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Used for: Fog Light Bulb Front
Used for: Headlight Bulb High Beam, Headlight Bulb Low Beam
Used for: Back Up Reverse Light Bulb, Turn Signal Light Bulb Rear
Used for: Brake Light Bulb, Daytime Running Light Bulb, Tail Light Bulb
Used for: License Plate Light Bulb, Courtesy Light Bulb
Used for: Parking Light Bulb, Side Marker Light Bulb Front
Used for: Parking Light Bulb, Side Marker Light Bulb Front
Used for: Turn Signal Light Bulb Front
Used for: Turn Signal Light Bulb Front
Used for: Glove Box Light Bulb, Map Light Bulb, Trunk or Cargo Area Light
This 2010 Audi TT bulb size guide helps you verify the correct bulbs by lighting position, so you can replace a burned-out lamp with confidence. Whether you are working on the coupe or roadster, the exact bulb type can depend on trim, lighting package, and market, so checking the location-specific fitment is the safest way to shop.
On this page, you can match common exterior and interior bulbs for the 2010 Audi TT, including headlights, fog lights, turn signals, brake lights, license plate lights, map lights, and cargo-area bulbs. Using the right bulb for each position helps maintain proper brightness, beam pattern, and road legality while avoiding unnecessary returns.
Fitment can vary on the 2010 Audi TT depending on trim level, factory lighting equipment, and whether the car has halogen or HID-style components in certain positions. Some owners also upgrade to LED replacements, but aftermarket conversions may change color, output, or warning behavior, especially on exterior circuits. Before buying, it is smart to remove the installed bulb and compare the base, shape, and wattage markings to the listing, since the same model year can use different bulbs in different markets or body styles.
The 2010 Audi TT uses a D1S bulb for the low beam headlight position.
The high beam headlight bulb listed for the 2010 Audi TT is D1S.
Front turn signal bulbs are listed as 7507 or 64136 for this model year.
The rear turn signal bulb size listed for the 2010 Audi TT is 921.
The back up or reverse light bulb is listed as 921.
The brake light bulb listed for the 2010 Audi TT is 7506.
The tail light bulb listed for the 2010 Audi TT is 7506.
The daytime running light bulb listed for the 2010 Audi TT is 7506.
The front fog light bulb listed for the 2010 Audi TT is H7.
The license plate light bulb listed for the 2010 Audi TT is 6418.
The map light bulb listed for the 2010 Audi TT is 2825.
The glove box light bulb listed for the 2010 Audi TT is 2825.
Not always. Trim, lighting package, and market can change the bulb used in a given position, so it is best to confirm by location before ordering.
Yes, many positions can be upgraded to LED, but you should check fitment, polarity, brightness, and whether the car may need additional compatibility considerations.