For the 2006 Ford Focus, both the low-beam and high-beam headlights use a 9007 bulb. The headlight fitment listed does not vary by body style or package.
- Fog lights: Models with the street appearance package use H1 bulbs. Without that package, the listed options are H11 LED and H16 LED.
- Front lighting: Front turn signals and parking lights use 3157A bulbs. The front side marker may use either 168NA or 194NA, so compare the original bulb before ordering.
- Rear lighting: Hatchbacks use 4057R for the brake and tail lights, plus 4057 for the rear turn signal. Sedans use 3157R for the brake and tail lights, plus 3157 for the rear turn signal.
- Reverse lights: The sedan listing specifies 3156, while 921 is also listed.
- Other bulbs: Daytime running lights use 3157, and the license plate light uses 6418. Dome and map lights may use 6411, 6428, 2825, or 98 depending on the fixture; compare the original bulb where noted.