Dorman 520-837 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

Durable Suspension Control Arm and Ball Joint Assembly

The Dorman 520-837 suspension control arm and ball joint assembly is engineered for reliable performance in Mitsubishi and Plymouth vehicles. Designed specifically for models like the Eclipse, Galant, and Laser, this assembly ensures proper suspension function and vehicle stability.

• Pre-greased for immediate use and reduced maintenance
• Includes rubber bushings and mounting hardware for a complete installation
• Steel construction with casting/forged control arm type for strength and durability
• Press-in ball joint with threaded stud for secure mounting
• Compatible with light suspension grade applications

Product Features and Specifications

The Dorman 520-837 control arm and ball joint assembly features a black steel control arm measuring up to 288.5 mm in width and 237 mm in length. It comes pre-greased and includes rubber bushings to absorb vibrations and reduce noise. The ball joint is installed and ready to use, featuring a 14 mm threaded stud and a press-in mounting type. This assembly includes one mounting hole with a diameter of 12.3 mm and all necessary mounting hardware for a straightforward replacement. The control arm is designed for regular grade suspension systems and is not adjustable.

Compatible Vehicles and Applications

This suspension control arm and ball joint assembly is compatible with select Mitsubishi and Plymouth models, including:

• Mitsubishi Eclipse
• Mitsubishi Galant
• Plymouth Laser

It is intended for light suspension grade use, making it suitable for daily driving conditions and standard road use.

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing steering instability
• Loose or failing ball joints leading to uneven tire wear
• Excessive suspension noise or vibration
• Misalignment due to bent or compromised control arms
• Difficulty maintaining proper wheel alignment

Installation Notes and Tips

Installation of the Dorman 520-837 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 immediate installation. Ensure the mounting hole aligns correctly with the vehicle’s frame and torque all hardware to manufacturer specifications. This part is not adjustable, so proper alignment should be verified after installation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards. The 520-837 suspension control arm and ball joint assembly undergoes rigorous quality checks to ensure durability and fitment accuracy. This product includes a limited warranty covering defects in materials and workmanship under normal use.