Dorman 946-311 drive shaft, ensure the adjustable length is set to match the vehicle’s specifications for proper alignment. Regularly lubricate the greaseable sections to maintain smooth operation. Verify the slip yoke is properly seated to avoid driveline vibrations. This drive shaft does not include CV joints or axle nuts, so use existing hardware or source separately as needed.
Quality Assurance and Warranty
Dorman parts are manufactured to meet or exceed OEM standards for fit and function. The 946-311 drive shaft undergoes quality inspections to ensure durability and performance. Warranty information is available through Dorman and should be consulted for specific coverage details.
| Brand | Dorman |
| Part Number | 946-311 |
| 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) | 55.125 in |
| Drive Shaft Wall Thickness (In) | 0.083 in |
| Greaseable Drive Shaft | Yes |
| Overall Length Adjustable | Yes |
| Package Contents | 1 driveshaft |
This part fits 10 vehicles. Search below:
| Year | Make | Model | Body Type | Bed Length | Drive Type | Transmission | Liters | Cylinders | Wheel Base | Position | Notes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2007 | Ford | F-350 Super Duty | Standard Cab Pickup | 8' 2" Foot Bed | 4WD | 6.8L | V10 | 137.0" | Rear | Fits vehicles with Single Rear Wheel (SRW) | |
| 2007 | Ford | F-350 Super Duty | Standard Cab Pickup | 8' 2" Foot Bed | 4WD | 5.4L | V8 | 137.0" | Rear | Fits vehicles with Single Rear Wheel (SRW) | |
| 2006 | Ford | F-350 Super Duty | Standard Cab Pickup | 8' 2" Foot Bed | 4WD | 6.8L | V10 | 137.0" | Rear | Fits vehicles with Single Rear Wheel (SRW) | |
| 2006 | Ford | F-350 Super Duty | Standard Cab Pickup | 8' 2" Foot Bed | 4WD | 5.4L | V8 | 137.0" | Rear | Fits vehicles with Single Rear Wheel (SRW) | |
| 2005 | Ford | F-350 Super Duty | Standard Cab Pickup | 8' 0" Foot Bed | 4WD | 6.8L | V10 | 137.0" | Rear | Fits vehicles with Single Rear Wheel (SRW) | |
| 2005 | Ford | F-350 Super Duty | Standard Cab Pickup | 8' 0" Foot Bed | 4WD | 5.4L | V8 | 137.0" | Rear | Fits vehicles with Single Rear Wheel (SRW) | |
| 2004 | Ford | F-350 Super Duty | Standard Cab Pickup | 8' 0" Foot Bed | 4WD | Automatic | 6.8L | V10 | 137.0" | Rear | w/Single Rear Wheel (SRW); From 1/06/02 |
| 2003 | Ford | F-350 Super Duty | Standard Cab Pickup | 8' 0" Foot Bed | 4WD | Automatic | 6.8L | V10 | 137.0" | Rear | w/Single Rear Wheel (SRW); From 1/06/02 |
| 2002 | Ford | Excursion | 4WD | 6.8L | V10 | Rear | From 1/06/02 | ||||
| 2002 | Ford | F-350 Super Duty | Standard Cab Pickup | 8' 0" Foot Bed | 4WD | Automatic | 6.8L | V10 | 137.0" | Rear | w/Single Rear Wheel (SRW); From 1/06/02 |
* 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.