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Dorman 986-523 Drive Shaft - Rear
Dorman 986-523 Rear Drive Shaft
Dorman 986-523 is a complete rear drive shaft assembly for select Ford Expedition and Lincoln Navigator applications. It is pre-balanced and built with new yokes, tubes, universal joints, and a slip yoke for a direct replacement approach on the rear driveline.
Key Features
- Complete drive shaft assembly for rear driveline service
- Pre-balanced for installation readiness
- 100% new yokes, tubes, and universal joints
- Steel shaft construction with 3 in. shaft diameter
- Compressed length: 76 in.; drive shaft length: 77.5 in.
- Bolt-on end 1 and bolt-on end 2 design
- Standard replacement grade
- Slip yoke included
- CV joints not included
- Axle nut not included
Detailed Description
This Dorman drive shaft, part number 986-523, is built for rear applications on 2018-2021 Ford Expedition and 2018-2021 Lincoln Navigator models. It uses steel construction with a 0.083 in. wall thickness and is supplied as a complete assembly to simplify driveline replacement. The bolt-on ends and included universal joints support a straightforward swap for vehicles that match the listed fitment and dimensions. This part cross-references Ford OE numbers JL1Z4R602B and JL1Z4R602E for the same application.
What It Helps Address
- Driveline vibration from a worn or out-of-balance shaft
- Clunking or driveline noise from worn universal joints
- Damage to the original shaft tubes or yokes
- Service needs after rear driveline wear on Expedition or Navigator
- Replacement of a shaft with incorrect length or end configuration
Installation Notes and Tips
Verify rear fitment, compressed length, and overall length before installation. Confirm bolt-on end configuration, slip yoke style, and driveline dimensions against the original part on the vehicle. Inspect mating components for wear or damage before installing the new assembly. Fits 2018-2021 Ford Expedition, rear. Fits 2018-2021 Lincoln Navigator, rear.
Quality Assurance
Dorman supplies this assembly as a standard replacement driveline component with pre-balanced construction and new core wear items included in the shaft assembly.
| Brand | Dorman |
|---|---|
| Part Number | 986-523 |
| Compressed Length | 76 |
| 10920 | Oui |
| 10920 | Sí |
| 10920 | Yes |
| End 1 Type | Bolt on |
| End 1 Type | Con perno |
| End 2 Type | Bolt on |
| End 2 Type | Con perno |
| Shaft Material | Acero |
| Shaft Material | Steel |
| Universal Joints Included | Oui |
| Universal Joints Included | Sí |
| Universal Joints Included | Yes |
| CV Joints Included | No |
| CV Joints Included | Non |
| Axle Nut Included | No |
| Axle Nut Included | Non |
| Grade Type | Reemplazo estándar |
| Grade Type | Standard replacement |
| Shaft Diameter | 3 |
| Slip Yoke | Oui |
| Slip Yoke | Sí |
| Slip Yoke | Yes |
| Drive Shaft Length (In) | 77.5 in |
| Drive Shaft Length (In) | 77.5 in. |
| Drive Shaft Wall Thickness (In) | 0.083 in |
| Drive Shaft Wall Thickness (In) | 0.083 in. |
| Espesor de la pared del eje motriz (in) | 0.083 in. |
| Longitud del eje motriz (in) | 77.5 in. |
| Longitud total ajustable | Sí |
This part fits 8 vehicles. Search below:
| Year | Make | Model | Drive Type | Wheel Base | Position | Notes |
|---|---|---|---|---|---|---|
| 2021 | Ford | Expedition | RWD | 131.6" | Rear | |
| 2021 | Lincoln | Navigator | RWD | 131.6" | Rear | |
| 2020 | Ford | Expedition | RWD | 131.6" | Rear | |
| 2020 | Lincoln | Navigator | RWD | 131.6" | Rear | |
| 2019 | Ford | Expedition | RWD | 131.6" | Rear | |
| 2019 | Lincoln | Navigator | RWD | 131.6" | Rear | |
| 2018 | Ford | Expedition | RWD | 131.6" | Rear | |
| 2018 | Lincoln | Navigator | RWD | 131.6" | 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.