Moog RK643557 Suspension Control Arm - Rear Left Lower Rearward

Moog RK643557 Rear Left Lower Control Arm

Moog RK643557 is a premium suspension control arm for the rear left lower rearward position on select Mazda CX-5 models. It is engineered for structural strength and corrosion protection, making it a direct-fit replacement for worn rear suspension components on 2013-2023 Mazda CX-5 applications.

Key Features

• Premium-grade suspension control arm for rear left lower rearward placement
• Built for structural strength to support rear suspension geometry
• Corrosion-protection focus for long-term service in demanding conditions
• Fits 2013-2023 Mazda CX-5, rear left lower rearward
• Part number RK643557 for accurate ordering and catalog matching

Detailed Description

Moog RK643557 is a premium suspension control arm for the rear left lower rearward position on the Mazda CX-5. This component is part of the rear suspension and helps maintain proper alignment and suspension movement when the original arm is worn, bent, or affected by corrosion. The Moog premium construction emphasizes structural strength and corrosion protection for foreign and domestic nameplates, making it a practical OE-style replacement for 2013-2023 Mazda CX-5 rear suspension service. This part cross-references Delphi TC8073 for the same application.

Common Repair Symptoms

• Rear suspension noise over bumps or uneven roads
• Excessive play or looseness in the rear suspension
• Uneven tire wear related to rear alignment issues
• Vehicle pulling or unstable rear-end feel during driving
• Visible corrosion, bending, or wear on the original control arm

Installation Notes and Tips

Fits 2013-2023 Mazda CX-5, rear left lower rearward. Confirm the rear left lower rearward position before installation and compare the original arm to the replacement part number RK643557. After installation, a rear wheel alignment is recommended to verify suspension geometry and tire wear settings. Always inspect related bushings, fasteners, and adjoining suspension components during service.

Quality Assurance

Moog positions this control arm as a premium replacement part with an emphasis on structural integrity and corrosion protection. The part is engineered for consistent fitment on the listed Mazda CX-5 applications and is supported by Moog’s reputation in chassis and suspension replacement components.