Dorman 520-889 Suspension Control Arm and Ball Joint Assembly - Front Left Lower Rearward

Durable Suspension Control Arm and Ball Joint Assembly

The Dorman 520-889 suspension control arm and ball joint assembly is engineered for reliable performance in Ford Fusion, Lincoln MKZ, Mazda Milan, and Mercury Zephyr models. Designed with quality materials and pre-greased components, this assembly supports smooth suspension operation and vehicle handling.

• Pre-greased for immediate use and reduced maintenance
• Includes rubber bushings for vibration dampening
• Press-in ball joint with pinch stud for secure fitment
• Constructed from durable iron with a black finish
• Mounting hardware included for straightforward installation
• Compatible with Ford Fusion, Lincoln MKZ, Mazda Milan, and Mercury Zephyr

Technical Specifications and Features

This suspension control arm and ball joint assembly features a casting/forged iron control arm measuring up to 288.5 mm in width and 237 mm in length. The assembly includes a pre-installed ball joint with a 14 mm thread diameter and a single mounting hole with a 12.3 mm diameter. Rubber bushings are integrated to reduce noise and absorb road shocks, while the assembly is designed for light suspension grade applications. The ball joint mounting type is press-in, and the stud type is pinch, ensuring a secure and stable connection.

Compatible Vehicles and Applications

This Dorman 520-889 control arm and ball joint assembly is compatible with specific models including the Ford Fusion, Lincoln MKZ, Mazda Milan, and Mercury Zephyr. It is designed to replace worn or damaged suspension components, restoring proper alignment and handling characteristics for these vehicles.

• Restores suspension stability and control
• Eliminates clunking or knocking noises from worn joints
• Corrects uneven tire wear caused by faulty control arms
• Improves steering response and vehicle handling
• Addresses vibration issues related to deteriorated bushings

Installation Notes and Tips

Installation of the Dorman 520-889 assembly requires basic suspension knowledge and appropriate tools. The control arm comes pre-greased and includes mounting hardware, but no grease fitting is provided. Ensure the vehicle is securely lifted and supported before removal of the old control arm. Verify torque specifications for mounting bolts and ball joint connections according to manufacturer guidelines. Alignment check after installation is recommended to maintain proper suspension geometry.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards for fit, form, and function. The 520-889 assembly undergoes rigorous quality control to ensure durability and performance. While specific warranty details are not provided here, Dorman typically offers limited warranties on suspension parts to cover defects in materials and workmanship.