The Murray 1732918SM Lawn Tractor Pulley Drive helps ensure smooth and efficient power transfer for reliable lawn tractor operation. Designed as a replacement drive pulley, it guides and supports the drive belt while transferring engine power to the tractor's drive system. Its proper alignment helps maintain consistent belt movement, reduce slipping, and promote efficient performance ... https://www.wholetoolbox.com/murray-1732918sm-lawn-tractor-pulley-drive/1732918SM.html