Moog RK621356 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

Reliable Suspension Control Arm and Ball Joint Assembly

The Moog RK621356 suspension control arm and ball joint assembly is engineered for durability and precise fitment. Designed specifically for Chevrolet, GMC, and Hummer trucks and SUVs, this assembly ensures stable handling and improved suspension performance.

• Pre-greased for immediate use and reduced maintenance
• Includes grease fitting for easy lubrication
• Comes with rubber bushings to absorb road vibrations
• Forged steel control arm for enhanced strength and longevity
• Press-in ball joint with threaded stud for secure mounting
• Mounting hardware included for straightforward installation
• Control arm finished in black for corrosion resistance
• Maximum control arm length of 20.490 inches

Durable Construction and Precise Fitment

The Moog RK621356 control arm and ball joint assembly is built with forged steel, providing a robust foundation for your vehicle's suspension system. The included rubber bushings help reduce noise and vibration, contributing to a smoother ride. The ball joint features a press-in mounting type with a threaded stud, ensuring a secure and reliable connection. This assembly is pre-greased and includes a grease fitting, allowing for easy maintenance and extended service life. Designed to fit a range of Chevrolet, GMC, and Hummer models, including the Silverado 1500 HD, Sierra 2500 HD, Avalanche 2500, H2, and Yukon XL 2500, this part meets exact OEM specifications.

Compatible Vehicles and Applications

This suspension control arm and ball joint assembly is compatible with the following makes and models:

• Chevrolet Avalanche 2500
• Chevrolet Silverado 1500 HD, 2500, 3500 (including Classic and HD variants)
• GMC Sierra 1500 HD, 2500, 3500 (including Classic and HD variants)
• GMC Sierra 2500 HD Classic
• GMC Sierra 3500 Classic and HD
• GMC Yukon XL 2500
• Hummer H2
• Chevrolet Suburban 2500

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing poor handling
• Loose or failing ball joints leading to steering instability
• Excessive suspension noise or vibration
• Uneven tire wear due to suspension misalignment
• Corroded or weakened control arm compromising safety

Installation Notes and Tips

Installation of the Moog RK621356 assembly requires basic suspension tools and mechanical knowledge. The assembly comes pre-greased and includes all necessary mounting hardware, simplifying the replacement process. Ensure the vehicle is securely lifted and supported before beginning work. After installation, it is recommended to perform a wheel alignment to maintain proper suspension geometry and tire wear.

Quality Assurance and Warranty

Moog suspension components are manufactured to meet or exceed OEM standards. The RK621356 control arm and ball joint assembly undergoes rigorous testing to ensure durability and performance. This product includes a limited warranty against defects in materials and workmanship, providing confidence in your purchase.