I have a brand spanking new Panigale headlight that I bought by mistake. Asking $750, which is $250 less than you'll find it online! The part number is 52010331B.
It will fit the following models:
Ducati Panigale 959 2016
Ducati Panigale 1199 R 2015
Ducati Panigale 1199 R 2016