Audi Q7 2018 Bulb Size
Bulb size chart
The 2018 Audi Q7 uses a mix of LED, HID, and standard bulb positions depending on the headlight package and market, so it is important to verify the exact lighting setup before ordering replacements. This page helps you confirm bulb sizes by lighting position, making it easier to match the correct bulb for the front, rear, and interior lights on your Q7.
If you are replacing a burned-out bulb or planning a maintenance refresh, the 2018 Audi Q7 bulb chart can save time and reduce guesswork. From headlight and daytime running light positions to license plate, cargo, dome, and mirror lights, the fitment details here are organized to help you find the right bulb for your specific configuration.
Fitment can vary by trim, lighting package, body style, and market, so always compare your vehicle’s installed bulb and housing before buying. Some 2018 Q7 models use LED lighting in many exterior positions, while others may use HID headlamps or different front turn signal hardware depending on the setup. If you are considering an aftermarket LED conversion, check for compatibility with the housing, warning messages, and beam pattern, since not every swap will perform the same as the factory bulb. The safest approach is to confirm the bulb type already installed in your vehicle and then match it before purchasing replacements.
FAQ
What bulb does the 2018 Audi Q7 use for the low beam headlights?
The low beam bulb depends on the headlight package. Q7 models with LED headlights use LED low beam lighting, while models with HID headlights use a D5S bulb for the high and low beam setup.
What is the high beam bulb on a 2018 Audi Q7?
High beam fitment also depends on the headlight type. With LED headlights, the high beam is LED. With HID headlights, the high and low beam function uses a D5S bulb arrangement.
Does the 2018 Audi Q7 use LED daytime running lights?
Yes, the 2018 Audi Q7 uses LED daytime running light bulbs according to the bulb chart for this year and model.
What bulb is used for the front turn signal on a 2018 Q7 with LED headlights?
For Q7 models equipped with LED headlights, the front turn signal light bulb is listed as LED.
What bulb is used for the front turn signal on a 2018 Q7 with HID headlights?
For Q7 models equipped with HID headlights, the front turn signal light bulb is listed as 64132.
What bulb fits the rear turn signal on the 2018 Audi Q7?
The rear turn signal light bulb is listed as LED for this vehicle.
What bulb size is used for the backup reverse light on a 2018 Audi Q7?
The backup reverse light bulb is 921.
What bulb is used for the rear fog light on a 2018 Q7?
The rear fog light bulb is 921.
What bulb fits the license plate lights on a 2018 Audi Q7?
The license plate light bulb is listed as LED.
What bulb is used for the brake lights and tail lights on this Q7?
The brake light bulb is LED, and the tail light bulb is also LED on the 2018 Audi Q7.
What bulb does the center high mount stop light use?
The center high mount stop light bulb is LED.
What bulb is used for the side marker lights on the 2018 Audi Q7?
The front side marker light bulb is LED, and the rear side marker light bulb is 2821.
What interior bulbs are listed for the 2018 Audi Q7?
Interior bulb positions include vanity mirror, glove box, trunk or cargo area, dome, map, stepwell, and interior door lights. The interior door light bulb is listed as 2825 or 98.
Should I check my installed bulb before ordering for a 2018 Audi Q7?
Yes. Because trim and lighting package differences can change fitment, it is best to verify the installed bulb and compare it with the bulb chart before purchasing.