Dorman 524-478 Suspension Control Arm and Ball Joint Assembly - Front Right Lower

Durable Suspension Control Arm and Ball Joint Assembly

The Dorman 524-478 suspension control arm and ball joint assembly is engineered for reliable performance in Lexus and Toyota vehicles. Designed specifically for models like the Lexus NX200t, NX300, NX300h, and Toyota RAV4, this assembly ensures proper suspension function and vehicle stability.

• Pre-greased for immediate use and reduced maintenance
• Includes rubber bushings and mounting hardware for a complete installation
• Stamped steel control arm construction for strength and durability
• Bolt-in ball joint with threaded stud for secure mounting
• Compatible with Lexus NX200t, NX300, NX300h, and Toyota RAV4 models

Product Features and Specifications

This suspension control arm and ball joint assembly from Dorman is built with a stamped steel control arm finished in black for corrosion resistance. The assembly includes pre-installed ball joints with a 14 mm threaded stud and a single 12.3 mm mounting hole, designed for bolt-in installation. Rubber bushings are included to absorb vibrations and provide a smooth ride. The control arm measures up to 288.5 mm in width and 237 mm in length, suitable for light suspension grade applications. Mounting hardware is provided to facilitate a straightforward replacement process.

Compatible Vehicles and Applications

This Dorman 524-478 suspension control arm and ball joint assembly is compatible with the following vehicles:

• Lexus NX200t
• Lexus NX300
• Lexus NX300h
• Toyota RAV4

It is designed to restore proper suspension geometry and improve handling characteristics for these models.

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing excessive play
• Faulty ball joints leading to steering instability
• Uneven tire wear due to suspension misalignment
• Clunking noises from suspension components
• Reduced vehicle handling and ride comfort

Installation Notes and Tips

Installation of the Dorman 524-478 assembly requires basic suspension knowledge and tools. Since the ball joint is pre-installed and the control arm is pre-greased, the assembly is ready for immediate installation. Ensure the mounting hole aligns correctly with the vehicle’s frame and torque all bolts to manufacturer specifications. No grease fitting is included, so no additional lubrication is necessary after installation.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards. The 524-478 control arm and ball joint assembly undergoes rigorous quality checks to ensure durability and fitment accuracy. This product comes with a limited warranty covering defects in materials and workmanship, providing confidence in its long-term performance.