This is a genuine OEM McCormick 6501899M91 gear lever knob, designed for precise control and durability in agricultural machinery. It is compatible with a wide range of McCormick tractors including the MC, MTX, XTX, X6, and X7 series, as well as numerous Massey Ferguson models from the MF5400, MF6400, MF7400, and MF8400 series. This essential component ensures comfortable and reliable gear shifting, maintaining the original performance standards of your equipment.