2018 Ford Focus Headlight Bulb Size
Low beam
H7
High beam
H1
Order
2 × H7 + 2 × H1
Low beam takes a H7 and high beam takes a H1 — different bulbs, two of each. They are not interchangeable.
This is the last year that uses H7/H1, which started in 2012. See all Focus years.
2018 Ford Focus bulb chart
| Position | Bulb | Notes |
|---|---|---|
| Low beam | H7 |
Two bulbs, one per side. |
| High beam | H1 |
Different bulb from low beam — not interchangeable. |
| Factory HID | D3S |
Some Focus trims came with factory HID. D3S is a gas-discharge socket — a halogen or LED bulb will not fit it. |
Verified against factory service data and OEM bulb references.
Parts that fit the 2018 Ford Focus
Other vehicles that use the H7
These take the same low beam bulb, so the same bulb fits — only the housing differs.