Moog RK643726 Suspension Control Arm - Rear Lower Rearward

Moog RK643726 Rear Lower Rearward Control Arm

The Moog RK643726 is a premium suspension control arm built for structural strength and corrosion protection. It is a direct-fit replacement for the rear lower rearward position on select Ford Focus models, including 2012-2018 Ford Focus applications.

Key Features

• Premium-grade suspension control arm for rear suspension service
• Engineered for structural strength in demanding road conditions
• Corrosion-protected construction for long-term durability
• Direct replacement for the rear lower rearward position
• Fits 2012-2018 Ford Focus, rear lower rearward

Detailed Description

Moog RK643726 is a premium control arm for foreign and domestic nameplates, built to restore rear suspension geometry and support stable handling. This part is a fitment-specific replacement for 2012-2018 Ford Focus models in the rear lower rearward position, making it a practical choice when servicing worn suspension components on a Ford Focus. The RK643726 part number is also referenced in OE-style replacement searches for this application.

This part cross-references Dorman - OE Solutions 522-641 for the same application.

What It Helps Address

• Rear suspension looseness or excess movement
• Clunking or knocking from the rear suspension area
• Uneven tire wear related to worn control arm bushings or joints
• Imprecise rear-end tracking during braking or cornering
• Restoring factory-style suspension alignment on a Ford Focus

Installation Notes and Tips

Verify the rear lower rearward position before ordering and match the vehicle year, make, and model to the listed fitment. After installation, a professional wheel alignment is recommended to confirm rear suspension geometry. Confirm all mounting points and surrounding suspension components are in serviceable condition before final assembly.

Quality Assurance

Moog positions this control arm as a premium replacement part with structural-strength engineering and corrosion protection for long-term service. The RK643726 is built for the 2012-2018 Ford Focus rear lower rearward application and is supported by Moog’s OE-focused suspension component design approach.