Dorman 520-287 Suspension Control Arm and Ball Joint Assembly - Front Left Upper

Durable Suspension Control Arm and Ball Joint Assembly

The Dorman 520-287 suspension control arm and ball joint assembly is engineered for reliable performance in Ford, Lincoln, and Mercury vehicles. Designed specifically for models like the Aviator, Explorer, and Mountaineer, 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
• Steel construction with casting/forged control arm for strength and durability
• Press-in ball joint with threaded stud for secure mounting
• Compatible with light suspension grade applications

Product Features and Specifications

This suspension control arm and ball joint assembly from Dorman is built with a steel control arm featuring a black finish and a maximum length of 237 mm and width of 288.5 mm. The assembly includes pre-installed ball joints with a 14 mm threaded stud and a 12.3 mm mounting hole diameter. Rubber bushings are included to reduce vibration and noise, and the package comes with all necessary mounting hardware. The ball joint is press-in mounted, ensuring a secure fit without the need for additional grease fittings.

Compatible Vehicles and Applications

This part number 520-287 is compatible with select Ford, Lincoln, and Mercury models, including the Aviator, Explorer, and Mountaineer. It is designed for light suspension grade use, making it suitable for regular driving conditions and helping maintain proper wheel alignment and suspension geometry.

• Restores suspension control and handling
• Eliminates worn or damaged control arm and ball joint issues
• Reduces suspension noise and vibration
• Prevents uneven tire wear caused by faulty suspension components
• Improves vehicle stability and steering response

Installation Notes and Tips

Installation of the Dorman 520-287 control arm and ball joint assembly requires basic suspension knowledge and tools. Since the ball joint is pre-installed and pre-greased, no additional lubrication is necessary during installation. Ensure all mounting hardware is securely tightened to manufacturer torque specifications. This assembly is not adjustable, so proper alignment after installation is recommended to maintain optimal vehicle handling.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable fit and function. The 520-287 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 materials and workmanship.