Audi S4 2011 Bulb Size
Bulb size chart
This 2011 Audi S4 bulb size guide helps you verify the correct bulbs by lighting position, so you can replace the right part the first time. Whether you are changing a headlight, interior lamp, or exterior signal bulb, matching the bulb to its exact location is the easiest way to avoid fitment mistakes.
The 2011 Audi S4 uses a mix of LED and halogen-style bulb types depending on the lamp position, and some items may vary by market or body style. Use this page to compare the bulb chart by location, then confirm the bulb type before ordering replacement bulbs for your S4.
Fitment can change with trim level, lighting package, body style, and regional equipment, so it is smart to compare your installed bulb to the chart before buying. Some positions may be LED from the factory, while others may use replaceable bulbs or aftermarket LED conversions. If your S4 has been modified, especially with upgraded headlights or fog lights, the original bulb listing may not match what is currently installed. Always check the bulb base, connector, and physical size on the vehicle before purchase, and be careful when replacing bulbs in sealed or high-voltage lighting systems.
FAQ
What bulb size does the 2011 Audi S4 use for the low and high beams?
The headlight bulb for both the high beam and low beam is listed as D3S on this 2011 Audi S4.
What is the front turn signal bulb for the 2011 Audi S4?
The front turn signal bulb is listed as 12272NA.
What bulb does the rear turn signal use on this S4?
The rear turn signal bulb is listed as 7506.
What are the brake light and tail light bulb sizes?
Both the brake light bulb and the tail light bulb are listed as 7506R.
What bulb size is used for the reverse light?
The back up reverse light bulb is listed as 921.
What bulb fits the license plate lights on the 2011 Audi S4?
The license plate light bulb is listed as 6418.
What bulb is used for the glove box, map lights, and trunk light?
Those interior positions are listed with 2825 or 98 bulb types, including the glove box light, trunk or cargo area light, and map light.
Are the side marker and interior door lights the same bulb type?
On this page, both the front side marker light and the interior door light are listed with 2825 or 98 bulb types.
What bulb type is listed for the fog lights?
The front fog light bulb is listed as H11 LED or H16 LED, depending on the setup shown for the vehicle.
Does the 2011 Audi S4 use LED bulbs in some exterior positions?
Yes. The chart lists LED for the center high mount stop light, daytime running light, and stepwell light positions.
Can bulb fitment vary between different 2011 Audi S4 models?
Yes. Trim, lighting package, market, and body style can affect bulb fitment, so it is important to verify the exact lighting position on your car.
Should I check the installed bulb before ordering replacements?
Yes. Checking the installed bulb is the safest way to confirm the correct base and size, especially if the car has been modified or uses aftermarket lighting.