Genuine McCormick 3688807M1 valve, an essential OEM component designed for optimal performance in various McCormick X-series agricultural tractors. This valve is confirmed to fit models including X4.20, X4.30, X4.40, X4.50, X4.60, 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, X7.690, X8.660, X8.670, X8.680, X4M.20, X4M.30, X4M.40, X4M.50, X5M.100, X5M.110, X5M.90, X6M.115, X6M.125, X6M.135, X7M.170, X7M.180, X7M.190. With dimensions of 95mm length, 51mm width, 51mm height, and a weight of 0.12 kg, it ensures precise fit and function.