Compatible with chain drive chamberlain sears craftsman manufactured operators 1984-current
Kit Includes: Gear and sprocket, worm gear, grease, motor shaft bearings, sprocket bearings
Compatible with chamberlain, sears, craftsman and lift master 1/3 and 1/2 HP chain drive models
Easy DIY- complete assembly
Package includes:
Helical gear and top hat assembly, worm gear, wear bushings, grease, and hardware needed to replace the chain drive gears.user’s manual
Practicality
Can be perfectly integrated into your garage door opener
Compatibility
Compatible with chamberlain, sears, craftsman and lift master 1/3 and 1/2 HP chain drive models
Don’t know how to install
How to install the gear and sprocket in a garage door opener – LiftMaster Chamberlain
video : youtu.be/idQvqgMcRM8