Moog RK623128 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

Moog Suspension Control Arm and Ball Joint Assembly Overview

The Moog RK623128 suspension control arm and ball joint assembly is designed for heavy-duty Chevrolet and GMC trucks. This premium-grade component is engineered to restore precise steering and suspension performance on Silverado 2500 HD, Silverado 3500 HD, Sierra 2500 HD, and Sierra 3500 HD models.

• Includes high-quality bushings for improved durability
• Comes with a pre-installed ball joint for simplified installation
• Premium grade materials ensure long-lasting performance
• Compatible with Chevrolet Silverado and GMC Sierra 2500 HD and 3500 HD models
• Part number RK623128 for accurate identification and fitment

Detailed Product Description

The Moog RK623128 suspension control arm and ball joint assembly combines essential suspension components into a single unit, including bushings and a ball joint. This assembly is built with premium-grade materials to withstand the demands of heavy-duty use on Chevrolet Silverado 2500 HD, Silverado 3500 HD, GMC Sierra 2500 HD, and Sierra 3500 HD trucks. The included bushings help reduce vibration and noise while maintaining proper alignment, and the integrated ball joint ensures smooth steering and suspension articulation. This assembly is designed to meet or exceed OEM specifications, providing a reliable replacement part that supports vehicle stability and handling.

Common Applications and Problem Resolution

• Restores proper suspension geometry and alignment
• Eliminates clunking or knocking noises from worn control arms
• Improves steering response and reduces play in the front end
• Addresses premature bushing wear and ball joint failure
• Supports safe handling under heavy load conditions

Installation Notes and Tips

Installation of the Moog RK623128 assembly requires basic suspension knowledge and tools. Since the bushings and ball joint are pre-installed, the assembly simplifies the replacement process. It is recommended to have a professional alignment performed after installation to ensure proper suspension geometry. Inspect related suspension components during installation for wear or damage to maintain overall system integrity.

Quality Assurance and Warranty

Moog suspension components are manufactured to meet stringent quality standards. The RK623128 assembly features premium-grade bushings and ball joints designed for durability and performance. While specific warranty details may vary, Moog typically offers a limited warranty against defects in materials and workmanship. Refer to Moog's official documentation for complete warranty information.