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Dorman 986-508 Drive Shaft - Rear
Drive Shaft Assembly for Rear Applications
Dorman 986-508 is a complete rear drive shaft assembly for select Ford Expedition and Lincoln Navigator models. It is pre-balanced for installation and built with new yokes, tubes, universal joints, and a slip yoke to simplify driveline service.
Compatible with 2015-2017 Ford Expedition, rear, and 2015-2017 Lincoln Navigator, rear. This Dorman 986-508 replacement is a standard replacement option for restoring driveline function on these vehicles.
Key Features
- Complete drive shaft assembly for rear driveline service
- Pre-balanced for direct installation
- 100% new yokes, tubes, and universal joints
- Steel shaft construction with 3 in. shaft diameter
- Bolt-on end 1 and bolt-on end 2 design
- Slip yoke included
- Compressed length: 64.875 in.; drive shaft length: 66.375 in.
- Drive shaft wall thickness: 0.083 in.
- Standard replacement grade
Detailed Description
Dorman 986-508 is engineered as a direct replacement drive shaft for rear applications on the 2015-2017 Ford Expedition and 2015-2017 Lincoln Navigator. The assembly arrives pre-balanced and uses new steel tubes, new yokes, and new universal joints to support a straightforward driveline repair. With bolt-on ends and an included slip yoke, this drive shaft is built for service on vehicles that require a complete rear shaft assembly. Part number 986-508 also cross-references Ford FL1Z4R602B for the same application.
Common Repair Uses
- Restores driveline rotation after a worn or damaged shaft
- Addresses vibration caused by worn universal joints or imbalance
- Replaces bent, corroded, or fatigued shaft components
- Helps correct clunking or driveline noise from shaft wear
- Supports repair after failure of the original rear drive shaft
Installation Notes and Tips
Verify rear application and match the compressed length, drive shaft length, shaft diameter, and end type before installation. Inspect related driveline components, including mounting points and mating surfaces, for wear or damage before fitting the replacement shaft. Confirm vehicle-specific fitment for 2015-2017 Ford Expedition and 2015-2017 Lincoln Navigator before ordering Dorman 986-508.
Quality Assurance
This Dorman drive shaft assembly is a standard replacement part built with new core components and pre-balanced for installation. It is intended to provide a service-ready driveline solution for the listed Ford Expedition and Lincoln Navigator rear applications.
| Brand | Dorman |
|---|---|
| Part Number | 986-508 |
| Compressed Length | 64.875 |
| 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) | 66.375 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) | 66.375 in. |
| Longitud total ajustable | Sí |
| Overall Length Adjustable | Oui |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Drive Type | Wheel Base | Position | Notes |
|---|---|---|---|---|---|---|
| 2017 | Ford | Expedition | RWD | 119.0" | Rear | |
| 2017 | Lincoln | Navigator | RWD | 119.0" | Rear | |
| 2016 | Ford | Expedition | RWD | 119.0" | Rear | |
| 2016 | Lincoln | Navigator | RWD | 119.0" | Rear | |
| 2015 | Ford | Expedition | RWD | 119.0" | Rear | |
| 2015 | Lincoln | Navigator | RWD | 119.0" | 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.