Need help finding a compatible controller

[bbelair62]

I have a kugoo g3 1200w 18ah 52v bldc motherboard controller and i wanted to swap it with something more reliable than the manufacturer controller but i need help fi ding a controller with wires and adapters and such please someone help me its a brushless dc motor with hall sensors 3 speeds

 

[E-HP]

In order to determine what would be more reliable, maybe you can describe how the stock controller failed?