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Dorman 986-373 Drive Shaft - Rear
Rear Driveshaft for Ford F-350
Dorman 986-373 is a complete rear drive shaft assembly for 1989-1992 Ford F-350 applications. It arrives pre-balanced and built with new yokes, steel tubing, and serviceable joints to simplify replacement on the rear driveline.
Key Features
- Fits 1989-1992 Ford F-350, rear
- Complete drive shaft assembly for driveline replacement
- Pre-balanced for installation readiness
- 100% new yokes and steel tubes
- Universal joints included; CV joints not included
- Slip yoke included with adjustable overall length
- Greaseable design for service access
- Part number 986-373
Product Details
This Dorman drive shaft is built for rear axle service on Ford F-350 trucks from 1989 through 1992. The assembly uses a 3-inch steel shaft with a 0.083-inch wall thickness, a compressed length of 99.25 inches, and an overall drive shaft length of 100.75 inches. It uses U-joint ends on both sides and includes a slip yoke, making it a direct replacement option for rear driveline repair. If you are sourcing a Ford F-350 rear driveshaft replacement, 986-373 provides the core components needed for a straightforward swap.
This part cross-references Ford E9TZ4R602B for the same application.
Common Problems This Part Can Address
- Vibration from a worn or out-of-balance rear driveshaft
- Noise caused by worn universal joints or yokes
- Driveline play from damaged shaft tubing
- Service issues related to a non-greaseable or worn shaft assembly
- Replacement needs after driveline damage or corrosion
Installation Notes and Tips
Verify rear application, compressed length, and overall length before installation. Confirm U-joint style, slip yoke fitment, and driveline alignment against the original shaft. Because this assembly is pre-balanced, avoid altering the shaft before installation. Inspect related driveline components, including mounts and axle-side interfaces, during replacement.
Quality Assurance
Dorman builds this replacement drive shaft as a complete assembly with new yokes, tubes, and joints to support a direct-fit repair for the specified Ford F-350 rear applications. Part number 986-373 is engineered for service replacement use and follows the listed OE cross-reference application.
| Brand | Dorman |
|---|---|
| Part Number | 986-373 |
| Compressed Length | 99.25 |
| End 1 Type | U-joint |
| End 2 Type | U-joint |
| Shaft Material | Steel |
| Universal Joints Included | Yes |
| CV Joints Included | No |
| Grade Type | Regular |
| Shaft Diameter | 3 |
| Slip Yoke | Yes |
| Axle Nut Included | No |
| Drive Shaft Length (In) | 100.75 in |
| Drive Shaft Wall Thickness (In) | 0.083 in |
| Greaseable Drive Shaft | Yes |
| Overall Length Adjustable | Yes |
| Package Contents | 1 driveshaft |
This part fits 8 vehicles. Search below:
| Year | Make | Model | Body Type | Drive Type | Transmission | Liters | Cylinders | Wheel Base | Position | Notes |
|---|---|---|---|---|---|---|---|---|---|---|
| 1992 | Ford | F-350 | Cab & Chassis | RWD | Manual | 5.8L | V8 | 160.8" | Rear | |
| 1992 | Ford | F-350 | Cab & Chassis | RWD | Manual | 4.9L | L6 | 160.8" | Rear | |
| 1991 | Ford | F-350 | Cab & Chassis | RWD | Manual | 5.8L | V8 | 160.8" | Rear | |
| 1991 | Ford | F-350 | Cab & Chassis | RWD | Manual | 4.9L | L6 | 160.8" | Rear | |
| 1990 | Ford | F-350 | Cab & Chassis | RWD | Manual | 5.8L | V8 | 160.8" | Rear | |
| 1990 | Ford | F-350 | Cab & Chassis | RWD | Manual | 4.9L | L6 | 160.8" | Rear | |
| 1989 | Ford | F-350 | Cab & Chassis | RWD | Manual | 5.8L | V8 | 160.8" | Rear | |
| 1989 | Ford | F-350 | Cab & Chassis | RWD | Manual | 4.9L | L6 | 160.8" | 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.