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This part replaces the following legacy #'s : 041A5021-1H-315, 041A5021-4M-315, 041A6135-1A, 041A6148-1, 041A6148-1A
041A5021-1M-315 is a 315MHz Security+ receiver logic board with end panel. Used to convert various 390MHz LiftMaster® garage door openers made from 1997-2005 to an updated 315MHz system. Check the manual for your specific model number before ordering to ensure compatibility.
Genuine LiftMaster® replacement part.