For the 2009 Honda Ridgeline, the low-beam and high-beam headlights both use a 9003 bulb. The supplied fitment data does not identify a projector or non-projector headlight distinction, so verify the existing bulb before ordering.
Fog light fitment is listed as either H11 LED or H16 LED. Front turn signals, parking lights, and front side markers use 3457A bulbs. At the rear, the turn signal uses 7440, while the brake and tail lights use 7443R; the rear side marker is 7443A.
- Daytime running light: 9005
- Reverse light: 921
- Center stop light: 168 or 917
- License plate and trunk lights: 168 or 917
- Dome light: 2825 or 98
Interior applications also include DE3021 for the glove box, DE3175 for the map light, and 24 for the vanity light.