The McCormick 6684975A1 Channel is a genuine OEM replacement part designed for various McCormick X-series tractors. This essential component ensures proper function and fitment across models including the 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, X5.80, X5.90, X6.420, X6.430, X6.440, X7.440, X7.450, X7.460, X7.650, X7.660, X7.670, X7.680, X7.690, X8.627, X8.631, and X8.640. Trust in genuine McCormick parts for durability and precise compatibility.