For the 2021 Nissan Sentra, the high beam uses an H9 bulb. Low-beam fitment depends on the headlight assembly: models with halogen headlights use H11, while models with LED headlights use an integrated LED low beam.
Fog-light fitment is listed as H11 LED or H16 LED, so verify the existing fog-light socket and assembly before ordering. Other useful exterior fitments include 3157A bulbs for the front turn signals and parking lights, plus a 7440A bulb for the rear turn signals.
- Brake and tail lights: 7443R with halogen headlights; LED with LED headlights.
- Daytime running lights: H11 LED or H16 LED with HID headlights, and LED with LED headlights.
- Reverse lights: 921.
- Center stop light and map light: LED.
- License plate and front side-marker lights: 2825 or 98.
- Dome light: DE3175; trunk light: 158.