Moog RK643155 Suspension Trailing Arm - Rear Left

Rear Left Suspension Trailing Arm for Highlander and Lexus RX

The Moog RK643155 is a premium rear left suspension trailing arm for select Toyota Highlander and Lexus RX applications. It is engineered for structural strength and corrosion protection, making it a direct-fit suspension replacement for vehicles that need precise rear suspension support.

Key Features

• Premium-grade suspension trailing arm for rear left placement
• Engineered for structural strength in daily driving and load-bearing use
• Corrosion-protection focus for long-term durability
• Direct replacement for select Toyota Highlander and Lexus RX models
• Moog RK643155 application coverage for 2010-2025 vehicles

Detailed Description

Moog RK643155 is a premium suspension trailing arm built for the rear left side on select Toyota Highlander, Lexus RX350, Lexus RX350L, Lexus RX450h, and Lexus RX450hL models. This part number is used for rear suspension service where the original trailing arm has wear, damage, or corrosion and the vehicle needs restored suspension geometry and stable rear-wheel location. This part cross-references Dorman - OE Solutions 528-009 for the same application.

Compatible With 2014-2025 Toyota Highlander, rear left; 2010-2022 Lexus RX350, rear left; 2018-2022 Lexus RX350L, rear left; 2010-2022 Lexus RX450h, rear left; and 2018-2022 Lexus RX450hL, rear left. The Moog RK643155 is a practical OE-style replacement for drivers servicing rear suspension components on Toyota Highlander and Lexus RX platforms.

What It Helps Address

• Rear suspension arm wear that can affect alignment and handling
• Corrosion-related deterioration on the original trailing arm
• Clunking or looseness from a damaged rear suspension link
• Uneven rear tire wear caused by suspension geometry issues
• Restoration of rear left suspension support on Highlander and Lexus RX models

Installation Notes and Tips

Verify rear left fitment by year, model, and trim before installation. After replacing the trailing arm, a professional wheel alignment is recommended to confirm rear suspension geometry. Inspect adjacent bushings, links, and mounting points for wear or damage while the suspension is apart.

Quality Assurance

Moog positions this part as a premium suspension component for foreign and domestic nameplates, with an emphasis on structural strength and corrosion protection. Part number RK643155 is built for the listed rear left applications on Toyota Highlander and Lexus RX vehicles.