Moog RK620982 Suspension Control Arm and Ball Joint Assembly - Front Right Upper

Overview of Moog RK620982 Suspension Control Arm Assembly

The Moog RK620982 suspension control arm and ball joint assembly is engineered for select Mercedes-Benz models, including GL320, GL350, GL450, GL550, ML320, ML350, ML450, ML500, and ML550. Designed with durability and precision in mind, this assembly ensures reliable suspension performance and vehicle stability.

• Pre-greased for immediate installation and smooth operation
• Includes rubber bushings and mounting hardware for a complete replacement
• Forged aluminum control arm construction for strength and reduced weight
• Press-in ball joint with threaded stud for secure fitment
• Compatible with multiple Mercedes-Benz GL and ML series models
• Control arm length of 11.410 inches with gray finish

Detailed Product Features and Specifications

The Moog RK620982 control arm assembly features a forged aluminum control arm that balances strength and weight savings, contributing to improved suspension response. The assembly comes pre-greased, eliminating the need for additional lubrication during installation. Rubber bushings are included to absorb vibrations and reduce noise, enhancing ride comfort. The ball joint is press-in mounted with a threaded stud type, ensuring a secure and precise connection to the vehicle’s suspension system. Mounting hardware is provided, allowing for a straightforward replacement process. The control arm’s gray color and 11.410-inch maximum length are designed to match original equipment specifications for the listed Mercedes-Benz models.

Compatible Mercedes-Benz Models and Applications

This suspension control arm and ball joint assembly is compatible with the following Mercedes-Benz vehicles:

• GL320, GL350, GL450, GL550
• ML320, ML350, ML450, ML500, ML550

It is intended for use in suspension repairs where the control arm or ball joint shows signs of wear or damage, restoring proper alignment and handling characteristics.

Common Suspension Issues Addressed

• Excessive play or looseness in the suspension control arm
• Worn or damaged ball joints causing steering instability
• Noise or vibration due to deteriorated bushings
• Uneven tire wear related to suspension misalignment
• Reduced vehicle handling and ride quality

Installation Notes and Tips

Installation of the Moog RK620982 assembly requires basic suspension repair tools and mechanical knowledge. Since the part comes pre-greased and includes bushings and mounting hardware, additional components are generally not needed. It is recommended to verify vehicle compatibility before installation and to perform a wheel alignment after replacement to ensure optimal suspension performance.

Quality Assurance and Warranty

Moog suspension components are manufactured to meet or exceed OEM standards. The RK620982 control arm assembly undergoes rigorous quality testing to ensure durability and fitment accuracy. While specific warranty details may vary, Moog typically offers a limited warranty covering defects in materials and workmanship, providing confidence in the product’s reliability.