The McCormick 3652160M1 is a genuine OEM washer designed for various McCormick, Landini, and Valpadana agricultural machinery. With precise dimensions of 10.5 mm inner diameter, 20 mm outer diameter, and 2.5 mm thickness, this washer ensures proper spacing and secure fastening in critical applications. It is compatible with numerous tractor models including McCormick X4, X5, X6, X7, X8 series, Landini 4, 5, 6, 7, 8 series, and Valpadana 4000 series.