Dorman 520-290 Suspension Control Arm and Ball Joint Assembly - Front Right Lower

Reliable Suspension Control Arm and Ball Joint Assembly

The Dorman 520-290 suspension control arm and ball joint assembly is designed for Ford Explorer and Mercury Mountaineer models. This pre-greased, steel control arm with integrated ball joint offers a durable solution for maintaining proper suspension geometry and vehicle handling.

• Pre-greased for immediate installation and reduced maintenance
• Includes rubber bushings and mounting hardware for a complete assembly
• Steel construction with casting/forged control arm for strength and durability
• Press-in ball joint with threaded stud for secure mounting
• Compatible with Ford Explorer and Mercury Mountaineer suspension systems

Product Features and Specifications

The Dorman 520-290 control arm assembly features a light suspension grade type suitable for regular driving conditions. The control arm is finished in black and measures up to 288.5 mm in width and 237 mm in length. It includes one mounting hole with a diameter of 12.3 mm, and the ball joint stud has a 14 mm thread diameter. Rubber bushings are included to absorb vibrations and reduce noise, while the ball joint is installed and ready for use. Mounting hardware is also provided to facilitate installation.

Application and Common Repair Uses

This suspension control arm and ball joint assembly is compatible with Ford Explorer and Mercury Mountaineer vehicles, making it suitable for addressing several suspension-related issues:

• Worn or damaged control arm bushings causing steering instability
• Loose or failing ball joints leading to uneven tire wear
• Suspension noise or clunking during driving
• Misalignment affecting vehicle handling and safety
• Corroded or bent control arms from road impacts

Installation Notes and Tips

Installation of the Dorman 520-290 assembly requires basic suspension repair tools. Since the ball joint is pre-installed and the control arm is pre-greased, the assembly is ready for direct replacement. Ensure the vehicle is properly supported and aligned after installation. Torque specifications should be followed according to the vehicle manufacturer’s guidelines. No grease fitting is included, so no additional lubrication is necessary during installation.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards. The 520-290 control arm and ball joint assembly undergoes rigorous quality checks to ensure durability and fitment accuracy for Ford Explorer and Mercury Mountaineer models. This part is backed by Dorman’s limited warranty, providing coverage against defects in materials and workmanship under normal use.