2009 Audi A3 Bulb Size

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Bulbs Chart

Headlight Bulb High Beam and Low Beam - D3S

Back Up Reverse Light Bulb - 921

Parking Light Bulb(with halogen headlights) - 2825

Daytime Running Light Bulb(with halogen headlights) - 5201

Side Marker Light Bulb Front(with halogen headlights) - 2825

Glove Box Light Bulb - 2825

Trunk or Cargo Area Light - 2825


2009 Audi A3 Headlight Bulb High Beam and Low Beam (D3S)

    Xenon HID Conversion Kit

  • Best Choice

    Philips D3S Standard Authentic Xenon HID

    Xenon HID lights deliver better light but consume less power. This offers drivers enhanced visibility while allowing the vehicle to save electrical power for other functions. With twice the amount of light, you can see potential obstacles much sooner. At highway speeds, HID lights give you up to a full

See more D3S Xenon HID Conversion Kit

    LED Lights

  • Extremely Bright

    VehiCode D3S LED Headlight Conversion Kit - Xenon Replacement

    Looking for an LED conversion kit that will perfectly replace your OEM D3S D3R D3C Xenon bulb without changing any wiring? Look no further than the VehiCode D3S LED Headlight Conversion Kit. Each all-in-one LED conversion light lamp features mute fan cooling and CAN-bus error decoding, making installation a breeze.

See more D3S LED Lights

2009 Audi A3 Back Up Reverse Light Bulb (921)

    LED Lights

  • Best Choice

    Philips 12789LPB2 Bright White Vision

    Replace your standard car lights with our robust Philips Vision LEDs that deliver dynamic lighting for your vehicle, both inside and out. The innovative design and unmatched performance of Philips Vision LEDs are available for brake and taillights, backup lights, dome lights, and license plate lights. These bulbs are covered

See more 921 LED Lights

2009 Audi A3 Parking Light Bulb(with halogen headlights) (2825)

    LED Lights

  • Premium Pick

    Sylvania White Mini Bulb

    SYLVANIA LED bulbs deliver a balanced combination of performance and value. Tuners and auto enthusiasts alike can replace their vehicle’s incandescent lights with a bright and long-lasting LED bulb for a unique and modern look simply and cost-effectively. 
  • For Car Dome, Map Door, Courtesy, License Plate Lights

    Marsauto LED Light Bulb 6000K Replacement Bulbs

    – Better beam pattern: each bulb has 5 pcs high power SMD led, color temperature: 6000K(xenon white), voltage: 12V – No polarity no flip: it is truly no polarity, can light on two sides, no need more modification or flip, plug and play, easy install within 5 minutes.  Products with electrical plugs

See more 2825 LED Lights

2009 Audi A3 Daytime Running Light Bulb(with halogen headlights) (5201)

    LED Lights

  • Premium Quality

    Auxbeam 5201/5202/9009 LED Fog Light Bulbs, 6500K Xenon White

    Introducing the Auxbeam 5201/5202/9009 LED Fog Light Bulbs, the perfect solution for upgrading your vehicle's fog lights. With their 6500K Xenon White color, these bulbs not only provide a stylish look but also offer enhanced visibility on the road. Featuring advanced 3030-16SMD chipsets, these bulbs deliver high power LED illumination...

See more 5201 LED Lights

2009 Audi A3 Side Marker Light Bulb Front(with halogen headlights) (2825)

    LED Lights

  • Premium Pick

    Sylvania White Mini Bulb

    SYLVANIA LED bulbs deliver a balanced combination of performance and value. Tuners and auto enthusiasts alike can replace their vehicle’s incandescent lights with a bright and long-lasting LED bulb for a unique and modern look simply and cost-effectively. 
  • For Car Dome, Map Door, Courtesy, License Plate Lights

    Marsauto LED Light Bulb 6000K Replacement Bulbs

    – Better beam pattern: each bulb has 5 pcs high power SMD led, color temperature: 6000K(xenon white), voltage: 12V – No polarity no flip: it is truly no polarity, can light on two sides, no need more modification or flip, plug and play, easy install within 5 minutes.  Products with electrical plugs

See more 2825 LED Lights

2009 Audi A3 Glove Box Light Bulb (2825)

    LED Lights

  • Premium Pick

    Sylvania White Mini Bulb

    SYLVANIA LED bulbs deliver a balanced combination of performance and value. Tuners and auto enthusiasts alike can replace their vehicle’s incandescent lights with a bright and long-lasting LED bulb for a unique and modern look simply and cost-effectively. 
  • For Car Dome, Map Door, Courtesy, License Plate Lights

    Marsauto LED Light Bulb 6000K Replacement Bulbs

    – Better beam pattern: each bulb has 5 pcs high power SMD led, color temperature: 6000K(xenon white), voltage: 12V – No polarity no flip: it is truly no polarity, can light on two sides, no need more modification or flip, plug and play, easy install within 5 minutes.  Products with electrical plugs

See more 2825 LED Lights

2009 Audi A3 Trunk or Cargo Area Light (2825)

    LED Lights

  • Premium Pick

    Sylvania White Mini Bulb

    SYLVANIA LED bulbs deliver a balanced combination of performance and value. Tuners and auto enthusiasts alike can replace their vehicle’s incandescent lights with a bright and long-lasting LED bulb for a unique and modern look simply and cost-effectively. 
  • For Car Dome, Map Door, Courtesy, License Plate Lights

    Marsauto LED Light Bulb 6000K Replacement Bulbs

    – Better beam pattern: each bulb has 5 pcs high power SMD led, color temperature: 6000K(xenon white), voltage: 12V – No polarity no flip: it is truly no polarity, can light on two sides, no need more modification or flip, plug and play, easy install within 5 minutes.  Products with electrical plugs

See more 2825 LED Lights

2009 Audi A3 Headlights

2009 Audi A3 Tail Lights

Audi A3 Bulb Size By Years

Misconception: one bulb size fits every socket on a 2009 Audi A3. It seems true because many bulbs look similar and aftermarket catalogs lump models together. Think of it as a tempting shortcut, a mental model that simplifies choices but can lead to mismatch. What is true is the chart lists specific bulb types and locations for a 2009 Audi A3 so you can pick replacements or upgrades with confidence. The implication is less trial-and-error, fewer returns, and safer lighting performance. A useful rule of thumb is to cross-check the chart with your owner's manual or the bulb base markings. Quick tests: remove the bulb to confirm the code, compare part numbers, or measure the base if unsure. Quick recap—this chart helps you match sizes; some links are affiliate, and I may earn a small commission at no extra cost to you.

2009 Audi A3 specs
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