Moog RK623831 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

Front Left Lower Control Arm for HD Trucks

Moog RK623831 is a premium suspension control arm and ball joint assembly for heavy-duty Chevrolet and GMC pickups. It is built for structural strength and corrosion protection, with the ball joint and bushings included for a complete front left lower suspension service.

Key Features

• Premium-grade control arm assembly for front left lower suspension service
• Ball joint included for direct replacement of the worn joint and arm assembly
• Bushings included for a complete service-ready component
• Engineered for structural strength and corrosion protection
• Direct fit for 2020-2024 Chevrolet Silverado 2500 HD and Silverado 3500 HD
• Direct fit for 2020-2024 GMC Sierra 2500 HD and Sierra 3500 HD

Detailed Description

Moog RK623831 is a front left lower suspension control arm assembly for 2020-2024 Chevrolet Silverado 2500 HD, 2020-2024 Chevrolet Silverado 3500 HD, 2020-2024 GMC Sierra 2500 HD, and 2020-2024 GMC Sierra 3500 HD. This part number is built as a premium replacement for the original suspension arm, with the ball joint and bushings already included to simplify front-end repair work. This part cross-references 84556721 and 84735903 for the same application.

For Silverado 2500 HD and Sierra 3500 HD trucks, RK623831 addresses the lower front suspension connection point that supports steering response and wheel control. The Moog part number RK623831 is a direct-fit option for owners replacing a worn front left lower control arm on Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500 HD, GMC Sierra 2500 HD, or GMC Sierra 3500 HD models.

Common Issues This Part Can Address

• Clunking or knocking from the front left lower suspension
• Excessive play from a worn ball joint
• Cracked, torn, or deteriorated control arm bushings
• Uneven tire wear related to suspension looseness
• Steering instability caused by worn lower control arm components

Installation Notes and Tips

Install RK623831 on the front left lower position only. Verify vehicle year, make, model, and suspension configuration before installation on 2020-2024 Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500 HD, GMC Sierra 2500 HD, or GMC Sierra 3500 HD applications. After replacement, perform a professional wheel alignment to restore proper suspension geometry and tire wear characteristics.

Quality Assurance

Moog premium control arms are engineered for structural strength and corrosion protection, making RK623831 a service-focused replacement for HD truck suspension repair. The premium grade construction and included bushings and ball joint support a complete front suspension refresh for the listed Chevrolet and GMC applications.