Moog RK643604 Suspension Control Arm - Rear Upper

Moog RK643604 Rear Upper Control Arm

Moog RK643604 is a premium suspension control arm for the rear upper position on select Mazda 6 models. It is engineered for structural strength and corrosion protection, making it a direct replacement choice for drivers servicing rear suspension wear on 2014-2021 Mazda 6 applications.

Key Features

• Premium-grade suspension control arm for rear upper fitment
• Built for structural strength in everyday road use
• Corrosion protection helps support long-term durability
• OE-style replacement for foreign and domestic nameplates
• Cross-references Delphi TC3837 and Dorman OE Solutions 520-061 for the same application

Product Details

This Moog suspension control arm is part number RK643604 and is intended for the rear upper suspension position on 2014-2021 Mazda 6 vehicles. As a premium replacement component, it addresses the demands of rear suspension service where precise geometry and durable construction matter. If you are searching for a rear upper control arm for Mazda 6, RK643604 provides a fitment-specific solution backed by Moog’s focus on strength and corrosion resistance.

Common Repair Uses

• Rear suspension noise from worn control arm bushings or joints
• Uneven tire wear related to rear alignment issues
• Excessive rear-end looseness or instability over bumps
• Restoring proper rear suspension geometry after wear
• Replacing a damaged rear upper control arm on Mazda 6 models

Installation Notes and Tips

Fits 2014-2021 Mazda 6, rear upper. Verify the vehicle’s rear suspension configuration and compare the original part number before installation. After replacement, a professional wheel alignment is recommended to confirm suspension geometry and tire tracking. Part number RK643604 should be matched to the confirmed application before service begins.

Quality Assurance

Moog positions this control arm as a premium replacement component with structural-strength and corrosion-protection engineering for foreign and domestic applications. Part number RK643604 is built to meet the needs of routine suspension repair on Mazda 6 rear upper applications.