Moog RK620104 Suspension Control Arm and Ball Joint Assembly - Front Right Upper

Reliable Suspension Control Arm and Ball Joint Assembly

The Moog RK620104 suspension control arm and ball joint assembly is engineered for Hyundai and Kia vehicles, including the Magentis, Optima, Sonata, XG300, and XG350 models. Designed to restore precise steering and suspension performance, this pre-greased control arm assembly offers durable construction and essential components for a dependable fit.

• Pre-greased for immediate installation and reduced maintenance
• Includes rubber bushings and mounting hardware for a complete replacement
• Stamped steel control arm with a black finish for corrosion resistance
• Press-in ball joint with threaded stud for secure mounting
• Compatible with Hyundai Magentis, Optima, Sonata and Kia XG300, XG350

Durable Construction and Key Features

The Moog RK620104 control arm assembly features a stamped steel control arm designed to withstand road stresses while maintaining suspension geometry. The included rubber bushings help absorb vibrations and reduce noise, contributing to a smoother ride. The ball joint is press-in mounted with a threaded stud type, ensuring a secure and reliable connection to the steering knuckle. This assembly comes pre-greased, eliminating the need for additional lubrication during installation. Mounting hardware is included to simplify the replacement process.

Compatible Vehicles and Applications

This suspension control arm and ball joint assembly is compatible with several Hyundai and Kia models, specifically the Hyundai Magentis, Optima, Sonata, and Kia XG300 and XG350. The part number RK620104 ensures the correct fitment for these vehicles, making it a suitable replacement for worn or damaged suspension components.

Common Suspension Issues Addressed

• Excessive play or looseness in the front suspension
• Uneven tire wear due to misaligned control arms
• Clunking or knocking noises during driving over bumps
• Poor steering response or wandering
• Vibration or instability at higher speeds

Installation Notes and Tips

Before installation, verify compatibility with your specific Hyundai or Kia model using the part number RK620104. The assembly comes pre-greased and includes bushings and mounting hardware, but no grease fitting is provided. Use proper tools to press out the old ball joint and install the new assembly securely. Torque all mounting bolts to manufacturer specifications to ensure safety and performance.

Quality Assurance and Warranty

Moog suspension components are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The RK620104 control arm and ball joint assembly undergoes rigorous quality checks to ensure fit and function. Please refer to Moog's warranty policy for specific coverage details.