Dorman 521-430 Suspension Control Arm and Ball Joint Assembly - Front Right Upper

Reliable Suspension Control Arm for Ford, Jaguar, and Lincoln

The Dorman 521-430 Suspension Control Arm and Ball Joint Assembly is engineered to restore precise suspension performance for select Ford, Jaguar, and Lincoln vehicles. Designed with durable aluminum construction and pre-greased components, this control arm assembly ensures dependable handling and ride quality.

• Pre-greased for immediate installation and reduced maintenance
• Includes rubber bushings and mounting hardware for a complete replacement
• Aluminum control arm with casting/forged construction for strength and lightweight performance
• Press-in ball joint with threaded stud, installed and ready to use
• Compatible with Ford Thunderbird, Jaguar S-Type, and Lincoln LS models

Durable Design and Construction Details

This suspension control arm assembly features a black aluminum control arm with a maximum width of 288.5 mm and length of 237 mm, providing a precise fit for the specified vehicles. The assembly includes rubber bushings that help absorb road vibrations and reduce noise. The ball joint is press-in mounted with a 14 mm threaded stud, ensuring secure attachment and reliable steering response. Mounting hardware is included, and the control arm has one mounting hole with a diameter of 12.3 mm. This light suspension grade component is designed for regular driving conditions and is not adjustable.

Compatible Vehicles and Applications

This Dorman 521-430 control arm assembly is compatible with the following vehicles:

• Ford Thunderbird
• Jaguar S-Type
• Lincoln LS

It is intended for use in suspension repairs where the control arm or ball joint has worn or failed, restoring proper alignment and handling characteristics.

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing steering instability
• Ball joint wear leading to uneven tire wear or clunking noises
• Corroded or bent control arms affecting suspension geometry
• Loose or missing mounting hardware compromising safety
• Reduced ride comfort due to degraded suspension components

Installation Notes and Tips

The Dorman 521-430 control arm assembly comes pre-greased and includes all necessary mounting hardware for straightforward installation. It is recommended to have a professional alignment performed after installation to ensure proper suspension geometry. Since the ball joint is press-in mounted and installed, no additional ball joint assembly is required. Verify compatibility with your specific vehicle model and year before installation.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. This control arm assembly is backed by Dorman's quality standards, ensuring a dependable replacement part. Please refer to Dorman's official warranty policy for detailed coverage information.