any of the 11 or 13mm Brembo pumps will fit. The all have the 40mm hole pattern. So any italian bike and lot of others as well
Guzzi, Ducati, Aprilia (not the RS125!) Yamaha bikes made by Belgarda in Italy (SZR, Bulldog, MT03, TZR125 4fl,)
PS11Cblack or gold, on this page there is an extensive list of bikes utilizing the 11mm pump.
or perhaps better a
PS13C. Looks the same and costs the same new but being of larger diameter, the mechanical advantage is poorer and so the rear brake doesn't bite as much which is much safer and easier to ride fast.
Banjo are as always with Brembo standard M10x1 and not the Japanese M10x1,25.
I think I have a used black pump (11 or 13?) in the Brembo bin. If you want, I can have a look.