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.
The item "Sears Craftsman 139.53910D Receiver Logic Control Board for Garage Door Opener" is in sale since Thursday, September 17, 2015. This item is in the category "Home & Garden\Home Improvement\Building & Hardware\Garage Doors & Openers\Opener Parts". The seller is "gate_openers_unlimited" and is located in Miami, Florida. This item can be shipped to United States, Canada.