The York S1-026-47212-000 0.75" Blower Shaft with Keyway is a replacement mechanical component designed to transfer rotational power to compatible HVAC blower assemblies. The shaft connects the motor to the blower wheel, while its keyway helps secure the connection and transmit torque efficiently. Used in compatible York furnaces, air handlers, and commercial HVAC equipment, this comp... https://www.partshnc.com/s1-026-47212-000-york-blower-shaft-w-keyway-0-75