12 Years Available
Audi A3 Light Bulb Sizes
Complete bulb size reference for the Audi A3 from 2006 to 2019. Find headlight, fog light, turn signal, and brake light bulb sizes for every model year.
The Audi a3 changed low beam specifications across model years — 2009–2012: H7 LED; 2017–2019: HID-D5S LED; 2006–2008: HID-D2S LED; 2015–2016: HID-D3S LED. Make sure to select your exact year below to get the right bulb size.
Year Range
2006 – 2019
12 model yearsBulb Sizes Across Years
| Position | Bulb Type(s) | Years | Status |
|---|---|---|---|
| Low Beam | H7 LED(2009–2012) HID-D5S LED(2017–2019) HID-D2S LED(2006–2008) HID-D3S LED(2015–2016) | 12 years | Changed |
| High Beam | H7 LED(2006–2012) HID-D5S LED(2017–2019) HID-D3S LED(2015–2016) | 12 years | Changed |
| Fog Light | H11 LED(2009–2012) H8 LED(2017–2019) H7 LED(2006–2008) 64136(2015–2016) | 12 years | Changed |
| Brake Light | Brake Light Assembly(2006–2016) High Mount Brake Light(2017–2019) | 12 years | Changed |
| Dome Light | 6411(2006–2012) 2825(2015–2019) | 12 years | Changed |
| Side Marker | LED Bulbs(2017–2019) 2827(2006–2008) | 6 years | Changed |
| Turn Signal Front | 12181NA(2015–2019) 12188NA(2009–2012) 2827(2006–2008) | 12 years | Changed |
| License Plate | 6418(2006–2012) 2825(2017–2019) LED Bulb(2015–2016) | 12 years | Changed |
| Map Light | 47830(2006–2012) 2825(2017–2019) | 10 years | Changed |
| Parking Light | 2825(2006–2016) LED Bulbs(2017–2019) | 12 years | Changed |
| Turn Signal Rear | 12496(2009–2012) LED Bulbs(2017–2019) 7506(2006–2008) 5008(2015–2016) | 12 years | Changed |
| Reverse Light | 921(2006–2012) LED Bulbs(2017–2019) H6W(2015–2016) | 12 years | Changed |
| Trunk Light | 2825(2006–2019) | 12 years | Consistent |
Common A3 Replacement Parts
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Frequently Asked Questions
We have bulb size data for the Audi A3 from 2006 to 2019, covering 12 model years. Select your year below for a complete position-by-position bulb chart.
Yes, the Audi A3 changed low beam bulb specifications across generations: 2009–2012: H7 LED; 2017–2019: HID-D5S LED; 2006–2008: HID-D2S LED; 2015–2016: HID-D3S LED. Make sure to check your exact year using the list below.
The Audi A3 uses a H7 LED bulb for the low beam (same bulb serves both high and low beam via dual filament), and a H11 LED for the fog lights. Select your year below for the exact fitment chart.
Yes. The Audi A3 uses a H7 LED 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.