The McCormick 6621397A1 J Cover is a genuine OEM replacement part designed for various McCormick X-series tractors. This essential component ensures proper function and protection within the machinery. With confirmed dimensions of 95 mm length, 51 mm width, and 51 mm height, and a weight of 0.12 kg, it provides a precise fit for compatible models including X4.20, X4.30, X4.40, X4.50, X4.60, X4.70, X4.80, X5.20, X5.30, X5.40, X5.50, X6.420, X6.430, X6.440, X7.440, X7.450, X7.460, X7.650, X7.660, X7.670, X7.680, X8.660, X8.670, X8.680.