Moog RK620040 Suspension Control Arm and Ball Joint Assembly - Front Right Lower

Overview of Moog RK620040 Suspension Control Arm Assembly

The Moog RK620040 suspension control arm and ball joint assembly is engineered for reliable performance on Mazda 3, Mazda 3 Sport, and Mazda 5 models. This pre-greased, stamped steel control arm is designed to restore precise steering and suspension function.

• Pre-greased for immediate installation
• Includes rubber bushings and mounting hardware
• Stamped steel control arm with black finish
• Press-in ball joint with pinch-type stud
• Compatible with Mazda 3, 3 Sport, and 5 models

Detailed Product Description

The Moog RK620040 control arm assembly features a durable stamped steel construction finished in black to resist corrosion. It comes pre-greased, eliminating the need for additional lubrication during installation. The assembly includes rubber bushings that help absorb road vibrations and reduce noise, contributing to a smoother ride. The ball joint is press-in mounted with a pinch-type stud, ensuring a secure fit and reliable steering response. Mounting hardware is included for a complete replacement solution. This control arm is designed with a maximum length of 14.140 inches, matching factory specifications for proper suspension geometry.

Compatible Vehicles and Applications

This suspension control arm assembly is compatible with the following Mazda vehicles:

• Mazda 3 (various model years)
• Mazda 3 Sport
• Mazda 5

It is ideal for restoring suspension performance and handling characteristics on these models.

Common Issues Addressed by Moog RK620040

• 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 alignment
• Excessive vibration or poor ride quality
• Failed suspension components impacting vehicle safety

Installation Notes and Tips

• Pre-greased ball joint reduces installation time and maintenance
• Use included mounting hardware for proper fitment
• Ensure suspension is properly supported before removal
• Check alignment after installation to maintain handling performance
• Do not attempt to reuse old bushings or ball joints

Quality Assurance and Warranty

Moog suspension components are manufactured to meet or exceed OEM standards. The RK620040 control arm assembly undergoes rigorous testing to ensure durability and performance. While specific warranty details may vary, Moog typically offers a limited warranty covering defects in materials and workmanship. Refer to Moog's official documentation for exact warranty terms.