Audi A4 Fog Light Bulb Size
The Audi A4 fog light utilizes H7 and 921 bulb sizes for the lighting components. Data for the specified lighting equipment covers the period from 1999 through 2018.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
Front Fog Light
If US Type and EU Type show the same value, a direct cross-reference for this bulb is not available or the data is insufficient.
| Years | US Type | EU Type | Shop |
|---|---|---|---|
| 2017-2018 | 921 | W16W | Check Price |
| 2013-2016 | H8 | H8 | Check Price |
| 2007-2012 | H11 | H11 | Check Price |
| 2002 | H11 | H11 | Check Price |
| 2000-2001 | H7 | H7 | Check Price |
| 1999 | H7 | H7 | Check Price |
| H7 (From VIN 8D-X-200 001) | H7 | Check Price | |
| 1996-1997 | H1 | H1 | Check Price |
Rear Fog Light
| Years | Bulb Type | Shop |
|---|---|---|
| 2020 | H21W | Check Price |
| 2019 | H21W (Halogen, Inner, Without special body measures, Taillight assemblies, standard design) | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ANSI standard (US & Canada). Wedge bulb (T15). 12V, 16W. | 921 | Check Price |
| ECE standard (Europe & worldwide). Single-filament halogen bulb with PGJ19-1 base. Also approved in the US. 12V, 35W. | H8 | Check Price |
| ECE standard (Europe & worldwide). Single-filament halogen bulb with PGJ19-2 base. Also approved in the US. 12V, 55W. | H11 | Check Price |
| ECE standard (Europe & worldwide). Single-filament halogen bulb with PX26d base. Also approved in the US and Japan. 12V, 55W. | H7 | Check Price |
| ECE standard (Europe & worldwide). Single-filament halogen bulb with P14.5s base. Also approved in the US and Japan. 12V, 55W. | H1 | Check Price |
| ECE standard (Europe & worldwide). Single-filament signalling bulb with BAY9s base. 12V, 21W. | H21W | Check Price |