The McCormick 3387626M2 control knob is a genuine OEM replacement part designed for a wide range of Massey Ferguson, Landini, and McCormick agricultural tractors. This durable knob, with a diameter of 45mm and a height of 40mm, ensures precise control and comfortable operation. It is an essential component for various control functions within the tractor cabin, maintaining the original equipment's quality and performance. This part is also known to replace earlier revisions of the 3387626M series.