Moog RK623031 Suspension Control Arm and Ball Joint Assembly - Front Left Lower Forward

Moog RK623031 Front Left Lower Forward Control Arm

The Moog RK623031 is a premium suspension control arm and ball joint assembly for select Land Rover applications. It is built for the front left lower forward position and includes the bushings and ball joint needed for a complete replacement at the corner.

Key Features

• Premium-grade suspension control arm and ball joint assembly
• Includes bushings and ball joint
• Engineered for structural strength
• Built with corrosion protection in mind
• Direct replacement for the front left lower forward position

Detailed Description

Moog RK623031 is a front left lower forward suspension control arm assembly for 2020-2024 Land Rover Defender 110, 2023-2024 Land Rover Defender 130, 2021-2024 Land Rover Defender 90, and 2021-2024 Land Rover Discovery. This part number, RK623031, is a premium replacement option for drivers addressing wear in the lower front suspension on these Land Rover models. Moog engineers this control arm for structural strength and corrosion resistance, helping support consistent suspension geometry and dependable steering response.

This part cross-references Monroe Shocks & Struts (e.g., 172286) for the same application.

What It Is Used For

• Replacing a worn or noisy front left lower forward control arm
• Correcting looseness in the suspension joint area
• Addressing uneven tire wear related to suspension wear
• Restoring stable front-end alignment on Land Rover Defender and Discovery models
• Resolving clunking or play from a deteriorated ball joint or bushing

Installation Notes and Tips

Verify vehicle year, model, and front left lower forward position before installation. Because this assembly includes bushings and a ball joint, it is suited for a full component replacement rather than a partial rebuild. After installation, perform a professional wheel alignment to confirm suspension geometry on the Defender 110, Defender 130, Defender 90, or Discovery.

Quality Assurance

Moog premium control arms are engineered for foreign and domestic nameplates with attention to structural strength and corrosion protection. RK623031 is built as a premium suspension replacement for the listed Land Rover applications.