This heavy-duty air spring suspension component is designed specifically for Peterbilt trucks, serving as a direct replacement for parts 03-01649, 03-02038, and 1R12-069. The robust construction features a durable rubber body with reinforced sidewalls and a distinctive brick pattern design that enhances structural integrity. Built to withstand the demanding conditions of commercial trucking, this air spring helps maintain proper ride height and provides consistent load support across varying road conditions. The precision-engineered mounting hardware ensures proper fitment and reliable performance. This suspension component is essential for maintaining optimal vehicle handling, load distribution, and overall ride comfort in Peterbilt trucks. Whether you're replacing a worn unit or upgrading your suspension system, this air spring delivers the reliability and performance required for heavy-duty applications.