Dorman 521-142 Suspension Control Arm and Ball Joint Assembly - Front Right Upper

Overview of Dorman Suspension Control Arm and Ball Joint Assembly

The Dorman 521-142 suspension control arm and ball joint assembly is designed for reliable suspension performance on Ford Crown Victoria, Lincoln Town Car, and Mercury Grand Marquis models. This pre-greased, steel control arm assembly includes a press-in ball joint and rubber bushings to maintain proper suspension geometry and vehicle handling.

• Pre-greased for immediate installation
• Includes rubber bushings and mounting hardware
• Steel control arm with casting/forged construction
• Press-in ball joint with pinch stud type installed
• Compatible with Ford Crown Victoria, Lincoln Town Car, Mercury Grand Marquis

Detailed Product Features and Specifications

The Dorman 521-142 control arm assembly features a durable steel construction with a black finish, providing corrosion resistance and strength. It includes a single mounting hole with a diameter of 12.3 mm and measures up to 288.5 mm in width and 237 mm in length. The assembly comes pre-greased, eliminating the need for additional lubrication during installation. The ball joint is press-in mounted with a 14 mm thread diameter pinch stud, ensuring secure attachment and smooth suspension articulation. Rubber bushings are included to absorb vibrations and reduce noise, contributing to a smoother ride. Mounting hardware is also provided for a complete replacement solution.

Compatible Vehicles and Applications

This suspension control arm and ball joint assembly is specifically designed for use on Ford Crown Victoria, Lincoln Town Car, and Mercury Grand Marquis vehicles. It is ideal for addressing suspension issues related to wear or damage in these models, ensuring proper alignment and handling characteristics.

• Worn or damaged control arm bushings causing suspension noise
• Loose or failing ball joints affecting steering stability
• Corroded or bent control arms impacting wheel alignment
• Suspension components causing uneven tire wear
• Replacing original equipment for maintenance or repair

Installation Notes and Tips

Installation of the Dorman 521-142 control arm and ball joint assembly requires basic suspension repair tools. Since the ball joint is pre-installed and the assembly is pre-greased, the process is streamlined. Ensure the vehicle is securely lifted and supported before removal of the old control arm. Verify torque specifications for mounting hardware and ball joint fasteners according to manufacturer guidelines. Alignment should be checked and adjusted after installation to maintain proper handling and tire wear.

Quality Assurance and Warranty Information

Dorman suspension components are manufactured to meet or exceed OEM standards for fit, form, and function. The 521-142 control arm and ball joint assembly undergoes quality inspections to ensure durability and performance. This part is backed by Dorman's limited warranty, providing coverage against defects in materials and workmanship under normal use.