Moog RK623933 Suspension Control Arm and Ball Joint Assembly - Rear Right Upper

Rear Right Upper Control Arm Assembly

Moog RK623933 is a premium suspension control arm and ball joint assembly for the rear right upper position. It is built for foreign and domestic nameplates with structural strength and corrosion protection in mind, making it a direct-fit service part for select Subaru, Toyota, and Scion applications.

Compatible with 2008-2026 Subaru BRZ, WRX, Legacy, WRX STI, and Impreza, plus Toyota GR86, Toyota 86, and Scion FR-S rear right upper suspension locations, this assembly is a practical OE-style replacement when the original arm shows wear or looseness. The RK623933 part number is also a useful reference when cross-shopping suspension repair options.

Key Features

• Premium-grade suspension control arm and ball joint assembly
• Ball joint included for a complete upper arm service solution
• Bushings included for direct replacement of worn suspension pivot points
• Engineered for structural strength
• Corrosion-protection focus for long-term durability
• Fits rear right upper suspension positions on select Subaru and Toyota platforms

Detailed Description

Moog RK623933 is a rear right upper control arm assembly designed for vehicles that use an integrated arm, ball joint, and bushing service layout. The premium construction supports consistent suspension geometry and helps restore proper rear suspension function on applications such as the Subaru BRZ, Subaru WRX, Toyota GR86, Toyota 86, and Scion FR-S. It also fits select Subaru Legacy, WRX STI, and Impreza models in the same rear right upper position. This part cross-references Dorman - OE Solutions 524-774 and Mevotech Supreme CMS801181 for the same application.

What It Helps Address

• Rear suspension clunking or looseness from worn control arm components
• Excessive play at the rear right upper suspension point
• Uneven tire wear related to worn rear suspension geometry
• Handling instability caused by degraded bushings or ball joint wear
• Corrosion-related replacement needs on aging suspension hardware

Installation Notes and Tips

Install RK623933 at the rear right upper suspension location only on the listed applications. After replacement, a professional wheel alignment is recommended to verify rear suspension geometry and tire tracking. Always confirm vehicle year, make, model, and position before installation, especially on Subaru BRZ, WRX, and Toyota GR86 applications where multiple rear suspension components may appear similar.

Quality Assurance

Moog positions this control arm assembly as a premium replacement part with attention to structural strength and corrosion protection. The RK623933 part number is a reliable reference for buyers comparing OE-style rear suspension repairs for Subaru and Toyota platforms.