Dorman 520-223 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

Overview of Dorman Suspension Control Arm and Ball Joint Assembly

The Dorman 520-223 suspension control arm and ball joint assembly is designed for reliable performance on select Ford, Mazda, and Mercury vehicles. This pre-greased, steel control arm assembly provides a durable solution for maintaining proper suspension geometry and vehicle handling.

• Pre-greased for immediate installation
• Includes rubber bushings and mounting hardware
• Steel construction with casting/forged control arm type
• Press-in ball joint with threaded stud included and installed
• Compatible with Ford B3000, B4000, Explorer, Explorer Sport, Explorer Sport Trac, Mountaineer, and Ranger models

Detailed Product Features and Specifications

This Dorman suspension control arm and ball joint assembly (part number 520-223) features a light suspension grade type suitable for regular driving conditions. The control arm is constructed from durable steel with a black finish, measuring a maximum length of 237 mm and a width of 288.5 mm. It includes one mounting hole with a diameter of 12.3 mm, and the assembly comes complete with rubber bushings to reduce vibration and noise. The ball joint is press-in mounted with a 14 mm threaded stud, already installed for convenience. Mounting hardware is included to facilitate a straightforward replacement process.

Compatible Vehicles and Applications

This control arm and ball joint assembly is compatible with a range of Ford, Mazda, and Mercury models, including:

• Ford B3000 and B4000 pickups
• Ford Explorer, Explorer Sport, and Explorer Sport Trac SUVs
• Mercury Mountaineer SUV
• Ford Ranger pickup

It is designed to restore proper suspension alignment and improve handling characteristics on these vehicles.

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing excessive play
• Faulty ball joints leading to steering instability
• Uneven tire wear due to misaligned suspension components
• Clunking noises from suspension under load
• Reduced vehicle handling and control

Installation Notes and Tips

Installation of the Dorman 520-223 control arm and ball joint assembly requires basic suspension knowledge and tools. Since the ball joint is pre-installed and the control arm is pre-greased, the assembly is ready for immediate installation. Ensure the vehicle is securely lifted and supported before removal of the old control arm. Torque all mounting hardware to manufacturer specifications. Alignment is recommended after installation to maintain proper suspension geometry and tire wear.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards for fit and function. The 520-223 control arm and ball joint assembly undergoes rigorous quality checks to ensure durability and performance. This part is backed by Dorman's limited warranty, providing coverage against defects in material and workmanship under normal use.