Used for: Fog Light Bulb Front
Used for: Headlight Bulb High Beam, Headlight Bulb Low Beam
Used for: Headlight Bulb High Beam, Headlight Bulb Low Beam
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, Tail Light Bulb
Used for: Daytime Running Light Bulb
Used for: License Plate Light Bulb, Dome Light Bulb
Used for: Parking Light Bulb, Side Marker Light Bulb Front, Courtesy Light Bulb, Glove Box Light Bulb, Map Light Bulb, Trunk or Cargo Area Light
Used for: Turn Signal Light Bulb Front
This 2008 Audi A5 bulb size guide helps you verify the correct bulb by lighting position, so you can match the right part before you buy. Because the A5 can use different lighting setups depending on trim, market, and body style, checking the exact location on the vehicle is the safest way to confirm fitment.
Use this page to compare the bulb type for each exterior and interior light on your 2008 Audi A5, including headlights, fog lights, turn signals, brake lights, license plate lights, and cabin bulbs. If you are replacing only one bulb, matching the position on the chart is the easiest way to avoid ordering the wrong size.
Fitment can vary on the 2008 Audi A5 based on trim package, factory lighting options, and whether the car was equipped with halogen or HID-style headlamps. Some positions may also accept LED replacements or aftermarket conversions, but those upgrades can require additional hardware, resistors, or coding to work correctly and avoid warning messages. Before placing an order, it is smart to remove the installed bulb and compare the base, connector, and markings to the chart, especially for headlights, daytime running lights, and rear signal bulbs where variations are more common.
The low beam headlight on the 2008 Audi A5 may use D3S, H7, or H7 LED depending on the vehicle’s lighting setup.
The high beam headlight on the 2008 Audi A5 may use D3S, H7, or H7 LED, so it is important to confirm the installed setup before ordering.
The front fog light bulb listed for the 2008 Audi A5 is H11.
The daytime running light bulb listed for the 2008 Audi A5 is H8 LED.
The front turn signal bulb listed for the 2008 Audi A5 is 64136.
The rear turn signal bulb listed for the 2008 Audi A5 is 921.
The back up reverse light bulb listed for the 2008 Audi A5 is 921.
Both the brake light and tail light bulbs listed for the 2008 Audi A5 are 7506.
The license plate light bulb listed for the 2008 Audi A5 is 6418.
The dome light bulb listed for the 2008 Audi A5 is 6418.
Those interior and cargo-area positions on the 2008 Audi A5 are listed with 2825 bulbs.
Yes. The chart lists LED for the center high mount stop light and rear side marker light, and it also lists H8 LED for the daytime running light.
Yes. Trim level, lighting package, body style, and market can change the bulb used in certain positions, especially the headlights and exterior signal lights.
Yes. Checking the installed bulb is the best way to confirm the exact fit, especially if the car has been modified or uses a different factory lighting package.
