The McCormick 6717253A1 is a genuine OEM sleeve designed for various McCormick X-series tractors, including X4.20, X4.30, X4.40, X4.50, X4.60, X5.20, X5.30, X5.40, X5.50, X5.60, 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 models. This essential component measures approximately 54 mm in length, 54 mm in width, and 35 mm in height, with a weight of about 0.036 kg, providing a precise fit for critical machinery applications.