Used for: Headlight Bulb Low Beam
Used for: Back Up Reverse Light Bulb
Used for: Daytime Running Light Bulb
Used for: License Plate Light Bulb, Courtesy Light Bulb(Compare to original - Option 2), Vanity Mirror Light Bulb
Used for: Parking Light Bulb, Stepwell Light Bulb, Courtesy Light Bulb(Compare to original - Option 1), Glove Box Light Bulb, Interior Door Light Bulb, Trunk or Cargo Area Light
Used for: Parking Light Bulb, Stepwell Light Bulb, Courtesy Light Bulb(Compare to original - Option 1), Glove Box Light Bulb, Interior Door Light Bulb, Trunk or Cargo Area Light
Used for: Dome Light Bulb
This 2008 Audi S8 bulb size guide helps you verify the correct bulbs by lighting position, so you can replace the right lamp without guesswork. Because the S8 can use different lighting setups depending on market, trim, and body style, checking the bulb chart for each location is the safest way to confirm fitment.
Use this page to match bulbs for exterior lights, interior lights, and convenience lighting on your 2008 Audi S8. Whether you are replacing a burned-out tail lamp, a reverse light, or a cabin bulb, the bulb sizes listed here are organized by position to make shopping and installation easier.
Fitment can vary on the 2008 Audi S8 based on trim, lighting package, and whether the car has factory halogen or LED-related components in certain positions. If you are converting from halogen to LED aftermarket bulbs, make sure the replacement is compatible with the socket, polarity, and any vehicle bulb monitoring system. For the best results, compare the installed bulb before buying, especially for interior and courtesy lights where multiple bulb options may appear similar. When in doubt, remove one bulb and verify the base and size before ordering.
The low beam headlight bulb listed for the 2008 Audi S8 is D2S.
The back up reverse light bulb is 921.
The daytime running light bulb is 7506 for the 2008 Audi S8.
The license plate light bulb is 6418.
The dome light bulb is 64132.
Yes. The parking light bulb, glove box light bulb, trunk or cargo area light, interior door light bulb, stepwell light bulb, and one courtesy light option all use 2825, 98.
The 2008 Audi S8 may use different courtesy light bulb configurations depending on trim or lighting package. One courtesy light option is 2825, 98, and another is 6418.
Yes. The chart lists LED for the center high mount stop light, brake light, tail light, and rear turn signal light positions.
Yes, many owners do, but you should confirm socket fitment, polarity, and compatibility with the car’s lighting system before ordering. Some LED upgrades may need resistors or error-free designs.
It is best to use the chart as a guide and still verify the installed bulb, especially on a 2008 Audi S8 where trim and market differences can affect certain lighting positions.
Check the exact light position, the bulb base, whether the car uses halogen or LED in that location, and whether your vehicle has a lighting package that changes the fitment.
Not always. Trim and lighting package can vary by market and body style, so the bulb size for some positions may differ from one vehicle to another.
