Dorman 539-994 Suspension Ball Joint - Front Upper

Dorman 539-994 Front Upper Ball Joint

Dorman 539-994 is a threaded, press-in suspension ball joint built for the front upper position on select Ford trucks and SUVs. It is engineered and tested as a direct replacement for the original equipment design, with a steel body, dust boot, and included mounting hardware.

• Front upper suspension ball joint for select Ford applications
• Threaded design with press-in mounting type
• Steel construction with grey finish
• Dust boot included to help protect the joint from contamination
• Premium suspension grade type
• Tapered stud design with 12 mm wrench size
• Mounting hardware included

Vehicle Fitment

• Fits 1997 Ford F-250, front upper, w/Twin I-Beam Suspension
• Fits 1997 Ford F-250 HD, front upper, w/Twin I-Beam Suspension
• Fits 1987-1997 Ford F-350, front upper, w/Twin I-Beam Suspension
• Fits 1987-1996 Ford F-150, front upper
• Fits 1987-1996 Ford F-250, front upper
• Fits 1986-1991 Ford F-200, front upper

Detailed Description

This Dorman suspension ball joint is made for Ford front upper suspension service where OE-style fit and geometry matter. It cross-references MOOG Chassis Products K8432T and Beck/Arnley 101-5198 for the same application, and it also aligns with other listed interchange numbers for this platform. Common search terms for this part include front upper ball joint for 1987-1996 Ford F-150, front upper ball joint for 1987-1996 Ford F-250, and front upper ball joint for 1987-1997 Ford F-350.

For buyers servicing a Ford F-150, Ford F-250, Ford F-350, Ford F-200, or 1997 Ford F-250 HD, this part number 539-994 provides a direct replacement option for the front upper suspension location. The steel construction, dust boot, and press-in threaded design support a precise repair on the specified Twin I-Beam and front upper applications.

Common Repair Symptoms

• Front-end looseness or play at the upper control area
• Clunking or knocking over bumps
• Uneven tire wear from worn suspension geometry
• Steering wander or reduced directional stability
• Visible boot damage or joint contamination

Installation Notes

Verify the vehicle’s front upper suspension configuration before ordering, especially on 1997 Ford F-250, 1997 Ford F-250 HD, and 1987-1997 Ford F-350 models with Twin I-Beam Suspension. This is a press-in style ball joint with a threaded stud and tapered stud design, so proper suspension service tools and alignment procedures are recommended after installation. Confirm fitment by year, make, model, and position before beginning the repair.

Quality Assurance

Dorman designs this ball joint as a precision-engineered replacement and subjects it to testing for reliable OE-style service on the listed Ford applications. Part number 539-994 is built to meet the demands of front suspension repair on select F-Series trucks and related models.