This OEM 45W 19V 2.37A 4.0mm*1.35mm AC Adapter can replace your old with such Part No.:
0A001-00230300217003761, ADP-45AW A, ...ect.
This OEM 45W 19V 2.37A 4.0mm*1.35mm AC Adapter can replace your old with Model:
ZenBook BX21A, ZenBook BX31A, ZenBook BX32A, ZenBook UX21A, ZenBook UX31A, ZenBook UX32A, ...ect.
1* 45W 19V 2.37A 4.0mm*1.35mm AC Adapter