The McCormick 3131375R2 is a genuine OEM return spring specifically designed for the Power Take-Off (PTO) control lever on a wide range of McCormick agricultural tractors. This critical component ensures the proper and reliable return action of the PTO engagement lever, which is essential for safe and efficient power transfer to implements. Manufactured to original equipment specifications, this spring provides precise fitment, durability, and consistent performance, maintaining the integrity of your tractor's PTO system.