For the 2006 Buick Lucerne, the supplied fitment data lists a 9005 bulb for the high beam. No low-beam bulb is listed, so verify the headlamp assembly and existing bulb before ordering a replacement. Fog-light fitment is shown as either H11 LED or H16 LED; confirm which style your vehicle uses.
Other useful exterior bulb information includes:
- Front turn signal and parking light: 4157NA
- Front and rear side markers: 194NA
- Reverse light: 921
- Brake light: 3057R; rear turn signal: 3057
- Center stop light: LED
- Cornering light: 3157
- License plate and tail-light listings include 194 and 7441
Interior listings include 194 or 7441 for the glove box, 211-2 for the trunk, and 37 for the vanity light. Check the original bulb and socket where multiple sizes are listed.