Unisia Jecs fuel injector
Side feed type injector
4 hole nozzle

Nissan 1.6L GA16DE motor
 
Unisia Jecs A46-00
Nissan 16600-57Y01

other part numbers
Airtex 4G1457
AUS MP-10171
Bostech MP4231
BWD 57666
Delphi FJ10155
Hitachi FIJ0018
Echlin 2-18144
GB Reman 842-18117
GP Sorensen 800-1146N