2018 Honda Civic Headlight Bulb Size
Low beam
H11
High beam
9005
Order
2 × H11 + 2 × 9005
Low beam takes a H11 and high beam takes a 9005 — different bulbs, two of each. They are not interchangeable.
The 2012–2021 Civic uses these same bulbs — your 2018 sits in the middle of that run. See all Civic years.
2018 Honda Civic bulb chart
| Position | Bulb | Notes |
|---|---|---|
| Low beam | H11 |
Two bulbs, one per side. |
| High beam | 9005 |
Different bulb from low beam — not interchangeable. |
Trim warning
Touring trim came with factory full-LED headlamp assemblies - there is no bulb to replace.
Verified against factory service data and OEM bulb references.
Parts that fit the 2018 Honda Civic
Other vehicles that use the H11
These take the same low beam bulb, so the same bulb fits — only the housing differs.