Moog RK641872 Suspension Control Arm - Rear Lower Rearward

OE-Style Rear Lower Rearward Control Arm

Moog RK641872 is a suspension control arm built for the rear lower rearward position on select Lexus RX300 and Toyota Highlander applications. It uses forged steel construction, a painted black finish, and rubber bushings to support structural strength and corrosion resistance in everyday driving conditions.

Key Features

• Forged steel construction for a rigid suspension mounting point
• Black painted finish for added corrosion protection
• Rubber bushings included for direct replacement service
• Regular-grade control arm for OE-style suspension repair
• Not adjustable, with no pre-greasing or grease fitting provision
• Moog RK641872 for rear lower rearward suspension service

Detailed Description

This Moog suspension control arm is engineered for the rear lower rearward position and is listed for 1999-2003 Lexus RX300 and 2001-2003 Toyota Highlander models. The forged steel body helps maintain suspension geometry under load, while the included rubber bushings support a quieter, more controlled connection point. Moog RK641872 is a practical replacement when restoring rear suspension integrity on these vehicles.

This part cross-references Dorman OE Solutions 521-910 for the same application.

Common Repair Uses

• Rear suspension looseness or instability
• Worn or deteriorated control arm bushings
• Clunking or knocking from the rear suspension
• Uneven tire wear related to rear suspension movement
• Restoring OE-style alignment and handling response

Installation Notes and Tips

Verify the rear lower rearward position before installation and compare the original arm length, mounting points, and bushing orientation to the replacement part. Because mounting hardware is not included, reuse or source the correct fasteners as needed. A professional alignment check is recommended after suspension work is completed. Confirm fitment for your exact Lexus RX300 or Toyota Highlander year and rear suspension configuration before installation.

Quality Assurance

Moog premium control arms are engineered for structural strength and corrosion protection, making RK641872 a dependable OE-style replacement for the listed Lexus RX300 and Toyota Highlander applications.