Dorman 521-565 Suspension Control Arm and Ball Joint Assembly - Front Left Upper

Durable Suspension Control Arm and Ball Joint Assembly

The Dorman 521-565 suspension control arm and ball joint assembly is engineered for reliable performance in Ford Crown Victoria, Lincoln Town Car, and Mercury Grand Marquis models. Designed with pre-greased components and included bushings, this assembly ensures smooth suspension operation and long-lasting durability.

• Pre-greased for immediate use and reduced maintenance
• Includes rubber bushings and mounting hardware for easy installation
• Iron casting/forged control arm construction for strength and stability
• Bolt-in ball joint with pinch stud type, installed and ready
• Compatible with Ford Crown Victoria, Lincoln Town Car, and Mercury Grand Marquis

Technical Specifications and Features

This suspension control arm and ball joint assembly features a light suspension grade type suitable for regular driving conditions. The control arm measures up to 288.5 mm in width and 237 mm in length, finished in black for corrosion resistance. The assembly includes one mounting hole with a diameter of 12.3 mm, and the ball joint thread diameter is 14 mm. Rubber bushings are included to absorb vibrations and provide a smoother ride. The ball joint is bolt-in mounted and pre-installed, eliminating the need for additional assembly.

Compatible Vehicles and Applications

This Dorman 521-565 part is specifically designed for use with Ford Crown Victoria, Lincoln Town Car, and Mercury Grand Marquis vehicles. It is ideal for replacing worn or damaged suspension control arms and ball joints to restore proper steering and suspension function.

• Eliminates suspension noise caused by worn bushings or ball joints
• Restores proper wheel alignment and handling
• Reduces uneven tire wear due to suspension play
• Improves ride comfort by maintaining suspension geometry
• Addresses looseness or play in the front suspension system

Installation Notes and Tips

Installation of the Dorman 521-565 suspension control arm and ball joint assembly requires basic suspension knowledge and tools. Since the ball joint is pre-installed and the control arm is pre-greased, the assembly can be bolted directly into place using the included mounting hardware. Ensure the mounting hole aligns properly and torque all fasteners to manufacturer specifications. It is recommended to have a professional alignment performed after installation to maintain optimal vehicle handling.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards. The 521-565 assembly undergoes rigorous quality checks to ensure durability and fitment accuracy. This part comes with a limited warranty covering defects in materials and workmanship, providing confidence in its long-term performance for Ford Crown Victoria, Lincoln Town Car, and Mercury Grand Marquis owners.