Dorman 540-028 Suspension Ball Joint - Front Lower

Dorman 540-028 Front Lower Ball Joint

Dorman 540-028 is a threaded suspension ball joint built as a direct replacement for the original equipment design on select Ford, Lincoln, and Mercury vehicles. It is precision-engineered and tested for dependable front suspension service on applications such as the Ford Crown Victoria, Grand Marquis, and Lincoln Town Car.

Key Features

• Threaded, press-in suspension ball joint for front lower applications
• Steel construction with a 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
• Not greaseable and no grease fitting included
• Not adjustable

Detailed Description

This Dorman suspension ball joint, part number 540-028, is designed for front lower suspension service on 1995-2002 Ford Crown Victoria, 1995-2002 Ford Grand Marquis, 1995-2002 Lincoln Town Car, and 1995-2002 Mercury Grand Marquis. The steel body, threaded design, and press-in mounting style support OE-style replacement needs where the original joint has worn, loosened, or developed excess play. A dust boot is included to help shield the joint from road debris and moisture, while the tapered stud helps maintain proper connection at the steering knuckle. This part cross-references MOOG Chassis Products K8685 and Mevotech Supreme MK8685 for the same application.

Common Problems This Part Can Help Solve

• Front-end clunking or popping from a worn lower ball joint
• Excess steering looseness or wandering
• Uneven tire wear caused by suspension play
• Loose or unstable front suspension geometry
• Inspection failure due to ball joint wear

Installation Notes and Tips

Verify the vehicle is a front lower application before installation. Because this is a press-in, threaded-style ball joint, proper suspension service tools are required for removal and installation. Inspect the control arm, knuckle interface, and surrounding hardware for wear before assembly. Confirm fitment by year, make, model, and position: Fits 1995-2002 Ford Crown Victoria, front lower; Fits 1995-2002 Ford Grand Marquis, front lower; Fits 1995-2002 Lincoln Town Car, front lower; Fits 1995-2002 Mercury Grand Marquis, front lower.

Quality Assurance

Dorman designs this replacement ball joint to match the original equipment function for the listed vehicles and subjects it to testing for reliable service. Part number 540-028 is built for direct replacement use on the confirmed front lower applications listed above.