Dorman 520-964 Suspension Control Arm and Ball Joint Assembly - Front Right Lower Forward

Durable Suspension Control Arm and Ball Joint Assembly

The Dorman 520-964 suspension control arm and ball joint assembly is engineered for reliable performance in select Mercedes-Benz models. Designed with pre-greased components and rubber bushings, this assembly supports smooth suspension operation and vehicle stability.

• Pre-greased for immediate use and reduced maintenance
• Includes rubber bushings for vibration dampening
• Threaded ball joint stud with 14 mm diameter
• Constructed from durable steel with a black finish
• Mounting hardware included for straightforward installation
• Compatible with multiple Mercedes-Benz CLS, E, and SL AMG and standard models

Product Features and Specifications

This suspension control arm and ball joint assembly from Dorman is built with a steel casting/forged control arm, providing strength and durability for light suspension grade applications. The assembly comes pre-greased and includes rubber bushings to absorb road vibrations and improve ride quality. The ball joint is installed and features a threaded stud with a 14 mm thread diameter, ensuring secure attachment. The control arm measures up to 288.5 mm in width and 237 mm in length, with a single mounting hole of 12.3 mm diameter. Mounting hardware is included to facilitate installation, although the assembly is not adjustable.

Compatible Mercedes-Benz Models

This Dorman 520-964 suspension control arm and ball joint assembly is compatible with a range of Mercedes-Benz vehicles, including CLS55 AMG, CLS63 AMG, CLS500, CLS550, E55 AMG, E63 AMG, E320, E350, E500, E550, SL55 AMG, SL63 AMG, SL65 AMG, SL500, SL550, and SL600 models. It is designed to meet the suspension requirements of these vehicles, ensuring proper fit and function.

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing excessive vibration
• Loose or failing ball joints leading to steering instability
• Corroded or weakened control arm compromising suspension integrity
• Noise or clunking sounds from suspension components
• Uneven tire wear due to suspension misalignment

Installation Notes and Tips

Installation of the Dorman 520-964 control arm and ball joint assembly requires basic suspension knowledge and tools. Since the assembly comes pre-greased and includes mounting hardware, it simplifies the replacement process. Ensure the vehicle is securely lifted and supported before removal of the old control arm. Verify torque specifications for mounting bolts and ball joint stud during installation. Alignment check after installation is recommended to maintain proper handling characteristics.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 520-964 suspension control arm and ball joint assembly undergoes rigorous quality control to ensure durability and performance. This part is backed by Dorman's limited warranty, providing coverage against defects in material and workmanship under normal use.