Moog RK620291 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

Moog Suspension Control Arm and Ball Joint Assembly Overview

The Moog RK620291 suspension control arm and ball joint assembly is engineered for reliable performance in select Buick, Cadillac, Oldsmobile, and Pontiac vehicles. Designed to restore proper suspension geometry, this assembly is pre-greased and includes all necessary components for a straightforward installation.

• Pre-greased for immediate use
• Includes grease fitting for easy maintenance
• Comes with rubber bushings and mounting hardware
• Forged aluminum control arm for strength and durability
• Bolt-in ball joint with threaded stud for secure fit
• Compatible with Buick Aurora, Cadillac DeVille, Seville, Oldsmobile Aurora, Pontiac Bonneville, LeSabre, Park Avenue, and Riviera

Detailed Product Features and Specifications

The RK620291 control arm assembly features a forged aluminum control arm finished in gray, providing a balance of lightweight strength and corrosion resistance. The assembly includes rubber bushings that help absorb road vibrations and reduce noise. The ball joint is bolt-in type with a threaded stud, ensuring a secure and precise fit. This assembly is pre-greased and includes a grease fitting, allowing for ongoing lubrication and extended service life. Mounting hardware is included to facilitate a complete replacement without the need for additional parts. The control arm measures up to 17.710 inches in length, designed to meet exact OEM specifications for proper suspension alignment.

Compatible Vehicles and Applications

This Moog suspension control arm and ball joint assembly is compatible with a range of GM vehicles, including Buick Aurora, Cadillac DeVille, Seville, Oldsmobile Aurora, Pontiac Bonneville, LeSabre, Park Avenue, and Riviera models. It is intended for use in suspension systems requiring a direct replacement of the control arm and ball joint assembly to maintain vehicle handling and safety.

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 and tire life
• Corroded or weakened control arm compromising suspension integrity

Installation Notes and Tips

Installation of the Moog RK620291 assembly requires basic suspension tools and mechanical knowledge. The assembly comes pre-greased and includes a grease fitting for future maintenance. Ensure all mounting hardware is torqued to manufacturer specifications. It is recommended to have a professional alignment performed after installation to maintain proper suspension geometry and tire wear.

Quality Assurance and Warranty

Moog suspension components are manufactured to meet or exceed OEM standards. The RK620291 assembly undergoes rigorous testing to ensure durability and performance. This product includes a limited warranty against defects in materials and workmanship, providing confidence in its long-term reliability.