Dorman 521-544 Suspension Control Arm and Ball Joint Assembly - Front Lower Forward

Durable Suspension Control Arm and Ball Joint Assembly

The Dorman 521-544 suspension control arm and ball joint assembly is engineered for reliable performance in Ford Fusion, Lincoln MKZ, and Mercury Milan vehicles. Designed with quality materials and pre-greased components, this assembly supports smooth suspension operation and vehicle handling.

• Pre-greased for immediate installation and reduced maintenance
• Includes rubber bushings and mounting hardware for a complete replacement
• Iron control arm with casting/forged construction for strength and durability
• Press-in ball joint with threaded stud for secure fitment
• Compatible with Ford Fusion, Lincoln MKZ, and Mercury Milan models

Product Features and Specifications

This suspension control arm and ball joint assembly (part number 521-544) features a light suspension grade type suitable for regular driving conditions. The control arm is constructed from iron with a black finish, measuring 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 comes with rubber bushings installed to absorb vibrations and reduce noise. The ball joint is pre-installed, press-in mounted, and has a 14 mm threaded stud for secure attachment. Mounting hardware is included to facilitate installation without additional parts.

Compatible Vehicles and Applications

This Dorman suspension control arm and ball joint assembly is compatible with select Ford, Lincoln, and Mercury models, specifically the Ford Fusion, Lincoln MKZ, and Mercury Milan. It is designed to replace worn or damaged suspension components, restoring proper alignment and handling characteristics.

• Restores suspension stability and steering control
• Eliminates clunking or knocking noises from worn ball joints
• Corrects uneven tire wear caused by faulty control arms
• Improves ride comfort by replacing deteriorated bushings
• Addresses suspension misalignment issues

Installation Notes and Tips

Installation of the Dorman 521-544 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 vehicle is securely lifted and supported before removing the old control arm. Verify torque specifications for mounting hardware and ball joint stud during installation. Alignment check after installation is recommended to maintain proper handling and tire wear.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards. The 521-544 control arm and ball joint assembly undergoes rigorous quality control to ensure durability and fitment accuracy. This product includes a limited warranty covering defects in materials and workmanship, providing confidence in its long-term performance.