
PIAA 15223 H3 Xtreme White Plus
$67.15
Buy on Amazon →
Used for: Fog Light Bulb Front
Used for: Fog Light Bulb Front
Used for: Headlight Bulb High Beam
Used for: Headlight Bulb Low Beam
Used for: Back Up Reverse Light Bulb, Turn Signal Light Bulb Rear
Used for: Brake Light Bulb, Side Marker Light Bulb Rear, Tail Light Bulb
Used for: Center High Mount Stop Light Bulb
Used for: Daytime Running Light Bulb, Parking Light Bulb(Avant), Interior Door Light Bulb
Used for: Daytime Running Light Bulb, Parking Light Bulb(Avant), Interior Door Light Bulb
Used for: License Plate Light Bulb, Stepwell Light Bulb, Glove Box Light Bulb, Vanity Mirror Light Bulb
Used for: Side Marker Light Bulb Front, Turn Signal Light Bulb Front Inner
Used for: Turn Signal Light Bulb Front Outer
Used for: Courtesy Light Bulb, Map Light Bulb
Used for: Dome Light Bulb, Engine Compartment Light Bulb
Used for: Dome Light Bulb, Engine Compartment Light Bulb
Used for: Trunk or Cargo Area Light(Avant, Compare to original - Option 1)
Used for: Trunk or Cargo Area Light(Compare to original - Option 2)
Used for: Trunk or Cargo Area Light(Compare to original - Option 2)
This page covers the 2003 Audi S6 and helps you verify bulb sizes by lighting position, so you can match the correct replacement before you buy. Because Audi used different lamps in different areas of the car, the safest approach is to check each location separately instead of assuming one bulb fits every light.
Use the chart on this year page to confirm the bulb type for exterior, interior, and cargo-area lighting. The 2003 Audi S6 can have trim, market, and body-style differences, so the exact fitment may vary between sedan and Avant models or depending on the lighting package installed.
For best results, compare the bulb in the car with the listing on this page before ordering, especially if you are switching between halogen and LED replacements or using aftermarket conversion kits. Some positions on the 2003 Audi S6 use specific factory bulb types that should be matched carefully for beam pattern, brightness, and warning-light compatibility. Trim and package differences can also affect fitment, so the same year and model may not use identical bulbs in every market. If you are unsure, remove the installed bulb and check the base and markings first, then buy the exact replacement size rather than guessing.
The low beam headlight bulb listed for the 2003 Audi S6 is D2S.
The high beam headlight bulb is H1.
The front fog light bulb is listed as H3C or H3.
The front outer turn signal light bulb is 2827.
The front inner turn signal light bulb is 3457A.
Both the rear turn signal light bulb and the back up reverse light bulb are listed as 7506.
The brake light bulb is 7528.
The tail light bulb and rear side marker light bulb are both listed as 7528.
The center high mount stop light bulb is 2723.
The license plate light bulb is 6418.
The dome light bulb is 6411 or 6428, while the map light bulb and courtesy light bulb are listed as 64111.
Those interior positions use the 6418 bulb.
No. The trunk or cargo area light can vary by body style and option. One listing uses 194 or 7441, while the Avant cargo area light may use 6486X depending on the original setup.
No. The daytime running light bulb is listed as 2825 or 98, and the parking light bulb for Avant models is also listed as 2825 or 98.
Because trim, market, and lighting package differences can change fitment. Checking the installed bulb helps confirm the exact base and avoids ordering the wrong part.