2018 Honda Civic bulb fitment varies by headlight equipment. The low beam is listed as LED or H11, while the high beam is listed as LED or 9005. Confirm whether the vehicle has LED or halogen-style headlights before ordering.
- Front turn signals use 7440A with halogen headlights and are LED with LED headlights.
- Reverse lights use 64132 on the Coupe or 921 where listed without a body-style condition.
- Brake lights vary by body style: 7506R for the Coupe and 7440R for the Hatchback.
- Rear turn signals use 7507 on the Coupe and 7440A on the Hatchback.
- The center stop light is 7440 on the Sedan or LED where listed without that condition.
Daytime running lights, parking lights, tail lights, rear side markers, and license plate lights are listed as LED. The front side marker uses 2821. Interior listings include 194 or 7441 for dome and map lights, plus 168 or 917 for the trunk light.