The 3654214M1 is a genuine OEM pinion gear designed for agricultural tractors, featuring 20 teeth. This robust gear is a critical component for the transmission system, ensuring reliable power transfer. It has an outer diameter of 104 mm, an inner diameter of 40 mm, and a height of 30 mm. This part is compatible with various models from McCormick, Massey Ferguson, and Landini, providing a direct replacement for worn or damaged original gears.