This 8 Tooth Belt Sprocket sits on top of the power head. The chain goes around the sprocket and the teeth on it grip the chain so it stays on track. Replace your broken sprocket and have your garage door opener running smoothly again. For Genie
This 14 Tooth Belt Sprocket sits on top of the power head. This belt drive sprocket grips on the belt so it can stay on its tracks. This part will allow you to quickly replace your old sprocket to get your opener back up and running smoothly.