For the 2003 Mitsubishi Lancer, both the low-beam and high-beam headlights use a 9007 bulb. The same bulb serves both functions, so confirm the existing bulb and connector before ordering replacements.
Other useful lighting fitments include:
- Front turn signals: 7507 or 2827
- Reverse lights: 921
- Brake and tail lights: 7443R
- Center stop light: 7506
- Front parking lights: 194 or 7441
- Front side markers: 194NA; rear side markers: 7443A
- Rear turn signals: 7507
- License plate lights: 168 or 917
- Dome light: DE3175; trunk light: DE3022
The supplied fitment data does not list a fog-light bulb for this model year. Where more than one bulb is shown, verify the socket and the bulb currently installed on your Lancer before purchasing.