LiftMaster 41A5021-1M-315 receiver logic board assembly. This is a genuine replacement made by LiftMaster. The 41A5021-1M-315 receiver logic board assembly includes the receiver logic board, end panel with stickers and instructions.
Replaces parts: 41A5021-1H-315, 41A5021-4M-315, 41A6135-1A, 41A6148-1 and 41A6148-1A
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Compatible with LiftMaster 1345, 1346, 1355 and 1356 models