This is a genuine McCormick OEM part, number 6631834A1, identified as a sleeve. It is designed for various McCormick X-series tractors, including models X4.30, X4.40, X4.50, X4.60, X4.70, 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, and X8.680. The sleeve measures 95 mm in length, 51 mm in width, and 51 mm in height, with a weight of 0.12 kg, ensuring optimal functionality and durability.