18 Years Available
Audi Tt Light Bulb Sizes
Complete bulb size reference for the Audi Tt from 2000 to 2019. Find headlight, fog light, turn signal, and brake light bulb sizes for every model year.
The Audi tt changed low beam specifications across model years — 2008–2015: D1S; 2000–2006: H1; 2012: H7. Make sure to select your exact year below to get the right bulb size.
Year Range
2000 – 2019
18 model yearsBulb Sizes Across Years
| Position | Bulb Type(s) | Years | Status / Shop |
|---|---|---|---|
| Trunk Light | 2825(2008–2019) W5W(2000–2016) | 18 years | Changed |
| Door Light | W5W(2013–2016) | 4 years | Consistent |
| Low Beam | D1S(2008–2015) H1(2000–2006) H7(2012–2012) | 14 years | Changed |
| High Beam | D1S(2008–2015) H7(2000–2012) | 14 years | Changed |
| Fog Light | H11(2011–2015) H7(2008–2010) | 8 years | Changed |
| Turn Signal Front | 7507(2008–2015) | 8 years | Consistent |
| Turn Signal Rear | 921(2008–2015) | 8 years | Consistent |
| Map Light | 2825(2008–2015) W5W(2012–2012) | 8 years | Changed |
| Reverse Light | 921(2008–2015) | 8 years | Consistent |
| Side Marker | W5W(2000–2006) 64132(2008–2010) 2827(2011–2011) | 10 years | Changed |
| License Plate | 6418(2008–2011) | 4 years | Consistent |
| Parking Light | 64132(2008–2010) 2827(2011–2011) | 4 years | Changed |
| Brake Light | 7528(2000–2006) | 6 years | Consistent |
| Tail Light | 7528(2000–2006) | 6 years | Consistent |
Common Tt Replacement Parts
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Frequently Asked Questions
We have bulb size data for the Audi Tt from 2000 to 2019, covering 18 model years. Select your year below for a complete position-by-position bulb chart.
Yes, the Audi Tt changed low beam bulb specifications across generations: 2008–2015: D1S; 2000–2006: H1; 2012–2012: H7. Make sure to check your exact year using the list below.
The Audi Tt uses a D1S 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 Tt uses a D1S 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.