21 Years Available
Audi A4 Light Bulb Sizes
Complete bulb size reference for the Audi A4 from 1996 to 2019. Find headlight, fog light, turn signal, and brake light bulb sizes for every model year.
Year Range
1996 – 2019
21 model yearsBulb Sizes Across Years
| Position | Bulb Type(s) | Years | Status |
|---|---|---|---|
| Low Beam | HID-D3S LED(2009–2016) HID-D2S LED(2000–2006) HID-D5S LED(2017–2019) HID-D1S LED(2007–2008) H7 LED(1996–1997) | 21 years | Changed |
| High Beam | HID-D3S LED(2009–2016) H9 LED(2002–2006) H7 LED(1996–2001) LED Headlights(2017–2019) HID-D1S LED(2007–2008) | 21 years | Changed |
| Fog Light | H11 LED(2002–2011) H8 LED(2013–2016) LED Fog Light(2017–2019) H7 LED(2000–2001) H1 LED(1996–1997) | 21 years | Changed |
| Brake Light | LED Bulb(2002–2016) Brake Light Assembly(2004–2019) 2723(2000–2001) 2825(1996–1997) | 21 years | Changed |
| Side Marker | 2825(1996–2011) LED Bulb(2013–2019) 3457AK(2004–2006) 5007(2002–2003) | 21 years | Changed |
| Turn Signal Front | 12181NA(2013–2019) 2827(2000–2006) 12272(2009–2011) 7506(2007–2008) 2357NA(1996–1997) | 21 years | Changed |
| Turn Signal Rear | 7506(1996–2014) LED Bulb(2015–2019) 12496(2002–2003) | 21 years | Changed |
| Reverse Light | 7506(1996–2008) 921(2009–2016) LED Bulbs(2017–2019) | 21 years | Changed |
| Trunk Light | 2825(2004–2016) 6418(1996–2008) LED Light(2017–2019) | 21 years | Changed |
| Dome Light | 6411(1996–2016) 6418 or 6411(2009–2011) | 15 years | Changed |
| License Plate | 6418(1996–2011) LED Bulb(2013–2016) | 18 years | Changed |
| Map Light | 47830(2000–2008) 2825(2009–2016) 6418(1996–1997) | 18 years | Changed |
| Parking Light | 2825(2004–2008) LED Bulb(2013–2016) 3457AK(2002–2003) 64132(2000–2001) 2357NA(1996–1997) | 15 years | Changed |
Select Your Year
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Frequently Asked Questions
We have bulb size data for the Audi A4 from 1996 to 2019, covering 21 model years.
Yes, the Audi A4 has used different bulb sizes across model years. Check the bulb evolution table above to see exactly which sizes were used in which years.
The most commonly used low beam headlight bulb for the Audi A4 is the HID-D3S LED. Select your specific year below for the exact fitment.
Yes, you can upgrade your Audi A4 headlights to LED. Look for an LED conversion kit in the HID-D3S LED size for the low beams. LED bulbs offer better visibility and longer lifespan.
Select your Audi A4 year from the list below. Each year page shows every bulb position with the correct size and links to purchase on Amazon.