Moog RK643379 Suspension Control Arm Link - Rear Arm To Knuckle

Moog RK643379 Rear Control Arm Link

Moog RK643379 is a premium suspension control arm link for rear arm-to-knuckle applications on select Ford Fusion and Lincoln MKZ models. Built for structural strength and corrosion protection, it is a direct-fit OE replacement for restoring rear suspension geometry and handling response.

Key Features

• Premium-grade suspension control arm link for rear arm-to-knuckle placement
• Engineered for structural strength and corrosion resistance
• OE replacement design for select Ford Fusion and Lincoln MKZ applications
• Meets OEM standards on listed 2015-2019 Ford Fusion and Lincoln MKZ fitments
• Cross-references Delphi TC3642 and Dorman OE Solutions 528-208 for the same application

Detailed Description

Moog RK643379 is a premium suspension control arm link made for rear arm-to-knuckle service on the Ford Fusion and Lincoln MKZ. It is listed for 2014-2020 Ford Fusion and 2014-2020 Lincoln MKZ applications, with fitment notes that include premium OE replacement coverage and OEM-standard control arm and ball joint assembly requirements on select model years. This part number, RK643379, is built to match the demands of rear suspension service where accurate alignment and stable wheel control matter.

Compatible With 2020 Ford Fusion, rear arm to knuckle; 2017-2019 Ford Fusion, rear arm to knuckle; 2016 Ford Fusion, rear arm to knuckle; 2015 Ford Fusion, rear arm to knuckle; 2014 Ford Fusion, rear arm to knuckle. Compatible With 2020 Lincoln MKZ, rear arm to knuckle; 2017-2019 Lincoln MKZ, rear arm to knuckle; 2016 Lincoln MKZ, rear arm to knuckle; 2015 Lincoln MKZ, rear arm to knuckle; 2014 Lincoln MKZ, rear arm to knuckle.

What It Helps Address

• Rear suspension looseness or clunking from worn control arm link components
• Uneven rear tire wear caused by suspension geometry issues
• Steering or handling instability related to rear arm-to-knuckle wear
• Alignment problems after suspension component deterioration
• Corrosion-related replacement needs on aging Ford Fusion and Lincoln MKZ suspension parts

Installation Notes and Tips

Install in the rear arm-to-knuckle position only on the listed Ford Fusion and Lincoln MKZ applications. Verify model year breakpoints for 2016 and 2014 vehicles, since fitment notes vary by build date. Confirm the existing suspension layout and compare the original part number RK643379 before installation.

Quality Assurance

Moog premium control arms for foreign and domestic nameplates are engineered for structural strength and corrosion protection. This part is a premium-grade OE replacement suspension component for the specified applications.