Moog RK643140 Suspension Trailing Arm - Rear Left

Rear Left Suspension Trailing Arm for Ford Edge and Lincoln MKX

Moog RK643140 is a premium suspension trailing arm built for the rear left position on select Ford and Lincoln applications. It is engineered for structural strength and corrosion protection, making it a direct-fit replacement for worn rear suspension components.

Key Features

• Premium-grade suspension trailing arm for rear left installation
• Engineered for structural strength to support rear suspension geometry
• Corrosion-protection focus for long-term durability
• Meets OEM standards on listed Ford Edge and Lincoln MKX applications
• Moog RK643140 cross-references OE-style replacement numbers for the same application

Detailed Description

Moog RK643140 is a premium suspension trailing arm for the rear left side of the 2011-2015 Ford Edge and 2011-2015 Lincoln MKX. This component is built to restore rear suspension alignment and control in vehicles where the original arm has worn, bent, or developed excess play. The part number RK643140 is commonly searched by owners looking for a rear left suspension control arm and ball joint assembly that meets OEM standards on Ford Edge and Lincoln MKX models.

This part cross-references Dorman OE Solutions 524-177 and Mevotech Supreme CMS401140 for the same application.

Common Problems This Part Can Address

• Rear suspension looseness or clunking from a worn trailing arm
• Uneven rear tire wear caused by suspension geometry changes
• Rear-end instability during braking or cornering
• Excess movement in the rear left suspension assembly
• Failed OE arm requiring a direct replacement on Ford Edge or Lincoln MKX

Installation Notes and Tips

Fits 2011-2015 Ford Edge, rear left. Fits 2011-2015 Lincoln MKX, rear left. Confirm the rear left position and compare the original arm before installation. After replacement, a professional wheel alignment is recommended to verify rear suspension geometry.

Quality Assurance

Moog premium control arms are engineered for structural strength and corrosion protection. RK643140 is built to meet OEM standards on the listed applications and is backed by Moog’s product quality standards.