For the 2013 Ford Focus, the high-beam headlight uses an H1 bulb. Low-beam fitment depends on the headlight type: models with halogen headlights use H11, while models with HID headlights use D8S. Confirm whether the vehicle has halogen or HID headlamps before ordering.
Other notable lighting fitments include the following:
- Fog lights: H11 LED or H16 LED
- Front turn signals: 7440
- Brake and tail lights: 3157R
- Rear turn signals: 3757A
- Reverse lights: 921
- Parking and front side-marker lights: 168NA
- Rear side-marker lights: 3157A
- Dome light: 64111
- Trunk light: 2825 or 98
The center stop light and license plate light are listed as LED applications. Check the original bulb and the lighting configuration on your Focus, particularly for the fog lights and headlights, before purchasing replacements.