The KitchenAid 240309-2 Worm Gear Assembly, available at PartsFe copyright, is a vital component for KitchenAid stand mixers. This assembly includes the worm gear, responsible for transferring power from the motor to the attachments, enabling mixing, kneading, and other functions. https://partsfe.ca/240309-2-kitchen-aid-gearworm-assyw-shaftbrkt