LIFTMASTER Garage Door Openers 41D3452 Limit Switch Assembly
Compatible with chain drive garage door openers from 1986 to current made by LiftMaster, Chamberlain, Sears Craftsman, Wayne-Dalton, Master Mechanic and Chamberlain Brand door openers. Garage door opener chain drive models 1140, 1145, 1146, 1150, 1155, 1