Moog RK643390 Suspension Control Arm - Rear Left

Moog RK643390 Rear Left Control Arm

Moog RK643390 is a premium suspension control arm for the rear left position on select Ford Focus models. Built for foreign and domestic nameplates, it focuses on structural strength and corrosion protection for a direct-fit suspension repair.

Key Features

• Premium-grade suspension control arm for rear left installation
• Engineered for structural strength in everyday driving conditions
• Corrosion-resistant construction for long-term service
• Meets OEM standards on listed Ford Focus applications
• Cross-references Delphi TC7721 and Dorman OE Solutions 526-035 for the same application

Detailed Description

This Moog control arm, part number RK643390, is built for 2013-2018 Ford Focus rear left suspension service. It is a premium replacement option for restoring rear suspension geometry and maintaining proper wheel location on the Ford Focus. The design reflects Moog’s focus on strength and corrosion protection, making it a practical choice for drivers addressing worn or damaged rear suspension components. RK643390 is also a fitment-based replacement for the same rear left application on the Ford Focus across the listed model years.

What It Helps Fix

• Rear suspension looseness or instability
• Clunking or knocking from the rear suspension area
• Uneven tire wear related to worn suspension geometry
• Excessive play from a damaged control arm assembly
• OEM-standard replacement needs on Ford Focus rear left applications

Installation Notes and Tips

Fits 2013-2018 Ford Focus, rear left. Verify the rear left suspension configuration and compare the original part number before installation. After replacement, a professional wheel alignment is recommended to confirm suspension geometry and tire wear settings. Use the vehicle’s service procedures for final torque specifications and inspection steps.

Quality Assurance

Moog premium control arms are engineered for structural strength and corrosion protection, with OEM-standard fitment noted for the listed Ford Focus application. Part number RK643390 is built as a premium suspension replacement for consistent service in the rear left position.