The Toro 120-7856 Lawn Mower Drive Pulley B Section helps transfer rotational power through the mower’s drive system for consistent equipment operation. Working with the drive belt and related pulleys, it helps transmit power between connected components while maintaining proper belt engagement. A properly functioning drive pulley supports smooth power transfer and can help reduce sli... https://www.wholetoolbox.com/toro-120-7856-lawn-mower-drive-pulley-b-section/120-7856.html