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OE Quality
60-Day Returns
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DormanPart #: 946-391
Dorman 946-391 Drive Shaft - Rear
⚙️ 6 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$566.99Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship
Most orders ship same-day if ordered before 1pm CST.
✅OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford, F-350 Super Duty
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? Click here for all Drive Shaft options
Dorman 946-391 Drive Shaft - Rear
| Brand | Dorman |
| Part Number | 946-391 |
| 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) | 79.55 in |
| Drive Shaft Wall Thickness (In) | 0.083 in |
| Greaseable Drive Shaft | Yes |
| Overall Length Adjustable | Yes |
| Package Contents | 1 driveshaft |
This part fits 6 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 | 6.7L | V8 | DIESEL | 164.8" | Rear | |
| 2015 | Ford | F-350 Super Duty | Cab & Chassis | 4WD | Automatic | 6.7L | V8 | DIESEL | 164.8" | Rear | |
| 2014 | Ford | F-350 Super Duty | Cab & Chassis | 4WD | Automatic | 6.7L | V8 | DIESEL | 164.8" | Rear | |
| 2013 | Ford | F-350 Super Duty | Cab & Chassis | 4WD | Automatic | 6.7L | V8 | DIESEL | 164.8" | Rear | |
| 2012 | Ford | F-350 Super Duty | Cab & Chassis | 4WD | Automatic | 6.7L | V8 | DIESEL | 164.8" | Rear | |
| 2011 | Ford | F-350 Super Duty | Cab & Chassis | 4WD | Automatic | 6.7L | V8 | DIESEL | 164.8" | 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:
BC3Z4R602NN
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.