Moog RK621373 Suspension Control Arm and Ball Joint Assembly - Front Left Lower Rearward

Moog Suspension Control Arm and Ball Joint Assembly Overview

The Moog RK621373 suspension control arm and ball joint assembly is engineered for reliable performance on Infiniti 350Z and Nissan G35 models. Designed with durability and precision in mind, this pre-greased control arm assembly helps maintain proper suspension geometry and vehicle handling.

• Pre-greased for immediate use and reduced maintenance
• Includes rubber bushings for vibration dampening
• Forged aluminum control arm for strength and lightweight performance
• Press-in ball joint with threaded stud for secure mounting
• Gray finish control arm with a maximum length of 15.780 inches
• Mounting hardware included for straightforward installation

Detailed Product Description

The Moog RK621373 suspension control arm and ball joint assembly is specifically designed for the Infiniti 350Z and Nissan G35, ensuring compatibility and optimal fitment. Constructed from forged aluminum, the control arm offers a balance of strength and reduced weight, contributing to improved suspension response and vehicle handling. The assembly comes pre-greased, eliminating the need for initial lubrication and helping to extend the service life of the ball joint and bushings.

Rubber bushings are included to absorb road vibrations and reduce noise, enhancing ride comfort. The ball joint features a press-in mounting type with a threaded stud, providing a secure and reliable connection to the suspension system. Finished in gray, the control arm measures up to 15.780 inches in length, matching OEM specifications for proper suspension geometry. Mounting hardware is included to facilitate installation.

Common Applications and Problem Solving

• Replacement for worn or damaged suspension control arms on Infiniti 350Z and Nissan G35
• Addresses issues with loose or noisy ball joints affecting steering precision
• Restores proper suspension alignment and handling characteristics
• Reduces vibration and harshness caused by deteriorated bushings
• Helps prevent premature tire wear due to suspension component failure

Installation Notes and Tips

Installation of the Moog RK621373 control arm assembly requires basic suspension knowledge and tools. Since the part comes pre-greased and includes bushings and mounting hardware, preparation time is minimized. Ensure the vehicle is securely lifted and supported before removing the old control arm. Verify torque specifications for all fasteners according to the vehicle manufacturer’s guidelines. Alignment should be checked and adjusted after installation to maintain proper handling and tire wear.

Quality Assurance and Warranty

Moog suspension components are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The RK621373 control arm assembly undergoes rigorous quality control to ensure fitment and function. While specific warranty details are not provided here, Moog typically offers limited warranties on their suspension parts. Consult product documentation or Moog directly for warranty information related to this part.