Compatible with chain drive units from Liftmaster, Chamberlain, Craftsman, Sears, Master Mechanic and Wayne Dalton. Compatible with 2245, 2255, 2265, PD210, PD212, PD610, PD612K, 1200 Series, 1240, 1245, 1246, 1250, 1255, 1256, 1260, 1265 and more. Not all models listed.
Compatible with CHAIN Drive Chamberlain Sears Craftsman Manufactured operators 1984-current
Includes: Gear and Sprocket, Worm Gear, Grease, Motor Shaft Bearings, Sprocket Bearings,Instructions