Check the listing for details. Sears Craftsman 139.53985DM Receiver Logic Circuit Board for Garage Operator. Condition: New. Listed at 129.95 USD. Sears Craftsman 139.53985DM Receiver Logic Circuit Board for Garage Operator Sears Craftsman 139.53985DM Receiver Logic Circuit Board for Garage OperatorSears Craftsman 139.53985DM Receiver Logic Circuit Board for Garage Operator. Garage Door Replacement Parts. 371LM Remote Control Compatible.377LM Keyless Entry Compatible.Security + 315 MHz. Disclaimer:Board Housing may not fit in your operator due to the fact that is different or your operator is to old. In this case follow these instructions:Remove the screws that ties the new board to the housing.Swap the board from the new housing.Replace it in your old housing.Put the board back in his place on the operator.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 Payments & Returns Policy