The Toro 108-7325 Snow Blower Left Hand Auger Gearcase Assembly transfers rotational power to the auger system on compatible snow blowers. The gearcase houses the gears that drive the auger, supporting snow collection and movement during operation. This replacement assembly can be used when the original gearcase is worn or damaged and requires repair. Check your Toro snow blower model... https://www.wholetoolbox.com/toro-108-7325-snow-blower-left-hand-auger-gearcase-assembly/108-7325.html