Moog RK621956 Suspension Control Arm and Ball Joint Assembly - Front Right Lower Forward

Overview

Moog RK621956 is a suspension control arm and ball joint assembly for select Mercedes-Benz E-Class applications. It is built for structural strength and corrosion protection, with pre-greased components and included bushings for a service-ready replacement.

Key Features

• Pre-greased for reduced prep before installation.
• Rubber bushings help isolate suspension movement.
• Press-in ball joint with threaded stud design.
• Mounting hardware is included.
• Non-adjustable control arm construction.

Fitment

• Fits 2014-2016 Mercedes-Benz E250, front right lower forward.
• Fits 2010-2016 Mercedes-Benz E350, front right lower forward.
• Fits 2013-2016 Mercedes-Benz E400, front right lower forward.
• Fits 2010-2011 Mercedes-Benz E550, front right lower forward.

What It Helps Address

• Loose or worn suspension control arm performance.
• Clunking or knocking from worn ball joint components.
• Excessive play caused by deteriorated bushings.
• Corrosion-related replacement needs on the suspension arm.

Installation Notes

Verify the vehicle application and position before installation. This assembly uses a press-in ball joint and threaded stud design, so proper suspension service procedures and alignment checks are recommended after replacement.

Quality Assurance

MOOG premium control arms are engineered for structural strength and corrosion protection. Part number RK621956 is a direct replacement option for the listed Mercedes-Benz E-Class applications, and this part cross-references Dorman - OE Solutions 522-714 for the same application.