The McCormick 3303882M91 is a genuine OEM Control Board (PCB) designed for various McCormick X-series tractors, including the X10.20, X10.30, X10.40, X10.50, X20.25, X20.35, X20.45, X20.55, X30.25, X30.35, X30.45, X30.55, X40.25, X40.35, X40.45, X40.55, X50.25, X50.35, X50.45, and X50.55 models. This critical electronic component ensures proper operation and control within the machinery. It is also compatible with Landini Mistral, Rex, and Technofarm models, providing reliable performance for agricultural applications.