Moog RK623721 Suspension Control Arm and Ball Joint Assembly - Front Right Lower Rearward

Moog RK623721 Front Right Lower Rearward Control Arm

Moog RK623721 is a premium suspension control arm and ball joint assembly for the front right lower rearward position. It is built for foreign and domestic nameplates with structural strength and corrosion protection in mind, making it a direct replacement choice for Audi suspension service.

Key Features

• Premium-grade control arm assembly for suspension repair
• Ball joint included for a complete front right lower rearward service part
• Bushing included for proper suspension articulation and mounting support
• Engineered for structural strength
• Corrosion-protection focus for long-term durability
• Moog part number RK623721 for easy identification

Detailed Description

Moog RK623721 is a suspension control arm and ball joint assembly designed for the front right lower rearward position on select Audi models. This assembly includes the ball joint and bushing, helping restore the connection between the chassis and suspension while maintaining the correct geometry for the vehicle. It is a premium replacement part for Audi A6 Quattro, A7 Sportback, Q5, SQ5, S7, RS6 Avant, and RS7 Sportback applications listed below. This part cross-references Dorman - OE Solutions 526-212 and Mevotech Supreme CMS701171 for the same application.

Vehicle Fitment

• Fits 2021-2023 Audi RS6 Avant, front right lower rearward.
• Fits 2021-2023 Audi RS7 Sportback, front right lower rearward.
• Fits 2019-2020 Audi A6 Quattro, front right lower rearward.
• Fits 2019-2020 Audi A7 Sportback, front right lower rearward.
• Fits 2018-2020 Audi Q5, front right lower rearward.
• Fits 2020 Audi S7, front right lower rearward.
• Fits 2018-2020 Audi SQ5, front right lower rearward.

Common Repair Uses

• Front suspension looseness or play at the lower rearward arm
• Worn ball joint noise or movement during steering and braking
• Cracked or deteriorated control arm bushings
• Uneven tire wear caused by suspension geometry issues
• Clunking or knocking from the front right suspension area

Installation Notes and Tips

Verify the front right lower rearward position before installation and compare the removed part to RK623721 for match-up. After replacement, inspect alignment settings and confirm all suspension fasteners are torqued to the vehicle manufacturer’s specifications. For Audi A6 Quattro, A7 Sportback, Q5, SQ5, S7, RS6 Avant, and RS7 Sportback applications, confirm the exact model year and suspension configuration against the fitment list.

Quality Assurance

Moog premium control arms are engineered for structural strength and corrosion protection, with a focus on dependable suspension service for foreign and domestic nameplates. RK623721 is built as a premium replacement assembly for the specified Audi applications.