Dorman 520-763 Suspension Control Arm and Ball Joint Assembly - Front Left Upper Forward

Durable Suspension Control Arm and Ball Joint Assembly

The Dorman 520-763 suspension control arm and ball joint assembly is engineered for reliable performance in Audi and Volkswagen vehicles. Designed specifically for models like the Audi A4, A6, S4, and Volkswagen Passat, this assembly ensures precise suspension control and improved handling.

• Pre-greased for immediate installation and smooth operation
• Includes rubber bushings and mounting hardware for a complete replacement
• Constructed from durable steel with a black finish for corrosion resistance
• Ball joint installed with a pinch bolt stud type for secure attachment
• Compatible with light suspension grade applications

Product Features and Specifications

This suspension control arm and ball joint assembly features a casting/forged steel control arm with a maximum length of 237 mm and a width of 288.5 mm. The assembly comes pre-greased, eliminating the need for additional lubrication during installation. Rubber bushings are included to absorb vibrations and reduce noise, while the mounting hardware and a single 12.3 mm diameter mounting hole simplify the installation process. The ball joint is factory-installed and uses a pinch bolt stud type with a 14 mm thread diameter, ensuring a secure fit and reliable steering response.

Compatible Vehicles and Applications

This Dorman 520-763 control arm assembly is compatible with a range of Audi and Volkswagen models, including the Audi A4, A4 Quattro, A6, A6 Quattro, Allroad Quattro, RS6, S4, S6, and the Volkswagen Passat. It is designed for light suspension grade use, making it suitable for regular driving conditions and maintaining factory suspension performance.

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing steering instability
• Ball joint wear leading to uneven tire wear or clunking noises
• Corroded or bent control arms affecting wheel alignment
• Loose or missing mounting hardware resulting in suspension play
• Vibration and noise from deteriorated suspension components

Installation Notes and Tips

Installation of the Dorman 520-763 assembly requires basic suspension knowledge and tools. Since the part comes pre-greased and includes bushings and mounting hardware, it streamlines the replacement process. Ensure the vehicle is properly supported and aligned after installation. Torque all mounting bolts to manufacturer specifications and inspect related suspension components for wear during replacement.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards. The 520-763 control arm and ball joint assembly undergoes rigorous quality checks to ensure durability and fitment accuracy. This part is backed by Dorman's limited warranty, providing coverage against defects in materials and workmanship under normal use.