The 3540489M91 accelerator pedal is a genuine OEM replacement part designed for Massey Ferguson tractors, and is also compatible with certain McCormick models. This essential component ensures precise engine speed control, contributing to efficient and safe operation. It is compatible with various models across the Massey Ferguson 5400, 6400, 7400, and 8400 series, including specific models like the MF 5425, 6470, and 8480. Constructed for durability and reliable performance, this accelerator pedal is crucial for maintaining optimal tractor functionality.