Moog RK641384 Suspension Control Arm - Rear Right Upper

Rear Right Upper Control Arm for Hyundai and Kia

Restore rear suspension geometry with this Moog suspension control arm, part number RK641384. It is built for the rear right upper position and is engineered with stamped steel construction, rubber bushings, and a painted black finish for corrosion resistance.

Compatible with select Hyundai Sonata, Hyundai XG300, Hyundai XG350, Kia Magentis, and Kia Optima applications, RK641384 is a direct-fit OE replacement for vehicles that need a precise rear suspension control arm solution.

Key Features

• Stamped steel construction for structural strength
• Black painted finish for added corrosion protection
• Rubber bushings included for suspension isolation
• Rear right upper position
• Not pre-greased and no grease fitting included
• No ball joint included
• No mounting hardware included
• Non-adjustable design

Detailed Product Overview

Moog RK641384 is a premium suspension control arm engineered for foreign and domestic nameplates with an emphasis on strength and corrosion protection. This rear right upper control arm uses stamped steel and rubber bushings to help maintain suspension alignment and ride control in the rear suspension assembly. It is a practical OE-style replacement for Hyundai Sonata, Kia Optima, and related applications where the original arm has worn bushings, corrosion, or mounting wear.

This part cross-references Beck/Arnley 102-6657 and Mevotech Supreme CMS90171 for the same application. The RK641384 part number is also commonly searched alongside OE-style replacement references for Hyundai Sonata and Kia Optima rear suspension repair.

Common Problems This Part Can Address

• Rear suspension clunking from worn bushings
• Excessive rear wheel movement caused by control arm wear
• Alignment issues related to a damaged rear upper arm
• Corrosion or fatigue in the original stamped arm
• Uneven rear tire wear tied to suspension looseness

Installation Notes and Tips

Install RK641384 at the rear right upper position only. Because mounting hardware is not included, inspect existing fasteners before installation and replace any worn or corroded hardware as needed. A professional alignment is recommended after suspension work to verify rear geometry on Hyundai Sonata, Kia Magentis, Kia Optima, Hyundai XG300, and Hyundai XG350 applications.

Quality Assurance

Moog premium control arms are engineered for structural strength and corrosion protection, making RK641384 a dependable OE-replacement choice for rear suspension service. Confirm vehicle year, make, model, and rear right upper fitment before ordering.