This is a new aftermarket replacement for VN1500 Igniter(CDI).
The original ignition number may have been stamped on it 21119-1469, J407171, 21119-1508, J4T08771 (The original part is show in the photo below)
1996-1997 VULCAN 1500D CLASSIC
1998 VULCAN 1500E ClASSIC
The new replacement ignition unit is about the same size as the original part and comes with mounting holes. It is a plug and play (see orange part)
This unit has some improvements over the stock unit: