Dorman 520-423 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

Durable Suspension Control Arm and Ball Joint Assembly

The Dorman 520-423 suspension control arm and ball joint assembly is engineered for reliable performance in Chevrolet Nova and Toyota Corolla models. Designed with pre-greased components and included bushings, this assembly ensures smooth suspension operation and long-lasting durability.

• Pre-greased for immediate use and reduced maintenance
• Includes rubber bushings for effective vibration dampening
• Steel construction with casting/forged control arm for strength
• Bolt-in ball joint with threaded stud for secure mounting
• Mounting hardware included for straightforward installation
• Compatible with Chevrolet Nova and Toyota Corolla vehicles

Product Features and Specifications

This suspension control arm and ball joint assembly (part number 520-423) features a light suspension grade type suitable for regular driving conditions. The control arm is constructed from durable steel with a black finish, measuring up to 288.5 mm in width and 237 mm in length. The assembly includes rubber bushings to absorb road shocks and reduce noise. The ball joint is pre-installed and features a threaded stud with a 14 mm thread diameter, mounted via a bolt-in method for secure attachment. One mounting hole with a diameter of 12.3 mm is included, along with all necessary mounting hardware to facilitate installation.

Compatible Vehicles and Applications

This Dorman suspension control arm and ball joint assembly is specifically designed for use with Chevrolet Nova and Toyota Corolla models. It is ideal for replacing worn or damaged suspension components to restore proper steering and handling performance.

• Eliminates excessive play or looseness in suspension
• Resolves uneven tire wear caused by faulty control arms
• Corrects steering instability or wandering
• Reduces suspension noise and vibrations
• Restores proper wheel alignment and suspension geometry

Installation Notes and Tips

Installation of the Dorman 520-423 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 all mounting hardware is securely tightened to manufacturer torque specifications. It is recommended to perform a wheel alignment after installation to maintain optimal handling and tire life.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards for fit, form, and function. The 520-423 control arm and ball joint assembly undergoes rigorous quality checks to ensure durability and performance. This product comes with a limited warranty covering defects in materials and workmanship, providing confidence in your replacement part.