The Snapper 84005856 Lawn Mower Spindle Pulley helps ensure efficient power transfer for smooth and consistent blade operation. Designed as a replacement spindle pulley, it works with the mower deck belt to transfer engine power to the spindle assembly, enabling the cutting blades to rotate effectively. Proper pulley alignment helps maintain correct belt tracking, reduce slipping, and... https://www.wholetoolbox.com/snapper-84005856-lawn-mower-spindle-pulley/84005856.html