2008 Toyota Tacoma headlight fitment uses a 9003 bulb for both the low-beam and high-beam headlights. The supplied fitment data does not list a separate headlight bulb by trim or housing style, so confirm the existing bulb and headlamp assembly before ordering.
Other useful exterior lighting sizes include 4157NA for the front turn signals and parking lights, 2827 for the front side markers, and 3157R for the brake and tail lights. The rear turn signals use 3157A bulbs, while the reverse lights use 921 bulbs.
- Headlights: 9003 low beam and 9003 high beam
- Front turn signal and parking light: 4157NA
- Brake and tail light: 3157R
- Rear turn signal: 3157A
- Reverse light: 921
- Dome light: 578
The center stop light and license plate lights are listed with 168 or 917 bulbs, and the map lights also use 168 or 917. These options indicate that the fixture should be checked before replacement.