Moog RK623970 Suspension Control Arm and Ball Joint Assembly - Front Right Upper

Front Right Upper Control Arm for Lexus

Moog RK623970 is a premium suspension control arm and ball joint assembly for the front right upper position. It is built for Lexus applications that need structural strength, corrosion protection, and a direct-fit replacement with the ball joint and bushings included.

Key Features

• Premium-grade control arm assembly for suspension service
• Ball joint included for a complete upper arm replacement
• Bushings included for proper mounting and suspension articulation
• Engineered for structural strength and corrosion protection
• Direct replacement for select Lexus front right upper applications
• Part number RK623970 for ordering and cross-reference

Detailed Description

Moog RK623970 is a front right upper suspension control arm and ball joint assembly designed for select Lexus models, including Lexus IS300, IS350, IS500, RC F, RC300, RC350, GS F, GS350, GS300, GS450h, GS200t, and RC200t. This premium assembly supports precise suspension geometry at the front right upper position while replacing worn pivot points with a complete service part. The RK623970 part number is commonly searched by buyers looking for a Lexus front right upper control arm with ball joint and bushings included.

This part cross-references Mevotech Original Grade GS861137 and Mevotech Supreme CMS861137 for the same application.

What It Helps Fix

• Front-end looseness or wandering caused by worn upper control arm components
• Clunking or knocking noises from worn suspension joints
• Uneven tire wear related to suspension geometry issues
• Steering response problems from excess play in the front right upper arm
• Suspension vibration or instability during braking and cornering

Installation Notes and Tips

Fits 2021-2025 Lexus IS300, front right upper; 2021-2025 Lexus IS350, front right upper; 2022-2025 Lexus IS500, front right upper; 2015-2024 Lexus RC F, front right upper; 2018-2024 Lexus RC300, front right upper; 2015-2024 Lexus RC350, front right upper; 2016-2020 Lexus GS F, front right upper; 2013-2020 Lexus GS350, front right upper; 2018-2019 Lexus GS300, front right upper; 2013-2018 Lexus GS450h, front right upper; 2016-2017 Lexus GS200t, front right upper; and 2016-2017 Lexus RC200t, front right upper. Verify suspension orientation and vehicle trim before installation, and inspect related bushings, fasteners, and alignment settings during service.

Quality Assurance

Moog premium control arms are engineered for structural strength and corrosion protection, making RK623970 a solid replacement choice for Lexus suspension repair. The included ball joint and bushings support a more complete service replacement for the front right upper position.