Sears Craftsman 139.53993D Receiver Logic Board Assembly. Garage Door Replacement Parts.
Liftmaster and Chamberlain Compatible (41AS150-R2 | 41AS050-R2).
371LM Remote Control Compatible.
377LM Keyless Entry Compatible.
Security + 315 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