Moog RK621228 Suspension Control Arm and Ball Joint Assembly - Front Right Upper

Front Right Upper Control Arm for Lexus and Toyota

Moog RK621228 is a suspension control arm and ball joint assembly for the front right upper position on select Lexus LX470 and Toyota Land Cruiser models. It is built with stamped steel construction, pre-greased components, and included bushings and mounting hardware for a direct replacement service part.

Key Features

• Fits 1998-2007 Lexus LX470, front right upper
• Fits 1998-2007 Toyota Land Cruiser, front right upper
• Stamped steel control arm with black finish
• Press-in ball joint with threaded stud type
• Pre-greased for service readiness
• Rubber bushings included
• Mounting hardware included
• Non-adjustable design

Detailed Product Overview

Moog RK621228 is engineered as a suspension control arm and ball joint assembly for vehicles that need a front right upper replacement. The stamped steel arm is paired with a press-in ball joint and rubber bushings to restore the original suspension connection point on the Lexus LX470 and Toyota Land Cruiser. Moog’s premium control arm design emphasizes structural strength and corrosion protection, making RK621228 a practical OE-style replacement for daily-driven SUVs.

This part cross-references Dorman - OE Solutions 521-670 and Mevotech Supreme CMS86152 for the same application. The part number RK621228 is also useful when searching for a front right upper control arm for Lexus LX470 or Toyota Land Cruiser suspension repair.

Common Problems This Part Can Address

• Front-end clunking or knocking from worn upper control arm components
• Excessive play at the suspension pivot points
• Uneven tire wear related to worn front suspension geometry
• Steering looseness caused by deteriorated bushings or ball joint wear
• Restoration of proper front right upper suspension support

Installation Notes and Tips

Verify vehicle fitment by year, make, model, and front right upper position before installation. Inspect adjacent suspension components, alignment angles, and fasteners during replacement. Because the ball joint is press-in, proper service tools and suspension support procedures are recommended for installation. After installation, a professional wheel alignment is recommended to confirm correct suspension geometry.

Quality Assurance

Moog premium control arms are engineered for structural strength and corrosion protection, with OE-style replacement fitment for foreign and domestic nameplates. RK621228 is pre-greased and supplied with bushings and mounting hardware for service-ready installation.