The Peterbilt 389 Air Springs & Level Valves line offers essential suspension components like air springs, leveling valves, air bags, and pedestals for Peterbilt 388, 389, 379, 386, and 378 models. These high-performance parts help maintain and upgrade your truck's air ride system, ensuring smooth and reliable performance. Ideal for replacing worn parts or upgrading to a higher capacity pedestal, this product line optimizes your suspension system.