When doing replacement or upgrading on 2003 Hyundai HLD 150, the bulb size guide is necessary for you to take the reference.
Jump to corresponding car model with the catalog bellow.

High Beam and Low Beam Headlight2003 9003
Back Up Light2003 1156
Brake2003 2357
Dome Light2003 DE3175
Front Side Marker2003 97
Front Turn Signal2003 1156
Parking Light2003 168
Rear Turn Signal2003 2357
Tail Light2003 2357
Roof Marker2003 97