The ME303a Voltage regulator is a genuine Vittorazi part!
 
The ME303a is used on:
Moster 185 Plus:
Dark Evolution, Dual Start (QTY 1 used per engine)
MY'19, Dual Start (QTY 1 used per engine)
MY'20, Dual Start (QTY 1 used per engine)
MY'22, Dual Start (QTY 1 used per engine)
Moster 185 Silent:
Dark Evolution, Dual Start (QTY 1 used per engine)
MY'19, Dual Start (QTY 1 used per engine)
MY'20, Dual Start (QTY 1 used per engine)
 
For any additional help, please don't hesitate to contact us!
For maintenance and installation help, please see the Vittorazi manuals and technical documents.