Moog RK80547 Suspension Control Arm and Ball Joint Assembly - Front Right Upper

Front Right Upper Control Arm for Mercedes-Benz

Restore front suspension geometry with this Moog suspension control arm and ball joint assembly, part number RK80547. It is built for the front right upper position and fits select Mercedes-Benz ML-Class models from 1998-2005, including ML320, ML430, ML500, ML55 AMG, and ML350.

• Pre-greased for initial service readiness
• Forged aluminum control arm construction for structural strength
• Rubber bushings included for a direct replacement setup
• Press-in ball joint mounting with threaded stud type
• Mounting hardware included
• Gray finish with corrosion protection focus
• Non-adjustable design for OE-style replacement fitment

Detailed Product Overview

Moog RK80547 is a premium suspension control arm and ball joint assembly engineered for foreign and domestic nameplates with an emphasis on structural strength and corrosion protection. The forged aluminum arm helps maintain suspension integrity, while the included rubber bushings support proper isolation and ride quality. This assembly is a direct-fit replacement for the front right upper position on Mercedes-Benz ML320, ML430, ML500, ML55 AMG, and ML350 applications listed below.

This part cross-references Dorman - OE Solutions 521-294 and Beck/Arnley 101-5247 for the same application. The Moog RK80547 part number is also commonly referenced in interchange catalogs for OE-style suspension service.

Vehicle Fitment

• Fits 1998-2003 Mercedes-Benz ML320, front right upper
• Fits 1999-2001 Mercedes-Benz ML430, front right upper
• Fits 2000-2003 Mercedes-Benz ML55 AMG, front right upper
• Fits 2002-2005 Mercedes-Benz ML500, front right upper
• Fits 2003-2005 Mercedes-Benz ML350, front right upper

Common Repair Uses

• Front-end clunking or knocking from worn suspension joints
• Uneven tire wear caused by loosened upper control arm bushings
• Steering wander or reduced front suspension stability
• Ball joint play affecting alignment and road feel
• Corrosion-related replacement of the original upper control arm assembly

Installation Notes

Install RK80547 at the front right upper suspension location only. Because the ball joint uses a press-in mounting style, proper suspension service tools are required for installation. Verify alignment after replacement, and confirm the threaded stud and mounting points match the original Mercedes-Benz ML-Class component before final assembly.

Quality Assurance

Moog premium control arms are engineered for structural strength and corrosion protection, with pre-greased components and included bushings to support consistent service performance. RK80547 is built to meet OE-style expectations for the listed Mercedes-Benz applications.