2 Years Available
Audi S4 Sedan Light Bulb Sizes
Complete bulb size reference for the Audi S4 Sedan from 2005 to 2006. Find headlight, fog light, turn signal, and brake light bulb sizes for every model year.
Our database lists the same H7 low beam bulb for Audi s4-sedan entries from 2005 to 2006. Confirm your trim and factory lighting package before buying.
Year Range
2005 – 2006
2 model yearsBulb Sizes Across Years
| Position | Bulb Type(s) | Years | Status / Shop |
|---|---|---|---|
| Side Marker | 3457NA(2005–2006) | 2 years | Consistent |
| High Beam | H7(2005–2006) | 2 years | Consistent |
| Fog Light | H11(2005–2006) | 2 years | Consistent |
| Low Beam | H7(2005–2006) | 2 years | Consistent |
| Parking Light | 3457NA(2005–2006) | 2 years | Consistent |
| Turn Signal Rear | 7507(2005–2006) | 2 years | Consistent |
| Door Light | W5W(2005–2006) | 2 years | Consistent |
| Trunk Light | W5W(2005–2006) | 2 years | Consistent |
Common S4 Sedan Replacement Parts
Select Your Year
More from Audi
Frequently Asked Questions
We have bulb size data for the Audi S4-Sedan from 2005 to 2006, covering 2 model years. Select your year below for a complete position-by-position bulb chart.
No, the Audi S4-Sedan has used the H7 low beam bulb consistently across all 2 model years in our database. Any year in the 2005–2006 range uses the same bulb.
The Audi S4-Sedan uses a H7 bulb for the low beam (same bulb serves both high and low beam via dual filament), and a H11 for the fog lights. Select your year below for the exact fitment chart.
Yes. The Audi S4-Sedan uses a H7 low beam, and direct-fit LED conversion kits for that size are widely available. LED upgrades typically produce 2–3× more light output than stock halogen and last 25,000+ hours. Look for a DOT-compliant kit with a proper beam cutoff pattern.
Select your model year from the list below. Each year page shows every bulb position — low beam, high beam, fog light, turn signal, and brake light — with the correct size and a link to buy it on Amazon.