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Dorman 946-640 Drive Shaft - Rear
Durable Drive Shaft for Ford F-350 Super Duty
The Dorman 946-640 drive shaft is engineered to provide reliable driveline performance for your Ford F-350 Super Duty. Constructed from steel with adjustable length and greaseable features, this drive shaft is designed to meet the demands of regular grade applications.
- Made from durable steel shaft material
- Includes slip yoke for smooth driveline connection
- Greaseable design for extended service life
- Adjustable overall length for precise fitment
- Drive shaft length of 55.78 inches with 3.5-inch diameter
- Wall thickness of 0.083 inches for strength and durability
- Compatible with Ford F-350 Super Duty models
Product Details and Specifications
The Dorman 946-640 drive shaft is a regular grade component designed specifically for the Ford F-350 Super Duty. Its steel construction ensures strength and resistance to wear under typical driving conditions. The 3.5-inch diameter shaft with a wall thickness of 0.083 inches balances durability and weight. This drive shaft features a slip yoke, allowing for smooth movement and flexibility in the driveline system. Additionally, the greaseable design helps maintain optimal performance by allowing routine lubrication. The overall length is adjustable, providing a precise fit during installation and accommodating any minor variations in vehicle setup.
Applications and Problem Solving
- Replacement for worn or damaged drive shafts on Ford F-350 Super Duty
- Addresses driveline vibrations caused by bent or imbalanced shafts
- Solves issues related to worn slip yokes affecting driveline movement
- Helps restore proper driveline length and alignment
- Improves driveline durability with greaseable components
Installation Notes and Tips
Ensure the drive shaft length is properly adjusted before final installation to avoid driveline binding or vibrations. Regularly grease the slip yoke and other greaseable points to maintain smooth operation. Verify compatibility with your specific Ford F-350 Super Duty model year and configuration. Professional installation is recommended to ensure proper alignment and torque specifications are met.
Quality Assurance
Dorman manufactures this drive shaft to meet industry standards for durability and performance. While no specific warranty information is provided, Dorman parts typically undergo quality checks to ensure fit and function for Ford F-350 Super Duty vehicles. Refer to Dorman’s official documentation for detailed warranty terms.
| Brand | Dorman |
| Part Number | 946-640 |
| 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) | 55.78 in |
| Drive Shaft Wall Thickness (In) | 0.083 in |
| Greaseable Drive Shaft | Yes |
| Overall Length Adjustable | Yes |
| Package Contents | 1 driveshaft |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Body Type | Drive Type | Transmission | Liters | Cylinders | Fuel Type | Wheel Base | Position | Notes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2016 | Ford | F-350 Super Duty | Cab & Chassis | 4WD | Automatic | 6.2L | V8 | 141.0" | Rear | ||
| 2016 | Ford | F-350 Super Duty | Cab & Chassis | 4WD | Automatic | 6.7L | V8 | DIESEL | 141.0" | Rear | Fits vehicles with Single Rear Wheel (SRW) |
| 2015 | Ford | F-350 Super Duty | Cab & Chassis | 4WD | Automatic | 6.2L | V8 | 141.0" | Rear | ||
| 2015 | Ford | F-350 Super Duty | Cab & Chassis | 4WD | Automatic | 6.7L | V8 | DIESEL | 141.0" | Rear | Fits vehicles with Single Rear Wheel (SRW) |
| 2014 | Ford | F-350 Super Duty | Cab & Chassis | 4WD | Automatic | 6.2L | V8 | 141.0" | Rear | ||
| 2014 | Ford | F-350 Super Duty | Cab & Chassis | 4WD | Automatic | 6.7L | V8 | DIESEL | 141.0" | Rear | Fits vehicles with Single Rear Wheel (SRW) |
| 2013 | Ford | F-350 Super Duty | Cab & Chassis | 4WD | Automatic | 6.2L | V8 | 141.0" | Rear | ||
| 2013 | Ford | F-350 Super Duty | Cab & Chassis | 4WD | Automatic | 6.7L | V8 | DIESEL | 141.0" | Rear | Fits vehicles with Single Rear Wheel (SRW) |
| 2012 | Ford | F-350 Super Duty | Cab & Chassis | 4WD | Automatic | 6.2L | V8 | 141.0" | Rear | ||
| 2012 | Ford | F-350 Super Duty | Cab & Chassis | 4WD | Automatic | 6.7L | V8 | DIESEL | 141.0" | Rear | Fits vehicles with Single Rear Wheel (SRW) |
| 2011 | Ford | F-350 Super Duty | Cab & Chassis | 4WD | Automatic | 6.2L | V8 | 141.0" | Rear | ||
| 2011 | Ford | F-350 Super Duty | Cab & Chassis | 4WD | Automatic | 6.7L | V8 | DIESEL | 141.0" | Rear | Fits vehicles with Single Rear Wheel (SRW) |
* 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.