Moog RK643406 Suspension Control Arm - Front Left Lower

Moog RK643406 Front Left Lower Control Arm

The Moog RK643406 is a premium suspension control arm built for Ford Transit front-end service. It is engineered for structural strength and corrosion protection, making it a direct-fit replacement for the front left lower position on select Transit vans.

Key Features

• Premium-grade suspension control arm for front left lower installation
• Engineered for structural strength to support suspension geometry
• Corrosion-protected construction for long-term durability
• Fits 2015-2020 Ford Transit-150, front left lower
• Fits 2015-2020 Ford Transit-250, front left lower
• Fits 2015-2020 Ford Transit-350, front left lower
• Fits 2015-2020 Ford Transit-350 HD, front left lower

Detailed Description

Moog RK643406 is a premium control arm for Ford Transit applications, including Transit-150, Transit-250, Transit-350, and Transit-350 HD models from 2015 through 2020. This front left lower control arm is built to restore proper suspension location and help maintain stable steering response and consistent front-end alignment. The RK643406 part number is commonly searched by buyers looking for a front left lower control arm for Ford Transit-150 or Ford Transit-250 service.

This part cross-references Delphi TC3746 for the same application. It also cross-references Dorman OE Solutions 524-877 for the same application.

What It Helps Address

• Excessive play or looseness in the front suspension
• Uneven tire wear related to worn suspension geometry
• Clunking or knocking from the front left lower suspension area
• Steering pull or unstable road feel caused by a worn control arm
• Alignment issues after suspension wear on Ford Transit vans

Installation Notes and Tips

Install on the front left lower position only for the listed Ford Transit applications. After replacement, perform a professional wheel alignment to verify suspension geometry and steering tracking. Confirm vehicle year, model, and position before ordering the RK643406 control arm.

Quality Assurance

Moog states that its premium control arms for foreign and domestic nameplates are engineered for structural strength and corrosion protection. The RK643406 reflects that product focus for Ford Transit front suspension service.