2006 Ford Focus Light Bulbs Types:
| Bulb | Type |
| Headlamps | HB5 |
| Park and turn lamp (front) | 3157AK or 3157A |
| Side marker lamp (front) | GE194 |
| Foglamps (if equipped) | H11 |
| Stop/turn and tail lamps (wagon) | 3157K |
| Stop/turn and tail lamps (sedan) | 3157K or 4157K |
| Stop/turn and tail lamps (3-door/5-door) | 3057K or 4057K |
| Backup lamp (sedan/wagon) | 3156K or 3156 |
| Backup lamp (3-door/5-door) | 921 |
| License plate lamp | C-5W |
| High-mount brakelamp | W5W |
| Dome lamp (front/rear) | 12V10W |
| Map lamp | 12V6W |
| Luggage compartment | 12V10W |
