Dorman 522-904 Suspension Control Arm and Ball Joint Assembly - Front Right Lower Rearward

Reliable Suspension Control Arm and Ball Joint Assembly

The Dorman 522-904 suspension control arm and ball joint assembly is engineered for precise fitment on select Mercedes-Benz models including the CL550, S350, S450, and S550. Designed with durability and performance in mind, this assembly ensures stable handling and improved suspension response.

• Pre-greased for immediate use and reduced maintenance
• Includes rubber bushings for effective vibration dampening
• Constructed from lightweight aluminum with a black finish
• Press-in ball joint with threaded stud for secure mounting
• Compatible with Mercedes-Benz CL550, S350, S450, and S550 models
• Mounting hardware included for straightforward installation

Durable Construction and Design Features

This suspension control arm and ball joint assembly features a casting/forged aluminum control arm that balances strength and weight savings. The black finish provides corrosion resistance, while the rubber bushings help absorb road shocks and reduce noise. The ball joint is pre-installed and pre-greased, eliminating the need for additional lubrication during installation. Its press-in mounting type and threaded stud with a 14 mm thread diameter ensure a secure and reliable connection to the vehicle’s suspension system. With a maximum length of 237 mm and width of 288.5 mm, this assembly is designed to meet exact OEM specifications for a proper fit.

Compatible Vehicles and Applications

This Dorman 522-904 suspension control arm and ball joint assembly is compatible with the following Mercedes-Benz models:

• Mercedes-Benz CL550
• Mercedes-Benz S350
• Mercedes-Benz S450
• Mercedes-Benz S550

It is intended for light suspension grade applications, making it suitable for regular driving conditions and maintaining factory suspension performance.

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing excessive play or noise
• Faulty ball joints leading to steering instability or uneven tire wear
• Corroded or weakened control arms compromising suspension integrity
• Vibration and harshness due to deteriorated suspension components
• Alignment problems resulting from bent or damaged control arms

Installation Notes and Tips

Installation of the Dorman 522-904 assembly requires basic suspension knowledge and tools. Since the ball joint is pre-installed and pre-greased, no additional lubrication is necessary. Ensure the mounting hole diameter of 12.3 mm matches your vehicle’s specifications. Verify torque specifications for the threaded ball joint stud (14 mm thread diameter) to secure proper fitment. Alignment check after installation is recommended to maintain optimal handling and tire wear.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards for fit, form, and function. The 522-904 control arm and ball joint assembly undergoes rigorous quality control to ensure durability and performance. While specific warranty details are not provided, Dorman products typically include limited warranties covering defects in materials and workmanship.