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Dorman 539-986 Suspension Ball Joint - Front Lower
Dorman 539-986 Front Lower Ball Joint
Dorman 539-986 is a threaded, press-in suspension ball joint engineered as a direct replacement for the original equipment on select Ford and Lincoln trucks. It is built from steel with a dust boot and mounting hardware included, making it a practical choice for restoring front suspension service on 2004-2008 Ford F-150 and 2006-2008 Lincoln Mark LT applications.
Key Features
- Fits 2004-2008 Ford F-150, front lower
- Fits 2006-2008 Lincoln Mark LT, front lower
- Steel construction with gray finish
- Threaded stud design with press-in mounting type
- Dust boot included for joint protection
- Premium suspension grade type
- Mounting hardware included
- 12 mm wrench size
Detailed Description
This suspension ball joint is precision-engineered and tested for reliable OE-style replacement on the specified vehicles. The Dorman 539-986 uses a threaded stud and press-in mounting design, with a polychloroprene dust boot to help protect the joint interface from road contamination. It is a direct-fit front lower ball joint for 2004-2008 Ford F-150 and 2006-2008 Lincoln Mark LT models, and it cross-references MOOG Chassis Products K80149 for the same application.
Common Repair Applications
- Front-end looseness or play at the lower control arm
- Clunking or knocking from the front suspension
- Uneven tire wear related to worn ball joint movement
- Steering instability during braking or cornering
- Restoration of proper suspension articulation on Ford F-150 and Lincoln Mark LT trucks
Installation Notes and Tips
Verify front lower position and vehicle year before installation. This part uses a press-in mounting type, so proper suspension service tools are required for removal and installation. Confirm the 12 mm wrench size and threaded stud engagement during assembly, and inspect the surrounding control arm components for wear before completing the repair.
Quality Assurance
Dorman manufactures this ball joint as a premium suspension replacement and subjects it to testing for fit and function on the listed applications. The part number is 539-986.
| Brand | Dorman |
|---|---|
| Part Number | 539-986 |
| Material | Acero |
| Material | Steel |
| Maximum Outside Diameter | 61 |
| Length | 111 |
| Color | Gray |
| Color | Gris |
| Castle Nut Included | No |
| Castle Nut Included | Non |
| Grease Fitting Included | No |
| Grease Fitting Included | Non |
| Suspension Grade Type | Premium |
| Bushings Included | No |
| Bushings Included | Non |
| Dust Boot Included | Oui |
| Dust Boot Included | Sí |
| Dust Boot Included | Yes |
| Ball Joint Assembly | Oui |
| Ball Joint Assembly | Sí |
| Ball Joint Assembly | Yes |
| Width | 59 |
| Type | Roscado |
| Type | Threaded |
| Cotter Pin Included | No |
| Cotter Pin Included | Non |
| Cotter Pin Hole | No |
| Cotter Pin Hole | Non |
| Mounting Hardware Included | Oui |
| Mounting Hardware Included | Sí |
| Mounting Hardware Included | Yes |
| Washers Included | No |
This part fits 8 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2008 | Ford | F-150 | Front Lower | |
| 2008 | Lincoln | Mark LT | Front Lower | |
| 2007 | Ford | F-150 | Front Lower | |
| 2007 | Lincoln | Mark LT | Front Lower | |
| 2006 | Ford | F-150 | Front Lower | |
| 2006 | Lincoln | Mark LT | Front Lower | |
| 2005 | Ford | F-150 | Front Lower | |
| 2004 | Ford | F-150 | Front Lower |
* 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.