Liftmaster Chamberlain Circuit Board 41AC050-2 is compatible with Liftmaster Chamberlain Chain Drive 3265 openers.
Sears Craftsman Garage Door Opener Replacement Circuit Board for Security+ Systems 41AC150-2 is the same board as Liftmaster 41AC050-2. The 41AC050-2 will be shipped. The new Liftmaster board 41AC050-2 needs to be installed on the Sears Craftsman 41AC150-2(41AC150) end panel. Both boards(41AC150-2/41AC150 and 41AC050-2) are manufactured by Chamberlain. If you need further instructions on how to install the board on the 41AC150-2 end panel, please contact us. We are happy to help you.