Overview Reviews Product Description LiftMaster receiver logic board AC Chain Drive Part Numbers: 41AC050, 41AC050-2, 41AC050-2M Product Videos Product Reviews Write a Review Write a Review × LIFTMASTER LOGIC BOARD (41AC050-2) Review Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments * Recaptcha: