2017 Ford Fiesta headlight fitment: The low-beam headlight uses an H11 bulb, while the high-beam headlight uses an H1 bulb. The supplied fitment data does not indicate separate bulb requirements by headlight style or configuration, so these are the listed applications for this model year.
For exterior lighting, the front turn signal and parking light use 3157A bulbs. The front side marker uses 168NA. At the rear, the brake and tail lights use 3157R bulbs, while the rear turn signal and rear side marker use 3157A. The reverse light takes a 921 bulb.
- Center stop light: LED
- License plate light: 2825 or 98
- Dome light: 2886X
- Map and trunk lights: 2825 or 98
Check the existing bulb and socket before ordering where more than one size is listed, particularly for the license plate, map, and trunk lighting. No fog-light bulb application is included in the supplied fitment data.