The McCormick 217420 Plug is an original equipment manufacturer (OEM) part designed for a wide range of McCormick agricultural tractors. This genuine replacement plug ensures proper sealing and function within the specified systems of compatible models, maintaining the integrity and performance of your machinery. It is compatible with McCormick CX, CMAX, TMAX, MC, MTX, X4, X5, X6, X7, and X8 series tractors, providing a reliable solution for maintenance and repairs.