Sears Craftsman 139.5399211 Replacement Logic Board Assembly. Garage Door Replacement Parts.
Liftmaster, Chamberlain Compatible (41a5389-D | 41A5389-1E).
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