Moog RK641866 Suspension Control Arm - Rear Upper

Reliable Suspension Control Arm for Cadillac, Chevrolet, GMC, and Hummer

The Moog RK641866 suspension control arm is engineered to provide durable and consistent performance for select Cadillac, Chevrolet, GMC, and Hummer models. Designed with forged steel construction and rubber bushings, this control arm offers a solid foundation for your vehicle's suspension system.

• Constructed from forged steel for strength and durability
• Length of 17.320 inches for precise fitment
• Finished with black paint to resist corrosion
• Includes rubber bushings for effective vibration dampening
• Compatible with multiple GM full-size SUVs and trucks

Durable Construction and Design Features

This Moog suspension control arm (part number RK641866) is built from forged steel, ensuring structural integrity under demanding driving conditions. The black painted finish helps protect against rust and environmental wear. Rubber bushings are included to absorb road vibrations and reduce noise, contributing to a smoother ride. While this control arm does not come pre-greased and does not include a grease fitting or ball joint, it is designed for straightforward installation with existing hardware.

Compatible Vehicles and Applications

The RK641866 control arm is compatible with a range of GM vehicles, including Cadillac Escalade, Escalade ESV, Escalade EXT, Chevrolet Avalanche and Avalanche 1500, Suburban 1500, Tahoe, GMC Yukon, Yukon XL, Yukon XL 1500, and Hummer H2. This part is intended for use in suspension systems requiring a 17.320-inch length control arm with rubber bushings.

• Restores proper suspension geometry and alignment
• Reduces suspension noise and vibration
• Addresses worn or damaged control arms causing handling issues
• Improves vehicle stability and steering response
• Replaces corroded or bent suspension components

Installation Notes and Tips

Installation of the Moog RK641866 control arm requires basic suspension knowledge and tools. Since mounting hardware and ball joints are not included, reuse existing components if they are in good condition or purchase replacements separately. Ensure proper torque specifications are followed during installation. It is recommended to have a professional alignment performed after installation to maintain optimal handling and tire wear.

Quality Assurance and Warranty

Moog suspension components are manufactured to meet or exceed OEM standards. The RK641866 control arm undergoes rigorous quality checks to ensure durability and fitment accuracy. While specific warranty details may vary, Moog typically offers a limited warranty covering defects in materials and workmanship. Refer to Moog's official documentation for complete warranty information.