2012 Audi A3 Bulb Size
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Bulbs Chart
2012 Audi A3 Headlight Bulb High Beam and Low Beam (D3S)
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Best Choice, D3C
POWERFUL LIGHT FROM XENON HID BULBS OFFER MAXIMUM SAFETY: Xenon HID (High Intensity Discharge) headlight bulbs offer twice as much light* for safer driving in all conditions while consuming 50% less power. The intense white light produced by the Xenon HID lamps is comparable to daylight. Studies have demonstrated that...
Philips D3S Standard Authentic Xenon HID
Xenon HID Conversion Kit
2012 Audi A3 Back Up Reverse Light Bulb (921)
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Best Choice
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 coveredPhilips 12789LPB2 Bright White Vision
Halogen Lights
2012 Audi A3 Parking Light Bulb(with halogen headlights) (2825)
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Premium Pick
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.Sylvania White Mini Bulb
Halogen Lights
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For Car Dome, Map Door, Courtesy, License Plate Lights
– 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 plugsMarsauto LED Light Bulb 6000K Replacement Bulbs
LED Lights
2012 Audi A3 Daytime Running Light Bulb(with halogen headlights) (5201)
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Premium Quality
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...Auxbeam 5201/5202/9009 LED Fog Light Bulbs, 6500K Xenon White
LED Lights
2012 Audi A3 Side Marker Light Bulb Front(with halogen headlights) (2825)
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Premium Pick
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.Sylvania White Mini Bulb
Halogen Lights
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For Car Dome, Map Door, Courtesy, License Plate Lights
– 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 plugsMarsauto LED Light Bulb 6000K Replacement Bulbs
LED Lights
2012 Audi A3 Glove Box Light Bulb (2825)
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Premium Pick
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.Sylvania White Mini Bulb
Halogen Lights
-
For Car Dome, Map Door, Courtesy, License Plate Lights
– 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 plugsMarsauto LED Light Bulb 6000K Replacement Bulbs
LED Lights
2012 Audi A3 Trunk or Cargo Area Light (2825)
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Premium Pick
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.Sylvania White Mini Bulb
Halogen Lights
-
For Car Dome, Map Door, Courtesy, License Plate Lights
– 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 plugsMarsauto LED Light Bulb 6000K Replacement Bulbs
LED Lights
2012 Audi A3 Headlights
2012 Audi A3 Tail Lights
Audi A3 Bulb Size By Years
Misconception: picking a replacement bulb for a 2012 Audi A3 is just about matching the old shape. It feels true because headlamp sockets and bulb caps look similar, so it’s easy to assume any matching-looking lamp will fit.
What is true is that fitment depends on specific bulb codes and function — low beam, high beam, fog, turn signal — and those codes vary by model and market. This size chart lists the correct bulb types for each function on a 2012 Audi A3, so you can match the right spec rather than guessing by appearance. The implication is fewer returns, safer lighting, and less time fiddling at the garage.
Quick tests: check the owner’s manual code, compare it to the chart, and test the new bulb in place before closing the housing. Note: some links on the page are affiliate links; I may earn a small commission at no extra cost to you.
2012 Audi A3 specs
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