Moog RK643911 Suspension Trailing Arm - Rear Left

Moog RK643911 Rear Left Trailing Arm

The Moog RK643911 is a premium suspension trailing arm built for rear left applications on select Hyundai and Kia models. MOOG focuses on design updates that help extend service life and make replacement easier, making this a practical OE-style suspension service part for chassis repair.

Key Features

• Premium grade suspension trailing arm for rear left installation
• Engineered with MOOG design improvements that support longer product life and simpler service work
• Direct-fit replacement for select Hyundai Tucson and Kia Sportage applications
• Cross-references Dorman OE Solutions 528-233 for the same application
• Part number RK643911 for ordering and catalog lookup

Detailed Description

Moog RK643911 is a rear left suspension trailing arm for 2019-2021 Hyundai Tucson and 2018-2020 Kia Sportage models. This component helps restore rear suspension geometry and stable wheel location when the original arm is worn, bent, or no longer holding alignment as intended. The premium construction and MOOG problem-solving design approach make it a strong choice for repair work where fit, durability, and serviceability matter. This part number, RK643911, is also a useful reference when comparing OE-style replacements for Hyundai Tucson and Kia Sportage rear suspension service.

What It Helps Address

• Rear suspension looseness or instability
• Clunking or knocking from worn trailing arm bushings or joints
• Uneven tire wear related to rear suspension geometry issues
• Vehicle pull or tracking concerns after suspension wear
• Damage from impact, corrosion, or fatigue in the rear suspension arm

Installation Notes and Tips

Fits 2019-2021 Hyundai Tucson, rear left. Fits 2018-2020 Kia Sportage, rear left. Confirm the rear left position before installation and inspect related suspension components, alignment settings, and fasteners during service. Because trailing arm replacement affects rear suspension geometry, a professional alignment check after installation is recommended.

Quality Assurance

MOOG is known in the chassis industry for ongoing design enhancements that improve service life and simplify replacement. This RK643911 premium suspension trailing arm is built to meet the needs of repair technicians and parts buyers looking for a dependable rear suspension solution.