The KYB Excel‑G rear struts 334384/334385 are engineered as direct-fit replacements for the rear suspension of Toyota Highlander (2005–2009) and Lexus RX330/RX350 models (2WD). These gas‑charged, twin‑tube dampers are valved on the same production lines as OEM units, ensuring precise control over compression and rebound forces. The result is a smoother ride, reduced body sway, and restored tire-to-road contact—key for maintaining ride comfort and handling integrity.

Built for long-lasting performance, these shocks feature quality components such as triple‑chrome piston rods to reduce seal wear, seamless steel cylinders to prevent gas and fluid leakage, sintered‑iron rod guides for better alignment, and multi‑lip seals to minimize oil loss. Nitrogen pressurization prevents aeration for consistent damping, and their corrosion-resistant finish protects against harsh environments. Many users report these struts maintain factory-level ride quality for over 150,000 miles, making them a cost-effective choice to revitalize rear suspension performance.