0759.46.750 & 0805.46.758 (075946750 & 080546758) - This is an original DUCATI voltage regulator as supplied by Ducati - NOS [new old stock] if you want to call it that.
It fits all late bevel drives, all Pantah, F3 & F1 etc etc. Check out the photo - if yours looks like this one (red or black plastic we stock both), then this is what you need.