Moog RK643709 Suspension Control Arm - Rear Left Upper

Moog RK643709 Rear Left Upper Control Arm

Moog RK643709 is a premium rear left upper suspension control arm built for foreign and domestic nameplates. It is engineered for structural strength and corrosion protection, making it a direct replacement choice for rear suspension service on select Chevrolet Equinox, GMC Terrain, and Buick Envision applications.

Key Features

• Premium-grade suspension control arm for rear left upper placement
• Engineered for structural strength in demanding suspension use
• Corrosion protection helps support long-term durability
• Direct-fit replacement for select 2016-2024 GM crossover applications
• Cross-references GM 22979775 and Mevotech Supreme CMS501326 for the same application

Application Details

Compatible with 2018-2024 Chevrolet Equinox, rear left upper; 2023-2024 GMC Terrain, rear left upper; 2018-2020 GMC Terrain, rear left upper; and 2016-2020 Buick Envision, rear left upper. The Moog RK643709 is a practical service part for restoring rear suspension geometry and maintaining consistent handling on these vehicles.

Use this control arm when servicing a Chevrolet Equinox rear left upper control arm, a GMC Terrain rear left upper suspension arm, or a Buick Envision rear left upper control arm. The RK643709 part number is also useful when matching an OE-style replacement during suspension repair.

Common Issues It Can Address

• Excessive rear suspension play or looseness
• Clunking or knocking from the rear suspension area
• Uneven tire wear related to worn suspension geometry
• Handling instability caused by a fatigued control arm
• Corrosion-related replacement needs on the rear suspension

Installation Notes and Tips

Verify rear left upper fitment by year, make, and model before installation. After replacing the control arm, perform a professional wheel alignment to help restore suspension settings and tire wear characteristics. Confirm all mounting points and related suspension components are inspected during service.

Quality Assurance

Moog premium control arms are engineered for structural strength and corrosion protection, supporting dependable service in suspension repair. RK643709 is built as a premium replacement part for the listed applications.