Dorman 520-217 Suspension Control Arm and Ball Joint Assembly - Front Left Upper

Durable Suspension Control Arm and Ball Joint Assembly

The Dorman 520-217 suspension control arm and ball joint assembly is engineered for reliable performance in Ford and Lincoln vehicles. Designed specifically for models like the Ford F-150, Expedition, and Lincoln Navigator, this assembly ensures proper suspension function and vehicle stability.

• Pre-greased for immediate installation and smooth operation
• Includes rubber bushings and mounting hardware for a complete replacement
• Constructed from durable iron with a black finish for corrosion resistance
• Press-in ball joint with threaded stud for secure mounting
• Compatible with Ford Blackwood, F-150 Heritage, F-250, and Lincoln Navigator

Product Features and Specifications

This suspension control arm and ball joint assembly (part number 520-217) features a casting/forged iron control arm designed for light suspension grade applications. The assembly comes pre-greased, eliminating the need for additional lubrication during installation. Rubber bushings are included to reduce vibration and noise, while the ball joint is installed and ready to use. The ball joint mounting type is press-in with a threaded stud, providing a secure fit. The control arm measures up to 288.5 mm in width and 237 mm in length, with a single mounting hole diameter of 12.3 mm. Mounting hardware is included to facilitate installation.

Compatible Vehicles and Applications

This Dorman suspension control arm and ball joint assembly is compatible with a range of Ford and Lincoln models, including:

• Ford F-150 and F-150 Heritage
• Ford Expedition and F-250
• Lincoln Blackwood and Navigator

It is designed to restore proper suspension geometry and improve handling for these specific vehicles.

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing excessive play
• Faulty ball joints leading to uneven tire wear or steering issues
• Corroded or weakened control arm compromising suspension integrity
• Noise or vibration from suspension components
• Misalignment affecting vehicle stability and handling

Installation Notes and Tips

Before installation, verify vehicle compatibility with the Dorman 520-217 part number. The assembly comes pre-greased and includes mounting hardware, simplifying the replacement process. Use appropriate tools to press out the old ball joint if necessary, and ensure all mounting bolts are torqued to manufacturer specifications. Since the control arm is not adjustable, alignment should be checked and corrected after installation.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards. The 520-217 control arm and ball joint assembly undergoes rigorous quality checks to ensure durability and fitment accuracy. This part is backed by Dorman's limited warranty, providing coverage against defects in materials and workmanship under normal use.