Moog RK620140 Suspension Control Arm - Front Left Lower

OE-Style Front Left Lower Control Arm

Moog RK620140 is a front left lower suspension control arm for select Volkswagen and Audi applications. Built from forged steel with a painted black finish, it is engineered for structural strength and corrosion protection in daily driving conditions.

This control arm includes bushings and is a direct OE-replacement style part for vehicles such as the Volkswagen GTI, Jetta, Golf, Eos, Golf R, R32, and Audi A3/A3 Quattro with the listed configurations.

Key Features

• Forged steel construction for strength and durability
• Painted black finish for added corrosion resistance
• Includes rubber bushings
• Front left lower suspension position
• OE replacement design for foreign and domestic nameplates
• Moog part number RK620140

Detailed Product Overview

Moog RK620140 is a suspension control arm designed for the front left lower position on compatible Volkswagen and Audi models. The forged steel arm provides a rigid mounting point for the suspension, while the rubber bushings help isolate road vibration and maintain proper suspension geometry. This part cross-references Dorman - OE Solutions 520-579 for the same application.

Use RK620140 when replacing a worn or damaged control arm on 2006-2014 Volkswagen GTI, 2006-2014 Volkswagen Jetta, 2007-2014 Volkswagen Eos, 2008-2009 Volkswagen R32, 2012-2013 Volkswagen Golf R, 2010-2014 Volkswagen Golf, 2006-2009 Audi A3, and 2007-2009 Audi A3 Quattro, front left lower, with the listed fitment notes.

What This Part Helps Address

• Clunking or knocking from the front suspension
• Excessive play caused by worn control arm bushings
• Uneven tire wear related to suspension geometry issues
• Steering looseness from a deteriorated lower arm assembly
• Front-end instability over bumps and rough pavement

Installation Notes and Tips

Verify the vehicle’s year, make, model, and fitment notes before ordering. This part is for the front left lower position only and is not adjustable. Mounting hardware is not included, and the ball joint is not included. Because the arm is supplied with bushings, inspect adjacent suspension components, alignment settings, and related fasteners during replacement.

Fitment includes 2006-2014 Volkswagen GTI, 2006-2014 Volkswagen Jetta, 2007-2014 Volkswagen Eos, 2008-2009 Volkswagen R32, 2012-2013 Volkswagen Golf R, 2010-2014 Volkswagen Golf, 2006-2009 Audi A3, and 2007-2009 Audi A3 Quattro in the front left lower position, with configuration-specific notes such as automatic headlight range control or no sport suspension where listed.

Quality Assurance

Moog manufactures premium control arms for foreign and domestic nameplates with an emphasis on structural strength and corrosion protection. RK620140 is built as an OE-style replacement suspension component for the specified applications.