Used for: Fog Light Bulb Rear, Back Up Light Bulb, Back Up Reverse Light Bulb
Used for: Headlight Bulb High Beam, Headlight Bulb Low Beam
Used for: Cornering Light Bulb
Used for: Turn Signal Light Bulb Front
Used for: Glove Box Light Bulb
This page helps you verify bulb sizes for the 2021 Audi Q5 by lighting position, so you can match the correct bulb to the correct lamp before you buy. Whether you are replacing an exterior signal, a cargo light, or an interior map light, checking the position-specific fitment is the safest way to avoid ordering the wrong part.
On the 2021 Audi Q5, many exterior and interior locations use LED lighting, while a few serviceable positions use bulbs such as 921, 194, H8 LED, and 12174NA. Because trim level, market, and lighting package can change the setup, use this page as a guide to confirm the bulb type for each location on your vehicle.
Fitment can vary on the 2021 Audi Q5 depending on trim, body style, and whether the vehicle has a halogen-style, LED, or upgraded lighting package. That matters especially for headlight-related parts and for turn signals or cornering lights that may differ between markets. If you are considering an aftermarket LED conversion, make sure the bulb base, connector, polarity, and available space all match the original housing. The best practice is to check the installed bulb before buying, especially for service items like the 921, 194, or 12174NA positions, since the same model year can still have different equipment from one Q5 to another.
The bulb chart for this page lists the low beam headlight as LED, D5S. Always confirm the exact headlight setup on your Q5 before ordering, since lighting equipment can vary by market and package.
The high beam headlight is listed as LED, D5S on this page. If your Q5 has a different lighting package, verify the installed bulb and housing before purchase.
The front turn signal bulb is listed as 12174NA. This is one of the positions where checking the installed bulb is especially helpful, because trim and regional equipment can affect fitment.
The rear turn signal is listed as LED. Since it is integrated into the rear lamp assembly on many Q5 configurations, confirm the exact lamp design on your vehicle before replacing parts.
The back up light bulb is listed as 921. This is a common service bulb, but you should still verify the installed bulb and socket style before buying replacements.
The rear fog light bulb is listed as 921 on this page. If your vehicle is not equipped with a rear fog light in your market, that position may not be present.
The glove box light bulb is listed as 194. This is a useful reference if you are replacing a small interior bulb and want a direct fit.
The cornering light bulb is listed as H8 LED. Because cornering light equipment can vary, confirm the lamp type on your specific Q5 before ordering.
Yes, several interior positions are listed with LED bulbs, including the dome light, map light, vanity mirror light, trunk or cargo area light, interior door light, and stepwell light. Some of these may be integrated LED units rather than simple replaceable bulbs, so check the exact assembly.
The page lists both the license plate light and parking light as LED. Even when both are LED, the housing and replacement method can differ, so verify the specific location before ordering.
Some owners do use aftermarket LED conversions, but fitment depends on the socket, connector, heat management, and housing design. The safest approach is to match the original bulb type and confirm compatibility before making any upgrade.
Use the bulb position on this page, compare it with the installed bulb in your vehicle, and check whether your Q5 has a different trim or lighting package. This is especially important for headlight, turn signal, and cornering light positions.
