Dorman 540-024 Suspension Ball Joint - Front Lower

Dorman 540-024 Front Lower Ball Joint

Dorman 540-024 is a threaded suspension ball joint built for front lower applications on select Ford Edge, Lincoln MKX, and Mazda CX-9 models. It is precision-engineered and tested for reliable OE-style replacement, with a steel body, dust boot, and included mounting hardware.

Key Features

• Threaded suspension ball joint for front lower installation
• Steel construction with grey finish
• Dust boot included to help protect the joint from contamination
• Premium suspension grade type
• Press-in mounting type with pinch-style stud
• 12 mm wrench size and 35.5 mm stud thread length
• Mounting hardware included
• Not greaseable and no grease fitting, cotter pin, or castle nut included

Detailed Description

This Dorman suspension ball joint, part number 540-024, is made for front lower suspension service where a worn joint can affect steering feel and suspension control. The steel construction and polychloroprene dust boot support long-term durability in demanding road conditions. It cross-references Monroe Shocks & Struts 172286 for the same application.

Fits 2007-2015 Lincoln MKX, front lower. Fits 2007-2015 Mazda CX-9, front lower. Fits 2007-2014 Ford Edge, front lower. This part number 540-024 is a direct-fit replacement for these applications and is commonly searched as a front lower ball joint for Ford Edge, Lincoln MKX, and Mazda CX-9 suspension repair.

What It Helps Address

• Front-end clunking or popping from a worn ball joint
• Loose or imprecise steering response
• Uneven tire wear related to suspension joint wear
• Suspension play at the front lower control arm connection
• Inspection failure caused by excessive ball joint movement

Installation Notes and Tips

Verify front lower fitment by year, make, and model before installation. This press-in ball joint uses a threaded design and pinch-style stud, so proper suspension service tools are recommended for removal and installation. Inspect the surrounding control arm, fasteners, and boot condition during service to avoid repeat repairs.

Quality Assurance

Dorman engineers and tests this replacement ball joint to meet the needs of specific vehicle applications. The design focuses on dependable fit and function for front lower suspension service on the listed Ford, Lincoln, and Mazda models.