5 Years Available
Audi S3 Light Bulb Sizes
Complete bulb size reference for the Audi S3 from 2015 to 2019. Find headlight, fog light, turn signal, and brake light bulb sizes for every model year.
The Audi s3 changed low beam specifications across model years — 2017–2019: LED Headlights; 2015–2016: HID-D3S LED. Make sure to select your exact year below to get the right bulb size.
Year Range
2015 – 2019
5 model yearsBulb Sizes Across Years
| Position | Bulb Type(s) | Years | Status |
|---|---|---|---|
| Low Beam | LED Headlights(2017–2019) HID-D3S LED(2015–2016) | 5 years | Changed |
| High Beam | LED Headlights(2017–2019) HID-D3S LED(2015–2016) | 5 years | Changed |
| Fog Light | LED Fog Light(2017–2019) 64136(2015–2016) | 5 years | Changed |
| Brake Light | LED Bulb(2015–2019) | 5 years | Consistent |
| Side Marker | LED Bulb(2017–2019) | 3 years | Consistent |
| Turn Signal Front | LED Bulb(2017–2019) 12181NA LED(2015–2016) | 5 years | Changed |
| Turn Signal Rear | LED Bulb(2015–2019) | 5 years | Consistent |
| Dome Light | 2825(2015–2019) | 5 years | Consistent |
| License Plate | LED Bulb(2015–2019) | 5 years | Consistent |
| Map Light | 2825(2017–2019) | 3 years | Consistent |
| Parking Light | LED Bulb(2015–2019) | 5 years | Consistent |
| Reverse Light | LED Bulb(2015–2019) | 5 years | Consistent |
| Trunk Light | 2825(2015–2019) | 5 years | Consistent |
Common S3 Replacement Parts
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Frequently Asked Questions
We have bulb size data for the Audi S3 from 2015 to 2019, covering 5 model years. Select your year below for a complete position-by-position bulb chart.
Yes, the Audi S3 changed low beam bulb specifications across generations: 2017–2019: LED Headlights; 2015–2016: HID-D3S LED. Make sure to check your exact year using the list below.
The Audi S3 uses a LED Headlights bulb for the low beam (same bulb serves both high and low beam via dual filament), and a LED Fog Light for the fog lights. Select your year below for the exact fitment chart.
Yes. The Audi S3 uses a LED Headlights 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.