- Including 2 pieces of garage door opener drive gears.
- Replace part No. 41A2817, 41C4220A, 81B0045
- Specification: hole diameter: 1/2 “, outer diameter: 2 3/4”, number of teeth: 32
- Compatible with all Chamberlain, Sears, Liftmaster, Craftsman, and Raynor residential garage door openers.
- Drive gear replacement 41A2817 41C4220A 81B0045, suitable for more than 170 artisan garage door opener