Audi A3 2007 Bulb Size
Bulb size chart
This 2007 Audi A3 bulb size guide helps you verify the correct bulbs by lighting position, so you can replace the right part the first time. Whether you are changing a headlight, a license plate lamp, or an interior light, this page organizes the common bulb fitments for the 2007 Audi A3 in a simple way.
Use the chart below to match each bulb to its location on the car. The 2007 Audi A3 can use different bulbs depending on the lighting setup, and some positions vary by market or body style. Checking the exact lamp location is the best way to avoid buying the wrong replacement.
For the best fit, always confirm your trim, lighting package, and headlight type before ordering. This is especially important on the 2007 Audi A3 because halogen, HID, and adaptive HID setups use different low beam bulbs, and some exterior bulbs may change with factory options or regional specifications. If you are considering LED replacements or aftermarket conversions, compare the bulb base, physical size, and beam pattern to the original bulb before installing anything. When possible, remove the old bulb and read the marking on the base, since that is the most reliable way to confirm fitment before purchase.
FAQ
What bulb does the 2007 Audi A3 use for the halogen low beam headlight?
For 2007 Audi A3 models with halogen headlights, the low beam bulb is H11.
What low beam bulb is used on HID-equipped 2007 Audi A3 models?
Models with HID headlights use a D2S low beam bulb.
What bulb fits the adaptive HID low beam on a 2007 Audi A3?
The adaptive HID low beam uses a D1S bulb.
What is the front outer turn signal bulb on a 2007 Audi A3?
The front outer turn signal bulb is 2827.
What is the front inner turn signal bulb on a 2007 Audi A3?
The front inner turn signal bulb is 7507.
What bulb is used for the rear turn signal on the 2007 Audi A3?
The rear turn signal bulb is 7506.
What bulb fits the brake light and tail light on this car?
Both the brake light and tail light use 7506R bulbs on the 2007 Audi A3.
What bulb is used for the reverse light?
The back up reverse light bulb is 921.
What bulb fits the license plate light?
The license plate light bulb is 6418.
What bulb is used for the courtesy light and glove box light?
Both the courtesy light and glove box light use 6418 and may share the same fitment on this model.
What bulb fits the dome light and map light?
The dome light uses 6411 or 6428, and the map light uses 64111.
What bulb is listed for the parking light on the 2007 Audi A3?
The parking light bulb is listed as 2825 or 98.
What bulb is used for the front side marker?
The front side marker light bulb is 2827.
What bulb fits the center high mount stop light?
The center high mount stop light is listed as LED on this page.
Can fog light bulbs vary on the 2007 Audi A3?
Yes. The front fog light listing includes H11 LED and H16 LED as compare-to-original options, so it is important to verify the existing bulb and housing before ordering.