The McCormick 6631549A3 lever is an original equipment manufacturer (OEM) part designed for various McCormick X4, X5, and X6 series agricultural tractors. This genuine lever ensures reliable and precise operation, maintaining the original performance and safety standards of your machinery. It is a critical component for control systems in compatible McCormick tractors, fitting models such as X4.20, X4.30, X4.40, X4.50, X4.60, X4.70, X5.20, X5.30, X5.40, X5.50, X6.420, X6.430, and X6.440.