Sears Craftsman 139.53859 Garage Door Opener Logic Board Assembly. Garage Door Replacement Parts.
Liftmaster and Chamberlain Compatible (415021-3G | 41A4252-6 [2 Light], 41A4252-7 [1 Light]).
81LM Remote Control Compatible.
66LM Keyless Entry Compatible.
Billion Code.
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