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Used for: Fog Light Bulb Front
Used for: Fog Light Bulb Front
Used for: Headlight Bulb High Beam and Low Beam
Used for: Back Up Reverse Light Bulb
Used for: Brake Light Bulb, Tail Light Bulb
Used for: Daytime Running Light Bulb(with halogen headlights)
Used for: License Plate Light Bulb, Courtesy Light Bulb, Vanity Mirror Light Bulb
Used for: Parking Light Bulb(with halogen headlights), Side Marker Light Bulb Front(with halogen headlights), Glove Box Light Bulb, Trunk or Cargo Area Light
Used for: Parking Light Bulb(with halogen headlights), Side Marker Light Bulb Front(with halogen headlights), Glove Box Light Bulb, Trunk or Cargo Area Light
Used for: Parking Light Bulb(with HID headlights), Side Marker Light Bulb Front(with HID headlights)
Used for: Turn Signal Light Bulb Rear
Used for: Dome Light Bulb
Used for: Dome Light Bulb
Used for: Map Light Bulb
This 2011 Audi A3 bulb size guide helps you verify the correct bulbs by lighting position, so you can match the right part before you buy. Because trim and lighting equipment can vary, the same A3 may use different bulb types depending on whether it has halogen or HID headlights, and depending on body style or market.
Use this page as a quick reference for exterior and interior lighting on the 2011 Audi A3. It covers common replacement points such as headlights, daytime running lights, brake lights, turn signals, license plate lights, dome lights, and small cabin bulbs, making it easier to confirm the correct fit for each location.
Fitment on the 2011 Audi A3 can change with trim package, factory lighting options, and regional specifications, so always compare the bulb position on your car with the chart before ordering. Halogen and HID setups do not use the same bulbs in every location, and some owners upgrade to LED replacements or aftermarket conversion kits, which can affect beam pattern, brightness, and warning messages. If possible, check the installed bulb number directly from the old bulb or housing before purchase, especially for fog lights, parking lights, and interior lamps where multiple sizes may appear in the same model year.
The 2011 Audi A3 uses D3S bulbs for the high beam and low beam headlights on HID-equipped models.
For halogen headlight setups, the daytime running light bulb is 5201.
For HID headlight setups, the daytime running light bulb is LED.
The rear turn signal light bulb is 7507.
The back up reverse light bulb is 921.
Both the brake light bulb and the tail light bulb are 7506R.
The front fog light bulb can be H11 LED or H16 LED, depending on the exact lighting setup.
The license plate light bulb is 6418.
The dome light bulb can be 6411 or 6428.
Both the glove box light and the trunk or cargo area light use 2825 or 98 bulbs.
The map light bulb is 64111.
Yes. With halogen headlights, the parking light bulb and front side marker light bulb are 2825 or 98. With HID headlights, both positions use 2827.
Yes. The courtesy light bulb and vanity mirror light bulb are both 6418.
Because the 2011 Audi A3 can vary by trim, lighting package, and market, checking the installed bulb helps confirm the exact fit and avoids ordering the wrong size.