For the 2006 Honda Insight, both the low-beam and high-beam headlights use a 9003 bulb. The supplied fitment data does not list a separate fog-light bulb, and no headlight-type variation is specified.
Other useful replacement details include:
- Front and rear turn signals use 7440 bulbs.
- Brake and tail lights use 7443R bulbs, while the rear side marker uses 7443A.
- The reverse light uses 921.
- Front parking lights and license-plate lights may use either 168 or 917; verify the installed bulb before ordering.
- The front side marker uses 168NA.
- The center stop light is listed as LED, rather than a replaceable bulb code.
- Dome and map lights may use 2825 or 98, while the trunk light uses DE3021.