LIFTMASTER Garage Door Openers 31D380 Chain Drive Sprocket Cover
Compatible with LiftMaster Chamberlain garage door opener chain drive models 1240, 1245, 1250, 1255, 1260, 1260LK, 1245LK, 1240R, 1245R, 1255R, 1265, 2245, 2255, 2265, 2565, 710WHC, 1100, 2100, 4100, 5100, 7200, 1200, 2200, 4200, 6200, 7220, CG40, PD210,