The McCormick 6631420A1 is a genuine OEM hose designed for a wide range of McCormick agricultural tractors. This original part ensures optimal performance and compatibility with McCormick X4, X5, X6, X7, and X8 series models, including X4.20, X4.30, X4.40, X4.50, X4.60, X4.70, X4.35M, X4.40M, X4.50M, X4.55M, X4.60M, X4.70M, X4.75M, X5.20, X5.30, X5.40, X5.50, X5.60, X5.70, X5.80, X5.90, X5.100, X5.110, X5.120, X5.130, X5.140, X6.420, X6.430, X6.440, X6.460, X6.470, X6.480, X6.490, X6.500, X6.510, X6.520, X6.530, X6.540, X6.550, X6.560, X6.570, X6.580, X6.590, X6.600, X6.610, X6.620, X6.630, X6.640, X6.650, X6.660, X6.670, X6.680, X6.690, X6.700, X6.710, X6.720, X6.730, X6.740, X6.750, X6.760, X6.770, X6.780, X6.790, X6.800, X6.810, X6.820, X6.830, X6.840, X6.850, X6.860, X6.870, X6.880, X6.890, X6.900, X6.910, X6.920, X6.930, X6.940, X6.950, X6.960, X6.970, X6.980, X6.990, X7.440, X7.450, X7.460, X7.470, X7.480, X7.490, X7.650, X7.660, X7.670, X7.680, X7.690, X7.700, X7.710, X7.720, X7.730, X7.740, X7.750, X7.760, X7.770, X7.780, X7.790, X7.800, X7.810, X7.820, X7.830, X7.840, X7.850, X7.860, X7.870, X7.880, X7.890, X7.900, X8.660, X8.670, X8.680, X8.690, X8.700, X8.710, X8.720, X8.730, X8.740, X8.750, X8.760, X8.770, X8.780, X8.790, X8.800, X8.810, X8.820, X8.830, X8.840, X8.850, X8.860, X8.870, X8.880, X8.890, X8.900, X8.910, X8.920, X8.930, X8.940, X8.950, X8.960, X8.970, X8.980, and X8.990 models.