Audi A3 2017 Bulb Size
Bulb size chart
This 2017 Audi A3 bulb size page is organized by lighting position so you can quickly verify the correct bulb for each exterior and interior lamp. Whether your car has halogen, HID, or LED headlights, the fitment can change by trim and lighting package, so checking the exact location is the safest way to match the right replacement.
Use this guide to identify common bulbs for the 2017 Audi A3, including low beam, high beam, turn signal, brake light, license plate, dome, map, and cargo area lights. The listings below help narrow down the correct bulb size before you buy, which is especially useful when your A3 uses different parts depending on body style or market.
Fitment on the 2017 Audi A3 can vary a lot by trim, package, and headlight type, so always confirm whether your car has halogen, HID, or factory LED lighting before ordering. Some positions use different bulb types on halogen versus LED-equipped cars, and aftermarket LED conversions may require a different bulb or additional hardware to work correctly. If you are unsure, check the bulb already installed in the vehicle and compare it to the listing on this page before purchasing replacements.
FAQ
Does the 2017 Audi A3 use the same bulb sizes on every trim?
No. Trim level, lighting package, and even market can change the bulb type. The 2017 Audi A3 may use different bulbs for halogen, HID, and LED headlights, so the correct fitment depends on your exact configuration.
What bulb does the 2017 Audi A3 use for the low beam?
For A3 models with LED headlights, the low beam is listed as LED. If your car has a different headlight setup, verify the exact headlight type before buying a replacement.
What is the high beam bulb on a 2017 Audi A3 with halogen headlights?
The high beam bulb for 2017 Audi A3 models with halogen headlights is H15.
What high beam bulb is used on the 2017 Audi A3 with HID headlights?
The high beam bulb for the HID headlight setup is D3S.
What bulb size is used for the halogen daytime running light on a 2017 Audi A3?
The daytime running light bulb for halogen headlight models is H15.
What bulb does the rear turn signal use on a halogen 2017 Audi A3?
The rear turn signal bulb for halogen headlight models is 5008.
What bulb fits the front turn signal on a halogen 2017 Audi A3?
The front turn signal bulb for halogen headlight models is 64132.
What bulb is used for the brake light on a halogen 2017 Audi A3?
The brake light bulb for halogen headlight models is 7440R.
What bulb size is used for the backup light on a 2017 Audi A3?
Two backup light options are listed: 64132 for one original-equipment comparison option and LED for the other listed option. Check your installed bulb or the vehicle’s lighting setup before ordering.
What bulb fits the license plate light on the 2017 Audi A3?
The license plate light bulb is listed as LED on this page.
What interior bulbs use 2825 or 98 on the 2017 Audi A3?
Several interior and utility lights use 2825 or 98, including the glove box light, trunk or cargo area light, dome light, map light, interior door light, and parking light on halogen-headlight models.
What bulb does the vanity mirror light use?
The vanity mirror light bulb is 6418.
Are the tail light bulbs different on LED and halogen versions of the 2017 Audi A3?
Yes. LED-equipped models list LED tail light bulbs, while halogen-headlight models use 921 for the tail light bulb.
Should I check the installed bulb before buying a replacement?
Yes. That is the best way to avoid ordering the wrong part, especially on a 2017 Audi A3 where lighting equipment can vary by trim, package, and body style.