Moog RK643809 Suspension Control Arm - Rear Left Upper Forward

Moog RK643809 Rear Left Upper Forward Control Arm

The Moog RK643809 is a premium suspension control arm built for foreign and domestic nameplates where structural strength and corrosion protection matter. It is a direct-fit suspension component for the rear left upper forward position on select Jeep Grand Cherokee applications, including 2016-2021 Jeep Grand Cherokee and 2022 Jeep Grand Cherokee WK.

Key Features

• Premium-grade suspension control arm for rear suspension service
• Engineered for structural strength in demanding road conditions
• Corrosion protection helps support long-term durability
• Direct replacement for the rear left upper forward position
• Moog RK643809 cross-references Dorman OE Solutions 528-225 and Mevotech Supreme CMS251252 for the same application

Detailed Description

Moog RK643809 is a premium suspension control arm for the rear left upper forward location on select Jeep Grand Cherokee models. It is built to restore proper suspension geometry and replace a worn or damaged control arm in the rear suspension assembly. This part number, RK643809, is listed for 2016-2021 Jeep Grand Cherokee and 2022 Jeep Grand Cherokee WK applications, making it a focused fitment for owners searching for a rear left upper forward control arm for Jeep Grand Cherokee service.

As a premium Moog suspension component, this control arm is engineered with structural strength in mind and includes corrosion protection to help it stand up to everyday exposure. For shoppers comparing Jeep Grand Cherokee rear suspension parts, RK643809 provides a direct replacement path for the specified position without requiring guesswork on fitment.

What It Helps Address

• Clunking or looseness from a worn rear control arm
• Uneven rear suspension alignment after component wear
• Excess movement in the rear left upper forward suspension point
• Handling instability caused by degraded suspension geometry
• Corrosion-related replacement needs on the rear suspension

Installation Notes and Tips

Fits 2016-2021 Jeep Grand Cherokee, rear left upper forward. Fits 2022 Jeep Grand Cherokee WK, rear left upper forward. Confirm the vehicle year, model, and suspension position before installation. After replacement, a professional wheel alignment is recommended to verify rear suspension settings and steering-wheel tracking.

Quality Assurance

Moog is known for suspension components engineered for strength and corrosion resistance across foreign and domestic nameplates. RK643809 is a premium-grade control arm built to meet the demands of the specified Jeep Grand Cherokee rear suspension application.