The McCormick 122579A1 is a genuine OEM sensor designed for various McCormick agricultural machinery. This essential component ensures proper system monitoring and operation across a wide range of McCormick X-series and XTX tractor models, including the X4.20, X4.30, X4.40, X4.50, X4.60, X4.70, X5.35, X5.45, X5.55, X6.420, X6.430, X6.440, X7.440, X7.450, X7.460, X7.650, X7.660, X7.670, X7.680, X7.690, X8.660, X8.670, X8.680, X50.20M, X50.30M, X50.40M, X50.50M, X60.20, X60.30, X60.40, X60.50, X70.40, X70.50, X70.60, X70.70, X70.80, XTX145, XTX165, XTX185, XTX200, and XTX215 Series.