Dorman 520-285 Suspension Control Arm and Ball Joint Assembly - Front Left Upper

Reliable Suspension Control Arm and Ball Joint Assembly

The Dorman 520-285 suspension control arm and ball joint assembly is engineered for Ford and Lincoln trucks and SUVs, including the Expedition, F-150, Mark LT, and Navigator. Designed to restore proper suspension function, this assembly comes pre-greased and includes all necessary mounting hardware for a straightforward replacement.

• Pre-greased control arm and ball joint for immediate use
• Includes rubber bushings and mounting hardware
• Press-in ball joint with threaded stud for secure fitment
• Durable iron control arm with black finish
• Compatible with Ford Expedition, F-150, Lincoln Mark LT, and Navigator

Durable Construction and Design Features

This suspension control arm and ball joint assembly from Dorman is constructed from forged and cast iron, providing strength and durability for light suspension grade applications. The assembly includes rubber bushings that help absorb road vibrations and reduce noise. The ball joint is installed and features a press-in mounting type with a 14 mm threaded stud, ensuring a secure and reliable connection. The control arm measures up to 288.5 mm in width and 237 mm in length, with a single 12.3 mm mounting hole for precise fitment. Finished in black, this assembly is designed to meet regular grade suspension requirements without adjustability.

Compatible Vehicles and Applications

This Dorman 520-285 suspension control arm and ball joint assembly is compatible with select Ford and Lincoln models, specifically the Ford Expedition, F-150, Lincoln Mark LT, and Navigator. It is intended for use in light suspension grade systems, making it suitable for daily driving and moderate load conditions. This part is ideal for replacing worn or damaged control arms and ball joints to restore proper steering and suspension performance.

• Eliminates suspension noise caused by worn bushings
• Restores proper wheel alignment and handling
• Replaces damaged or loose ball joints
• Improves ride comfort by reducing vibration
• Addresses control arm wear and structural fatigue

Installation Notes and Tips

Installation of the Dorman 520-285 assembly requires basic suspension knowledge and tools. Since the ball joint is pre-installed and pre-greased, no additional lubrication is necessary during assembly. Ensure the mounting hole aligns correctly with the vehicle’s frame and torque all hardware to manufacturer specifications. This assembly does not include a grease fitting, so routine maintenance should consider this factor. It is recommended to have a professional alignment performed after installation to ensure optimal handling.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 520-285 suspension control arm and ball joint assembly undergoes rigorous quality checks to ensure durability and performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Consult product documentation for exact warranty terms.