Dorman 520-407 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

Overview of Dorman Suspension Control Arm 520-407

The Dorman Suspension Control Arm and Ball Joint Assembly 520-407 is designed for reliable suspension performance on select Lexus and Toyota models. Engineered with durable iron construction and rubber bushings, this control arm supports smooth handling and vehicle stability for the Lexus ES250 and Toyota Camry.

• Compatible with Lexus ES250 and Toyota Camry models
• Made from durable iron with a black finish
• Includes rubber bushings and mounting hardware
• Machined ball joint mounting type with threaded stud
• Light suspension grade type for regular driving conditions

Product Features and Specifications

This Dorman control arm features a casting/forged iron design that provides strength and durability. The assembly includes rubber bushings to absorb road vibrations and reduce noise. It comes with mounting hardware for straightforward installation. The ball joint mounting is machined for precise fitment, and the threaded ball joint stud has a 14 mm thread diameter. The control arm measures up to 288.5 mm in width and 237 mm in length, with a single 12.3 mm mounting hole. This part is not greaseable and does not include a grease fitting, reflecting its maintenance-free design.

Compatible Vehicles and Applications

This suspension control arm 520-407 is specifically compatible with the Lexus ES250 and Toyota Camry, making it a suitable replacement for worn or damaged control arms on these models. It is designed for light suspension grade use, ideal for everyday driving conditions where regular suspension performance is required.

Common Issues Addressed by This Control Arm

• Worn or damaged control arm bushings causing steering instability
• Excessive suspension noise or vibration
• Loose or worn ball joint affecting wheel alignment
• Corroded or weakened control arm structure
• Difficulty maintaining proper suspension geometry

Installation Notes and Tips

Installation of the Dorman 520-407 control arm requires basic suspension knowledge and tools. Since the ball joint is not pre-installed, ensure proper ball joint installation or replacement as needed. The included mounting hardware simplifies the process, but torque specifications should be followed according to vehicle manufacturer guidelines. This control arm is not adjustable and does not require greasing, reducing maintenance complexity.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit and function. While this control arm does not include a grease fitting or pre-greased components, it is designed for durability and consistent performance. Warranty coverage details can be obtained from the product documentation or Dorman directly, ensuring confidence in your suspension repair.