41A5021 for LiftMaster, Chamberlain or Craftsman openers.

This works with older motors from 1997-2004.

It is compatible

Your opener must have a red/orange square learn button and gray antenna.

Replaces parts: 41A5021-1, 41A5021-1B, 41A5021-1C, 41A5021-1CA, 41A5021-1D, 41A5021-1E, 41A5021-1F, 41A5021-1G, 41A5021-1H, 41A5021-6E and 41A5021-6F