Sears Craftsman 139.53491SRT Operator Logic Control Board Replacement. Garage Door Opener Replacement Parts.
Liftmaster and Chamberlain Compatible (41D4674-9D | 41D4674-1G).
81LM Remote Control Compatible.
387LM 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