New Garage Door Opener Gear for Challenger Wayne Dalton Amarr 220315 / P1012

Fits Models::Challenger CH-1000, 9300, 9500, 9300M, 9500M,Wayne-Dalton Wizard 2113, 2115,Allstar Challenger 9300, 9500, Challenger GLE, SE,Amarr 1000, 1500., Size:3"Diameter x 0.75" Thick., Durable Construction: Made from high-quality materials, sturdy, durable, and able to withstand high-strength chain transmission work,ensuring long-lasting performance and reliability., Smooth Operation: Precision-engineered gears and bearings deliver smooth and efficient power transmission., Easy Installation: Straightforward installation process, making it simple to get your device back in action quickly., Important: This is just a gear replacement, you need to add gear grease.