Moog RK643550 Suspension Control Arm - Rear Lower Rearward

Moog RK643550 Rear Lower Rearward Control Arm

The Moog RK643550 is a premium suspension control arm built for foreign and domestic nameplates where structural strength and corrosion protection matter. It is a direct-fit rear lower rearward control arm for select Nissan Armada, Nissan Pathfinder, and INFINITI QX56 applications.

Key Features

• Premium-grade suspension control arm for rear suspension service
• Engineered for structural strength to support stable rear suspension geometry
• Corrosion protection helps the part stand up to harsh road conditions
• Direct replacement for the rear lower rearward position
• Fits 2006-2015 Nissan Armada, rear lower rearward
• Fits 2005-2012 Nissan Pathfinder, rear lower rearward
• Fits 2007-2010 INFINITI QX56, rear lower rearward

Detailed Description

Moog RK643550 is a premium suspension control arm for the rear lower rearward position, built for Nissan Armada, Nissan Pathfinder, and INFINITI QX56 fitments. The design focuses on structural integrity and corrosion resistance, making it a practical OE-style replacement for worn rear suspension components. This part number, RK643550, is commonly searched for rear suspension repair on 2006-2015 Nissan Armada, 2005-2012 Nissan Pathfinder, and 2007-2010 INFINITI QX56 models.

This part cross-references Delphi TC7314 for the same application.

What It Is Used For

• Restoring rear suspension alignment after control arm wear
• Replacing a bent or corroded rear lower rearward arm
• Addressing clunking or looseness from worn suspension joints or bushings
• Correcting uneven rear tire wear linked to suspension geometry issues
• Supporting stable handling on Nissan Armada, Nissan Pathfinder, and INFINITI QX56 vehicles

Installation Notes and Tips

Verify the rear lower rearward position before installation and confirm year, make, and model match the vehicle listing. After replacement, a professional wheel alignment is recommended to restore proper suspension geometry. Compare the original arm to the new RK643550 before installation to confirm fitment details.

Quality Assurance

Moog premium control arms are engineered for structural strength and corrosion protection, with a premium grade type for dependable suspension service.