Moog RK621234 Suspension Control Arm and Ball Joint Assembly - Front Right Upper

Moog Suspension Control Arm and Ball Joint Assembly Overview

The Moog RK621234 suspension control arm and ball joint assembly is designed for reliable performance on Chevrolet and GMC trucks and vans. This pre-greased, bolt-in assembly offers a durable solution for restoring suspension function on select Chevrolet C1500 Suburban, C2500, C2500 Suburban, C3500, Express 2500, Express 3500, Savana 2500, and Savana 3500 models.

• Pre-greased for immediate use
• Includes grease fitting for easy maintenance
• Comes with rubber bushings and mounting hardware
• Forged steel control arm for strength and durability
• Bolt-in ball joint with threaded stud for secure fitment
• Control arm finished in black for corrosion resistance
• Maximum control arm length of 15.030 inches

Durable Construction and Design Features

The Moog RK621234 control arm and ball joint assembly is constructed from forged steel, providing enhanced strength and resistance to wear. The assembly includes rubber bushings that help absorb road vibrations and reduce noise, contributing to a smoother ride. The ball joint features a bolt-in mounting type with a threaded stud, ensuring a secure and precise fit. This assembly comes pre-greased and includes a grease fitting, allowing for straightforward lubrication and extended service life. The black finish on the control arm offers additional protection against corrosion and environmental damage.

Compatible Vehicles and Applications

This suspension control arm and ball joint assembly is compatible with a range of Chevrolet and GMC vehicles, including:

• Chevrolet C1500 Suburban
• Chevrolet C2500 and C2500 Suburban
• Chevrolet C3500
• GMC Express 2500 and Express 3500
• GMC Savana 2500 and Savana 3500

Part number RK621234 is specifically designed to meet the suspension requirements of these models, ensuring proper fit and function.

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing steering instability
• Loose or failing ball joints leading to uneven tire wear
• Excessive suspension noise or vibration
• Misalignment affecting vehicle handling
• Corrosion or structural damage to original control arm components

Installation Notes and Tips

Installation of the Moog RK621234 assembly requires basic suspension knowledge and tools. The bolt-in ball joint design simplifies replacement without the need for press tools. Since the assembly is pre-greased and includes a grease fitting, it is recommended to lubricate the ball joint after installation and during regular maintenance intervals. Ensure all mounting hardware is torqued to manufacturer specifications for safety and performance.

Quality Assurance and Warranty

Moog suspension components are engineered to meet or exceed OEM standards. The RK621234 assembly undergoes rigorous testing to ensure durability and reliability under normal operating conditions. This product includes a limited warranty against defects in materials and workmanship, providing confidence in its long-term performance.