The McCormick 6635184A1 Bar is a genuine OEM component designed for various McCormick X-series agricultural tractors. This essential part ensures proper function and fitment across a wide range of models, including the X4.20, X4.30, X4.40, X4.50, X4.60, X4.70, X4.35M, X4.45M, X4.55M, X5.20, X5.30, X5.40, X5.50, X6.420, X6.430, X6.440, X6.460, X7.440, X7.450, X7.460, X7.650, X7.660, X7.670, X7.680, X8.660, X8.670, and X8.680. It is also cross-referenced as an equivalent OEM part for Case IH, New Holland, and Steyr, sharing the same part number 6635184A1, confirming its broad applicability within CNH Industrial brands.