If your Mighty Mule MM502 control box isn't functioning properly, chances are a quick fix is available with a replacement part. At Gate Opener King we wanted to make it as easy as possible for you to find exactly the right MM502 control box part you need. In the diagram below, simply select the gray numbered diamond of your desired Mighty Mule replacement part and you will be taken to the corresponding page. Or alternatively, select from the list below the diagram. Still not sure what part you need to get your Mighty Mule MM502 control box working like new? Help is only a phone call away at (888) 378-1042 or you can contact us through email at Sales@GateOpenerKing.com. Our trained professionals would be happy to offer their knowledge and get your gate opener back on track.

In the diagram below, select the number of your desired replacement part and you will be taken to the corresponding page. Alternatively, you can select from the list below the diagram and be taken to the corresponding product page.
Part Diagram GTO / Linear Pro / Mighty Mule - Logic Control Board for 2000XL,3000XL,4000XL & MM500 series - R4211 GTO / Linear Pro / Mighty Mule - Transformer, 18 Volt/40VA (UL ONLY) - RB570 GTO / Linear Pro / Mighty Mule - Receiver Assembly with Antenna and 10 ft Cable - AQ201-NB GTO RB500 Battery, 12 Volt, 7.0 Amp Hr. for Automatic Gate Openers Only