Sears Craftsman 139.53989 Receiver Logic Control Board for Door Opener. Garage Door Replacement Parts.
Liftsmater, Chamberlain Compatible (41A5483-2B | 41A5483C).
971LM Remote Control Compatible.
976LM Keyless Entry Compatible.
Security + 390 MHz.
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