For Liftmaster 41c4220a Gear and Sprocket Kit

Kit Includes: Gear and sprocket, Worm gear, Grease,Motor shaft bearings, Sprocket bearings. Compatible with chain drive Chamberlain sears Craftsman operators 1984-current. Compatible with Chamberlain, Sears, Craftsman and liftmaster 1/3 and 1/2 HP chain drive models, Replacement parts.