Sears Craftsman 139.53640SRT Garage Opener Receiver Logic Board. Garage Door Replacement Parts. Liftmaster and Chamberlain Compatible.
Liftmaster and Chamberlain Compatible (41A4315-6B | 41A4252-6G).
81LM Remote Control Compatible.
387LM Keyless Entry Compatible.
We always ensure board compatibility. You will receive a perfectly and compatible replacement board that will fit your operator.
THIS IS AN OEM LIFTMASTER PART THAT IS A REPLACEMENT PART FOR THE SEARS CRAFTSMAN GARAGE DOOR OPENERS