Moog RK643097 Suspension Control Arm - Rear Left Upper

Moog RK643097 Rear Left Upper Control Arm

Moog RK643097 is a forged steel suspension control arm built for the rear left upper position. It includes bushings and uses rubber bushing material for a direct replacement on select Lexus GX470 and Toyota 4Runner applications.

Key Features

• Forged steel construction for structural strength
• Black corrosion-resistant finish
• Includes bushings
• Rubber bushing material for OE-style ride isolation
• Non-adjustable design for direct-fit replacement
• Rear left upper suspension control arm

Application Details

Fits 2005-2009 Lexus GX470, rear left upper. Fits 2003-2009 Toyota 4Runner, rear left upper, with air suspension. This part number, RK643097, is built for the rear suspension geometry used in these applications and is a direct replacement choice for service work on the Lexus GX470 and Toyota 4Runner.

This part cross-references Mevotech Supreme CMS861142 for the same application.

What It Helps Address

• Rear suspension looseness or play at the upper control arm
• Clunking or knocking from worn bushings
• Uneven rear tire wear caused by suspension movement
• Alignment instability after control arm wear
• Corrosion-related replacement needs on the rear suspension

Installation Notes

Verify rear left upper fitment before installation. This control arm does not include a ball joint and is not adjustable. Inspect surrounding suspension components, fasteners, and alignment settings during service to confirm proper rear suspension operation on the Toyota 4Runner or Lexus GX470.

Quality Assurance

Moog premium control arms are engineered for structural strength and corrosion protection for foreign and domestic nameplates. RK643097 follows that construction approach with forged steel and rubber bushings for dependable suspension service.