The McCormick 3131571R1 O-Ring is a genuine OEM sealing component designed for various McCormick agricultural tractors. This high-quality O-ring provides a critical seal, preventing leaks and maintaining system integrity in demanding operating conditions. With an inner diameter of 110.65 mm and a section diameter of 5.33 mm, it ensures a precise fit for compatible McCormick CX, MC, MTX, X60, X7, and XTX series models. Using genuine McCormick parts like the 3131571R1 guarantees optimal performance and longevity for your machinery.