Audi A5 2013 Bulb Size
Bulb size chart
If you need bulb sizes for a 2013 Audi A5, this page is designed to help you verify the correct bulb by lighting position instead of guessing from the vehicle name alone. The A5 can use different bulbs depending on the lamp location, and this year page organizes the fitment information so you can quickly match the right bulb for the front, rear, and interior lights.
For the 2013 Audi A5, several exterior and interior positions use LED-type lighting, while others use specific halogen or incandescent bulb numbers. That means the correct replacement can vary by the exact lamp on the car, so checking the position listed on this page is the safest way to find the right match before you buy.
Fitment can vary by trim, lighting package, market, and body style, so always confirm whether your A5 has halogen headlights or HID headlights before ordering bulbs for the front or rear lamps. Some positions also change when the car has factory LED lighting or when an owner has made aftermarket conversions, which can affect what bulb is actually installed. If you are unsure, remove the existing bulb and compare the base, shape, and markings before purchasing a replacement. This is especially important for exterior lighting, where the wrong bulb type can lead to warning lights, poor beam pattern, or a bulb that simply will not fit.
FAQ
What does this 2013 Audi A5 bulb page help me verify?
It helps you match the bulb size to the specific lighting position on the car, such as the headlight, license plate light, dome light, or turn signal. That is more reliable than searching by model name alone because different positions can use different bulb types.
Does the 2013 Audi A5 use the same bulb for every exterior light?
No. The 2013 Audi A5 uses different bulbs depending on the lamp location. Some exterior positions are listed as LED, while others use bulbs such as 921, D3S, 64132, or 7506R depending on the headlight setup.
Which headlight bulb does the 2013 Audi A5 use?
The headlight bulb listed for high beam and low beam is D3S. This applies to the HID headlight setup shown on the page, so it is important to confirm your vehicle’s headlight type before ordering.
What bulb does the reverse light use on the 2013 Audi A5?
The back up reverse light bulb is 921. This is one of the more straightforward fitments on the page and is listed separately from the rear turn signal and tail lamp bulbs.
What is the rear turn signal bulb for halogen headlight models?
For 2013 Audi A5 models with halogen headlights, the rear turn signal light bulb is 921. That fitment is different from the HID-headlight version, so the headlight setup matters.
What is the rear turn signal bulb for HID headlight models?
For 2013 Audi A5 models with HID headlights, the rear turn signal light bulb is listed as LED. Because the page separates HID and halogen configurations, you should match the bulb to your exact lighting package.
What bulbs are used for the front turn signals?
The front turn signal light bulb is 64132. If you are replacing the front indicators, check the bulb base and the lamp housing carefully, since front signal fitment can be easy to confuse with other front lighting positions.
Which interior bulbs are listed for the cabin and storage areas?
The glove box light, trunk or cargo area light, map light, interior door light, and courtesy light are all listed as 2825 or 98. The dome light uses 6411 or 6428, and the vanity mirror light uses 6418.
Are the license plate and parking lights LED on this page?
Yes. The license plate light bulb, parking light bulb, daytime running light bulb, side marker bulbs, stepwell light bulb, and several rear lighting positions are listed as LED on this page.
Why does the page separate HID and halogen lighting?
Because the 2013 Audi A5 can use different bulb types depending on the headlight system. A bulb that fits one version may not fit the other, so separating HID and halogen lighting helps prevent ordering the wrong part.
Can I use aftermarket LED bulbs in place of halogen bulbs on my A5?
Sometimes, but fitment is only part of the issue. Aftermarket LED conversions can affect beam pattern, bulb monitoring, and warning messages, so you should confirm compatibility before switching from the original bulb type.
What should I check before buying replacement bulbs for my 2013 Audi A5?
Check the exact lighting position, your headlight type, and the bulb already installed in the car. Trim and lighting package differences can change fitment, so comparing the old bulb to the replacement is the best way to avoid mistakes.