Moog RK640409 Suspension Control Arm - Front Right Lower

OE Replacement Control Arm for Lexus Front Right Lower

Moog RK640409 is a front right lower suspension control arm built for Lexus applications that need a direct OE-style replacement. It uses forged steel construction, rubber bushings, and a painted black finish to support structural strength and corrosion resistance in daily driving conditions.

• Forged steel construction for added structural strength
• Painted black finish for corrosion protection
• Rubber bushings included for suspension isolation
• Arm only design for OE replacement service
• Compatible with front right lower suspension locations

Fitment Details

• Fits 2002-2010 Lexus SC430, front right lower; arm only; premium OE replacement
• Fits 1998-2005 Lexus GS300, front right lower; arm only; premium OE replacement
• Fits 2001-2005 Lexus GS430, front right lower; arm only; premium OE replacement
• Fits 1998-2000 Lexus GS400, front right lower; arm only; premium OE replacement

Built for Suspension Service

This Moog suspension control arm is engineered for foreign and domestic nameplates with a focus on structural strength and corrosion protection. The forged steel body helps maintain suspension geometry, while the included rubber bushings support controlled movement at the front right lower mounting point. This part number RK640409 is a direct replacement choice for Lexus GS300, Lexus GS430, Lexus GS400, and Lexus SC430 front suspension repair work.

This part cross-references Dorman OE Solutions 520-462 for the same application.

Common Problems It Can Address

• Excessive front suspension play
• Clunking or knocking from the front right lower control arm area
• Uneven tire wear related to worn suspension geometry
• Steering pull caused by worn arm bushings
• Loss of ride stability from a fatigued lower control arm

Installation Notes and Tips

RK640409 is supplied as the arm only, so inspect related suspension components before installation. Because mounting hardware is not included, reuse or replace fasteners as required by the vehicle service procedure. A professional alignment is recommended after installation to verify front suspension geometry.

Quality Assurance

Moog premium control arms are engineered for structural strength and corrosion protection, making RK640409 a practical OE replacement for front suspension repair on Lexus GS and SC430 models.