Moog RK643338 Suspension Control Arm - Rear Right Upper

Moog RK643338 Rear Right Upper Control Arm

Moog RK643338 is a premium suspension control arm for the rear right upper position on select Ford and Lincoln vehicles. It is engineered for structural strength and corrosion protection, making it a direct replacement choice for restoring rear suspension geometry and handling response.

Key Features

• Premium-grade suspension control arm for rear right upper applications
• Engineered for structural strength and corrosion resistance
• Meets OEM standards for the listed Ford Explorer, Ford Flex, Ford Taurus, Lincoln MKT, and Lincoln MKS applications
• Direct-fit replacement for common OE-style suspension service
• Part number RK643338 for accurate ordering and fitment lookup

Detailed Description

Moog RK643338 is a rear right upper suspension control arm and ball joint assembly built for select 2009-2019 Ford and Lincoln platforms. It fits 2013-2019 Ford Explorer, rear right upper; 2009-2019 Ford Flex, rear right upper; 2010-2019 Ford Taurus, rear right upper; 2010-2019 Lincoln MKT, rear right upper; and 2009-2016 Lincoln MKS, rear right upper. This premium control arm is a practical OE-style replacement when the original rear suspension arm shows wear, looseness, or alignment-related issues. The RK643338 part number is also useful when cross-checking service records or matching an existing suspension component.

This part cross-references Delphi TC6120 and Dorman OE Solutions 527-500 for the same application.

What It Is Used For

• Rear suspension looseness or clunking from worn control arm joints
• Uneven tire wear caused by rear alignment changes
• Handling instability from worn rear upper suspension components
• Restoring factory-style rear suspension geometry on Ford Explorer, Ford Flex, and Ford Taurus models
• Replacing a damaged rear right upper control arm on Lincoln MKT and Lincoln MKS vehicles

Installation Notes and Tips

Verify the vehicle year, make, model, and rear right upper position before ordering. This assembly is listed for the rear right upper location only, so confirm the existing suspension layout against the fitment data. After installation, a professional wheel alignment is recommended to verify rear suspension settings and tire wear patterns.

Quality Assurance

Moog premium control arms are engineered for structural strength and corrosion protection. The manufacturer description also notes that this assembly meets OEM standards for the listed applications, supporting a direct replacement approach for service on Ford and Lincoln rear suspension systems.