For the 1998 Honda Prelude, both the low-beam and high-beam headlights use H1 bulbs. The supplied fitment data does not identify a projector or non-projector headlight distinction, so verify the original bulb and socket before ordering.
Notable exterior lighting includes 7440 bulbs for the front and rear turn signals, reverse lights, and 7443R bulbs for the brake and tail-light functions. The center stop light also uses a 7440 bulb.
- Parking and license-plate lights may use 168 or 917 bulbs.
- Front and rear side markers use 168NA bulbs.
- Dome and map lights may use 2825 or 98 bulbs.
- The ash light requires comparison with the original bulb: the listed options are 2721 and 74.
- The courtesy light uses DE3022, while the trunk light may use 168 or 917.