The 9704230 Coupling Blender (Part Number: 9704230) is a crucial component that connects the blender blade assembly to the motor shaft. This essential part ensures efficient blending and smooth operation of your appliance. Customers may need to replace this coupling if the blender is not functioning properly due to wear and tear or damage. It is recommended to have a spare coupling on hand to avoid any inconvenience in the future. With easy installation and durable build, the 9704230 Coupling Blender is a reliable solution to keep your blender running smoothly.