The Peterbilt 388 Air Springs & Level Valves product lineup offers a comprehensive selection of high-quality air suspension components for a variety of Peterbilt truck models, including the 388, 389, 379, 386, 378, and 387. This product lineup features a wide range of air bags, leveling valves, and related accessories to ensure a smooth, comfortable ride and optimal suspension performance. Key products in this product lineup include replacement air bags, rolling lobe air springs, adjustable leveling valve kits, and air spring pedestals. These components are designed to work seamlessly with Peterbilt's popular air leaf, low air leaf, and air trac suspensions, providing the perfect fit and reliable performance. Whether you're maintaining an existing Peterbilt or upgrading the suspension, this product lineup has the essential parts and accessories to keep your truck running at its best.