Moog RK640773 Suspension Control Arm - Front Lower

Moog RK640773 Front Lower Control Arm

Restore front suspension geometry with this Moog control arm for the 1999-2004 Jeep Grand Cherokee. Built from stamped steel with a painted black finish, RK640773 is made for structural strength and corrosion protection in a direct-fit front lower application.

Key Features

• Stamped steel construction for durable suspension support
• Black painted finish for added corrosion resistance
• Rubber bushings included for a service-ready assembly
• Direct replacement for the front lower position
• Moog engineered control arm for foreign and domestic nameplates
• Part number RK640773 for easy identification and ordering

Detailed Description

Moog RK640773 is a front lower suspension control arm for the Jeep Grand Cherokee, covering 1999-2004 model years. It is built from stamped steel and finished in black paint to help resist wear in demanding undercar conditions. The included rubber bushings support stable suspension movement and help maintain proper alignment characteristics in the front lower suspension. This part cross-references Dorman - OE Solutions 520-320 for the same application. If you are replacing a worn front lower control arm on a Jeep Grand Cherokee, RK640773 provides a direct replacement option with OE-style fitment focus.

Common Problems This Part Can Address

• Clunking or knocking from the front suspension
• Excessive play in the lower control arm bushings
• Uneven tire wear caused by worn suspension geometry
• Steering wander or reduced front-end stability
• Visible corrosion or fatigue in the original control arm

Installation Notes and Tips

Fits 1999-2004 Jeep Grand Cherokee, front lower. Verify suspension condition, alignment settings, and mounting points before installation. Mounting hardware is not included, and this assembly does not include a ball joint, so confirm the existing service parts or replacement plan before beginning the job. Because the part is not pre-greased and does not include a grease fitting, it is intended for standard replacement use rather than serviceable lubrication.

Quality Assurance

Moog manufactures premium control arms for foreign and domestic vehicles with an emphasis on structural strength and corrosion protection. RK640773 is built to meet the needs of the Jeep Grand Cherokee front lower suspension application and is identified by part number RK640773 for accurate fitment matching.