Replacement Body Panel

This replacement air spring is engineered for Peterbilt 386 cab sleeper applications, delivering enhanced ride comfort and suspension performance for heavy-duty commercial trucking operations. Designed as a direct replacement for OEM part numbers SC29Y036, 7036, and 7066, this component is also compatible with Peterbilt 379, 378, 389, 389 Glider, and 388 models equipped with cab sleeper suspensions. The air spring features durable construction with a sleeve design and plastic base assembly, engineered to withstand the demanding conditions of long-haul and regional trucking operations. With a design height of 7 inches and maximum diameter of 5.6 inches, this air spring provides optimal load support and suspension articulation. The component specifications include a maximum height of 15.4 inches and minimum height of 4.00 inches, with top plate diameter of 2.99 inches and bottom plate diameter of 2.29 inches, ensuring proper fitment and alignment within existing suspension systems. Installation is straightforward, allowing technicians to quickly replace worn or damaged air springs with minimal downtime. The high-quality construction reduces maintenance intervals and extends component life, lowering total cost of ownership for fleet operators. This replacement part restores original suspension characteristics, improving vehicle handling, stability, and driver comfort during extended on-road operation. Suitable for use in commercial trucking fleets, owner-operator trucks, and long-haul operations, this air spring is an essential maintenance component for preserving suspension integrity and ride quality. The product meets industry standards for heavy-duty truck applications and delivers reliable performance across various road conditions and load scenarios.