The McCormick 4220906M91 is a genuine OEM electrical switch designed for a wide range of McCormick and Massey Ferguson agricultural tractors. This essential component ensures reliable operation of various electrical functions within the machine's system. It is compatible with numerous McCormick CX, MC, MTX, X60, X7, X70, and XTX series models, as well as Massey Ferguson 3000, 4000, 5000, 6000, 7000, and 8000 series tractors, providing precise fitment and dependable performance.