The McCormick 86002577 Valve is a genuine OEM replacement part designed for various McCormick X-series tractors. This essential valve ensures proper system function across models including X4.20, X4.30, X4.40, X4.50, X4.60, X4.70, X4.80, X4.90, X5.20, X5.30, X5.40, X5.50, X5.60, X5.70, 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, X8.690, and X8.690 VT-DRIVE. Weighing 0.12 kg with dimensions of 95mm length and 51mm height, it provides reliable performance for agricultural machinery.