This gear and sprocket assembly is compatible with various LiftMaster® chain drive garage door openers manufactured after 1993.
This complete gear kit includes:
- helical gear and top hat assembly, worm gear, wear bushings, grease, and hardware needed to replace the chain drive gears.
With installation you will receive:
- Programming of your new accessory
- Full Inspection of your garage door system
- Lube and Tune of your door system