For the 2017 Ford Flex, both the low-beam and high-beam headlight bulbs depend on the factory headlight type. Models with halogen headlights use H13 bulbs for both functions, while models with HID headlights use D3S bulbs for both low and high beam. Confirm the headlight configuration before ordering.
Other exterior lighting also varies in some configurations:
- Fog lights are listed with H11 LED or H16 LED bulbs.
- Front turn signals and parking lights use 3457A bulbs.
- Front and rear side markers differ by headlight type: halogen models use 168NA and 194NA, while HID models use LED units.
- Rear lighting includes configuration-specific options. Halogen models may use 4157R, 168, 917, or 4157 bulbs depending on the function and lamp assembly; HID models use LED lighting in the listed rear positions.
- Reverse lights use 921 bulbs, and the license plate lights use 6418 bulbs.
Interior fitments include 578 bulbs for the dome and trunk lights, 161 for the glove box, and 2825 or 98 for the map lights.