Moog RK643577 Suspension Control Arm - Rear Right Upper

Moog RK643577 Rear Right Upper Control Arm

The Moog RK643577 is a premium suspension control arm built for rear right upper applications on select Kia and Hyundai vehicles. It is engineered for structural strength and corrosion protection, making it a direct-fit replacement for worn suspension components on the 2017-2020 Kia Optima and 2016-2019 Hyundai Sonata.

Key Features

• Premium-grade suspension control arm for rear right upper placement
• Engineered for structural strength in everyday driving conditions
• Corrosion-protection focus for long-term durability
• Direct replacement for select Kia Optima and Hyundai Sonata applications
• Moog part number RK643577 for easy catalog matching

Detailed Description

Moog RK643577 is a premium suspension control arm for the rear right upper position on the 2017-2020 Kia Optima and 2016-2019 Hyundai Sonata. This component is built for foreign and domestic nameplates with an emphasis on strength and corrosion resistance, helping restore proper suspension geometry when the original arm is worn, bent, or damaged. This part cross-references Dorman - OE Solutions 526-204 for the same application. For buyers searching by fitment, this rear right upper control arm for Kia Optima and Hyundai Sonata applications provides a focused OE-style replacement path.

What It Is Used For

• Replacing a worn rear right upper control arm on a Kia Optima
• Replacing a damaged rear right upper control arm on a Hyundai Sonata
• Addressing looseness or instability from suspension wear
• Correcting alignment-related issues tied to upper rear suspension wear
• Restoring consistent rear suspension operation after component fatigue

Installation Notes and Tips

Confirm vehicle year, make, model, and rear right upper position before ordering. This part fits 2017-2020 Kia Optima, rear right upper, and 2016-2019 Hyundai Sonata, rear right upper. Compare the original arm and mounting points to verify application match, and inspect related suspension components during service. The part number RK643577 is useful when cross-checking catalog listings and service records.

Quality Assurance

Moog premium control arms are engineered for structural strength and corrosion protection. RK643577 is a premium-grade suspension component intended for select Kia and Hyundai applications, with fitment coverage spanning 2016-2020 model years.