Dorman 520-289 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

Durable Suspension Control Arm and Ball Joint Assembly

The Dorman 520-289 suspension control arm and ball joint assembly is engineered for reliable performance in Ford Explorer and Mercury Mountaineer vehicles. Designed with pre-greased components and included bushings, this assembly ensures smooth suspension operation and long-lasting durability.

• Pre-greased for immediate use without additional lubrication
• Includes rubber bushings for effective vibration dampening
• Steel stamped control arm construction for strength and rigidity
• Ball joint installed with threaded stud for secure mounting
• Mounting hardware included for straightforward installation
• Compatible with Ford Explorer and Mercury Mountaineer models

Product Features and Specifications

This suspension control arm and ball joint assembly features a stamped steel control arm finished in black, measuring up to 580 mm in width and 500 mm in length. The assembly includes three mounting holes with a diameter of 20.6 mm, designed for a secure fit. The ball joint is press-in mounted and comes pre-installed with a 16 mm threaded stud, eliminating the need for separate ball joint installation. Rubber bushings are included to reduce noise and absorb road shocks, contributing to a smoother ride. The assembly is pre-greased, allowing for immediate installation without the need for additional lubrication, although it does not include a grease fitting. Mounting hardware is provided to facilitate a complete replacement.

Compatible Vehicles and Applications

This Dorman 520-289 control arm and ball joint assembly is specifically compatible with Ford Explorer and Mercury Mountaineer models. It is designed to replace worn or damaged suspension components, restoring proper alignment and handling characteristics.

• Corrects suspension misalignment and uneven tire wear
• Eliminates clunking or knocking noises from worn ball joints
• Improves steering response and vehicle stability
• Addresses excessive vibration or harshness in the front suspension
• Restores proper suspension geometry after impact or wear

Installation Notes and Tips

Installation of the Dorman 520-289 assembly requires basic suspension tools and mechanical knowledge. Since the ball joint is pre-installed and the control arm is pre-greased, the process is simplified. Ensure all mounting hardware is torqued to manufacturer specifications. Although the assembly does not include a grease fitting, periodic inspection of the ball joint and bushings is recommended to maintain optimal performance. Alignment should be checked and adjusted after installation to ensure proper handling.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards for fit, form, and function. The 520-289 control arm and ball joint assembly undergoes rigorous quality control to ensure durability and reliability. This product is backed by Dorman's limited warranty, providing coverage against defects in materials and workmanship under normal use.