Dorman 521-864 Suspension Control Arm and Ball Joint Assembly - Front Right Upper

Durable Suspension Control Arm and Ball Joint Assembly for Land Rover LR3

The Dorman 521-864 suspension control arm and ball joint assembly is designed specifically for the Land Rover LR3. This pre-greased, stamped steel control arm offers reliable performance and includes all necessary mounting hardware for a straightforward installation.

• Pre-greased for immediate use
• Includes rubber bushings for vibration dampening
• Stamped steel construction in black finish
• Press-in ball joint with threaded stud included and installed
• Mounting hardware included for easy replacement
• Designed for light suspension grade applications
• Single mounting hole with 12.3 mm diameter
• Control arm dimensions: maximum length 237 mm, maximum width 288.5 mm

Product Details and Specifications

The Dorman 521-864 control arm assembly is engineered with a stamped steel arm that provides structural integrity while maintaining a lightweight profile suitable for light suspension grade use. The assembly comes pre-greased, eliminating the need for additional lubrication during installation. Rubber bushings are included to reduce noise and absorb road vibrations, enhancing ride comfort. The ball joint is press-in mounted and features a threaded stud with a 14 mm thread diameter, ensuring secure attachment and compatibility with the Land Rover LR3 suspension system. The black finish offers corrosion resistance and a clean appearance.

Compatible Vehicles and Applications

This suspension control arm and ball joint assembly is compatible with Land Rover LR3 models. It is designed to replace worn or damaged control arms to restore proper suspension geometry and handling characteristics.

• Corrects suspension misalignment issues
• Eliminates clunking or knocking noises from worn ball joints
• Improves steering response and stability
• Reduces uneven tire wear caused by faulty bushings
• Restores proper suspension travel and control

Installation Notes and Tips

Installation of the Dorman 521-864 control arm assembly requires basic suspension knowledge and tools. Since the ball joint is pre-installed and the control arm is pre-greased, no additional lubrication is necessary. Ensure the mounting hole aligns correctly with the vehicle’s frame and suspension components. Torque all mounting hardware to manufacturer specifications. It is recommended to perform a wheel alignment after installation to maintain proper handling and tire wear.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards. The 521-864 control arm and ball joint assembly undergoes rigorous quality checks to ensure durability and fitment accuracy. This product includes a limited warranty against defects in materials and workmanship, providing confidence in its long-term performance on your Land Rover LR3.