The McCormick T462031051 STOP is a genuine OEM replacement part designed for various McCormick X-series tractors. This essential component is compatible with models including X10.20, X10.30, X10.40, X10.50, X20.20, X20.30, X20.35, X20.40, X20.50, X30.20, X30.30, X30.35, X30.40, X30.50, X40.20, X40.30, X40.35, X40.40, X40.50, X50.20, X50.30, X50.35, X50.40, X50.50, X60.20, X60.30, X60.35, X60.40, and X60.50, ensuring proper functionality within the engine's system.