For the 2007 Buick LaCrosse, the low-beam headlights use H11 bulbs, while the high beams use H9. The supplied fitment data does not specify a projector or non-projector headlight distinction.
Fog lights and daytime running lights are listed with H11 LED and H16 LED options. Confirm the existing socket and lamp configuration before ordering either option.
- Front turn signal and parking light: 4157NA
- Rear turn signal: 3057
- Brake light: 3057R
- Reverse light: 921
- Center stop light: LED
- Front and rear side markers: 194NA
- License plate lighting: 194 or 7441
Interior applications include 194 or 7441 for the courtesy and glove-box lights, 168 or 917 for dome and map lights, 912 for the trunk, and 7065 for the vanity light.