Moog RK623727 Suspension Control Arm and Ball Joint Assembly - Front Left Lower Rearward

Front Left Lower Rearward Control Arm for Audi and Porsche

The Moog RK623727 is a premium suspension control arm and ball joint assembly for the front left lower rearward 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 Audi Q7, Q8, SQ7, SQ8, A8 Quattro, e-tron models, and Porsche Cayenne applications.

For drivers searching for a front left lower rearward control arm for 2017-2023 Audi Q7 or 2019-2025 Porsche Cayenne, this assembly provides the control arm, ball joint, and bushings in one serviceable unit. The Moog RK623727 is also a fitment match for several Audi performance and electric models, including the e-tron Quattro, e-tron Sportback, e-tron S, e-tron S Sportback, RS Q8, and S8.

Key Features

• Premium-grade suspension control arm and ball joint assembly
• Ball joint included for complete front suspension service
• Bushings included for a more complete replacement
• Engineered for structural strength
• Corrosion-protection focus for long-term durability
• Direct replacement for the front left lower rearward position
• Moog RK623727 fitment for select Audi and Porsche vehicles

Detailed Description

Moog RK623727 is a front left lower rearward suspension control arm assembly designed for precise fitment on select Audi and Porsche platforms. It serves the front left lower rearward location on 2019-2025 Porsche Cayenne, 2017-2023 Audi Q7, 2019-2023 Audi Q8, 2020-2023 Audi RS Q8, 2020-2023 Audi S8, 2020-2023 Audi SQ7, 2020-2023 Audi SQ8, 2019-2023 Audi A8 Quattro, 2019-2023 Audi e-tron Quattro, 2020-2023 Audi e-tron Sportback, 2022-2023 Audi e-tron S, and 2022-2023 Audi e-tron S Sportback. This part cross-references Delphi TC7054 and Dorman OE Solutions 526-569 for the same application.

With the ball joint and bushings included, this assembly supports a more complete front suspension repair on vehicles that use the lower rearward arm at the left front corner. The RK623727 is a practical choice when replacing worn suspension components on Audi Q7, Audi Q8, and Porsche Cayenne models where steering feel, alignment stability, and suspension geometry depend on a properly functioning control arm.

What This Part Helps Address

• Front-end clunking or knocking from a worn control arm assembly
• Excessive play from a deteriorated ball joint
• Cracked or worn suspension bushings
• Uneven tire wear related to front suspension looseness
• Alignment instability on the front left lower rearward corner

Installation Notes and Tips

Install the Moog RK623727 at the front left lower rearward position only on the listed applications. Because this is a suspension control arm and ball joint assembly, a professional alignment is recommended after installation. Verify vehicle trim and suspension configuration against the fitment list before ordering, especially on Audi Q7, Audi Q8, and Porsche Cayenne models.

Quality Assurance

Moog premium control arms are engineered for structural strength and corrosion protection, with a premium-grade construction approach for service replacement use. The RK623727 is built to meet the demands of select Audi and Porsche front suspension applications.