Dorman 540-001 Suspension Ball Joint - Front Lower

Dorman 540-001 Suspension Ball Joint

Dorman 540-001 is a threaded suspension ball joint built as a direct replacement for specific Ford and Lincoln front lower applications. It is precision-engineered and tested for reliable OE-style service on the Expedition, Navigator, F-150, and Mark LT.

Key Features

• Threaded, press-in suspension ball joint for front lower mounting locations
• Steel construction with a gray finish
• Dust boot included for joint protection
• Premium suspension grade type
• Mounting hardware included
• 12 mm wrench size
• Tapered stud design
• Part number: 540-001

Detailed Description

This Dorman suspension ball joint is engineered for direct replacement service on 2007-2017 Ford Expedition front lower, 2007-2017 Lincoln Navigator front lower, 2009-2014 Ford F-150 front lower, and 2010-2014 Lincoln Mark LT front lower applications. Built from steel with a polychloroprene dust boot, it is made to restore proper suspension connection at the control arm and steering knuckle interface. The threaded design and press-in mounting type support a precise OE-style fit, while the tapered stud helps maintain secure engagement in the suspension assembly. If you are searching for a front lower ball joint for Ford Expedition, Lincoln Navigator, or Ford F-150 service, Dorman 540-001 is a direct-fit replacement option. This part cross-references MOOG Chassis Products K500008 for the same application.

What It Helps Address

• Front suspension looseness or play
• Clunking or knocking from the lower front suspension
• Uneven tire wear related to worn ball joint movement
• Steering instability caused by excess joint wear
• Restoring proper front lower suspension articulation

Installation Notes and Tips

Verify vehicle year, make, model, and front lower position before installation. Inspect the surrounding control arm, knuckle, and mounting surfaces for wear or damage before pressing in the new joint. Use the correct 12 mm tools and follow the vehicle service procedure for torque and alignment checks after installation. Because this is a press-in style suspension ball joint, proper installation equipment is recommended for accurate seating.

Quality Assurance

Dorman states this suspension ball joint is precision-engineered and rigorously tested to provide reliable replacement performance for the original equipment on specific vehicles.