Includes installation tutorial
Kit Includes: 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 lift master 1/3 and 1/2 HP chain drive models, replacement parts
Color Name:1
TCK Replacement parts for Liftmaster 41c4220a and Sprocket Kit fits Chamberlain, Sears, Craftsman 1/3 and 1/2 HP Chain Drive Models