Enhance your Freightliner Coronado's ride with air springs and level valves from 4 State Trucks. Air springs handle different loads with ease, offering a smoother ride, while level valves maintain consistent ride height to keep your truck balanced. Thinking about an all-in-one solution? Opt for a full suspension kit that combines both. These upgrades improve handling and comfort, making every trip more enjoyable. Browse our options to find the best fit for your Freightliner needs!