Moog RK623540 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

Front Left Lower Control Arm for Sportage and Tucson

Moog RK623540 is a premium suspension control arm and ball joint assembly for the front left lower position. It is built for the 2011-2016 Kia Sportage and 2010-2015 Hyundai Tucson, with bushings and a ball joint included for a complete replacement assembly.

Key Features

• Premium-grade control arm assembly for front suspension service
• Includes bushings and ball joint
• Engineered for structural strength
• Corrosion-protected construction for long-term durability
• Direct fit for front left lower applications on select Kia and Hyundai models
• Moog RK623540 replacement part number for easy lookup

Detailed Description

Moog RK623540 is a front left lower suspension control arm and ball joint assembly made for select Kia Sportage and Hyundai Tucson models. This assembly is designed to restore proper suspension geometry at the front left lower position while replacing worn pivot points and the ball joint in one service part. The premium construction focuses on strength and corrosion resistance, which is important in daily-driven vehicles exposed to road spray, salt, and repeated suspension loading. This part cross-references Dorman - OE Solutions 520-399 and 526-477 for the same application.

What It Helps Fix

• Clunking or knocking from the front suspension
• Excessive play from worn control arm bushings
• Loose or unstable steering feel
• Uneven tire wear caused by suspension wear
• Ball joint looseness at the front left lower corner

Installation Notes and Tips

Fits 2011-2016 Kia Sportage, front left lower. Fits 2010-2015 Hyundai Tucson, front left lower. Confirm the vehicle’s suspension layout and position before ordering, and inspect related components such as alignment angles, tie rods, and mounting points during replacement. A professional wheel alignment is recommended after installation to verify suspension settings.

Quality Assurance

Moog premium control arms for foreign and domestic nameplates are engineered with structural strength and corrosion protection in mind. RK623540 is a premium-grade replacement part built to meet the demands of front suspension service on Kia Sportage and Hyundai Tucson applications.