The McCormick 6707742A1 is a genuine OEM presence sensor detector designed for a wide range of McCormick tractors. This original part ensures reliable operation and proper fitment, maintaining the performance of your agricultural machinery. Compatible with McCormick X2.25, X2.30, X2.35, X2.40, X2.50, X3.20, X3.30, X3.35, X3.40, X3.50, X4.20, X4.30, X4.40, X4.50, X4.60, X4.70, X4.80, X4.90, X4.100, X4.110, X4.120, X5.35, X5.45, X5.55, X5.85, X5.95, X5.100, X5.110, X5.120, X5.130, X6.420, X6.430, X6.440, X6.450, X6.460, X7.440, X7.450, X7.460, X7.650, X7.660, X7.670, X7.680, X8.621, X8.631, X8.641 tractor models.