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OE Quality
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DormanPart #: 946-421
Dorman 946-421 Drive Shaft - Rear
4 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$905.01Free Shipping
Free ShippingNo Cost to Continental U.S.
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*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? See all Drive Shaft options
Dorman 946-421 Drive Shaft - Rear
| Brand | Dorman |
|---|---|
| Part Number | 946-421 |
| 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) | 74.55 in |
| Drive Shaft Wall Thickness (In) | 0.083 in |
| Greaseable Drive Shaft | Yes |
| Overall Length Adjustable | Yes |
| Package Contents | 1 driveshaft |
This part fits 4 vehicles. Search below:
| Year | Make | Model | Body Type | # Doors | Drive Type | Transmission | Liters | Cylinders | Wheel Base | Position | Notes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2002 | Ford | F-350 Super Duty | Cab & Chassis | 2 Door | RWD | Manual | 7.3L | V8 | 141.0" | Rear | Fits vehicles with Single Rear Wheel (SRW) |
| 2001 | Ford | F-350 Super Duty | Cab & Chassis | 2 Door | RWD | Manual | 7.3L | V8 | 141.0" | Rear | Fits vehicles with Single Rear Wheel (SRW) |
| 2000 | Ford | F-350 Super Duty | Cab & Chassis | 2 Door | RWD | Manual | 7.3L | V8 | 141.0" | Rear | Fits vehicles with Single Rear Wheel (SRW) |
| 1999 | Ford | F-350 Super Duty | Cab & Chassis | 2 Door | RWD | Manual | 7.3L | V8 | 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:
F81Z4R602AD
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.