5 Years Available
Audi Q3 Light Bulb Sizes
Complete bulb size reference for the Audi Q3 from 2015 to 2019. Find headlight, fog light, turn signal, and brake light bulb sizes for every model year.
The Audi q3 changed low beam specifications across model years — 2016–2018: HID-D5S LED; 2019: LED Headlights; 2015: 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 | HID-D5S LED(2016–2018) LED Headlights(2019–2019) HID-D3S LED(2015–2015) | 5 years | Changed |
| High Beam | HID-D5S LED(2016–2018) LED Headlights(2019–2019) HID-D3S LED(2015–2015) | 5 years | Changed |
| Fog Light | 921(2015–2018) LED Fog Light(2019–2019) | 5 years | Changed |
| Brake Light | LED Bulb(2015–2019) | 5 years | Consistent |
| Dome Light | LED Bulb(2019–2019) | 1 years | Consistent |
| Side Marker | LED Bulb(2015–2019) | 5 years | Consistent |
| Turn Signal Front | 12181NA(2015–2018) LED Bulb(2019–2019) | 5 years | Changed |
| Map Light | 2825(2015–2018) LED Bulb(2019–2019) | 5 years | Changed |
| Parking Light | LED Bulb(2015–2019) | 5 years | Consistent |
| Turn Signal Rear | LED Bulb(2015–2019) | 5 years | Consistent |
| Reverse Light | 921(2015–2018) LED Bulb(2019–2019) | 5 years | Changed |
| Trunk Light | 2825(2015–2018) LED Light(2019–2019) | 5 years | Changed |
Common Q3 Replacement Parts
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Frequently Asked Questions
We have bulb size data for the Audi Q3 from 2015 to 2019, covering 5 model years. Select your year below for a complete position-by-position bulb chart.
Yes, the Audi Q3 changed low beam bulb specifications across generations: 2016–2018: HID-D5S LED; 2019–2019: LED Headlights; 2015–2015: HID-D3S LED. Make sure to check your exact year using the list below.
The Audi Q3 uses a HID-D5S LED bulb for the low beam (same bulb serves both high and low beam via dual filament), and a 921 for the fog lights. Select your year below for the exact fitment chart.
Yes. The Audi Q3 uses a HID-D5S 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.