Audi A3 Fog Light Bulb Size
The Audi A3 fog light utilizes H21W and H7 bulb sizes depending on the specific version of the lighting component. Data for the bulb sizes covers the range from 2006 to 2023.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
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Front Fog Light
Years Bulb Size
2022-2024 H11 2020 H8 2017 H11 2014-2016 H8 2009-2013 H11 2008 H11 H7 (For Vehicle Without S-Line Bumper) 2007 H7 H7 (For Vehicle Without S-Line Bumper) 2006 H11 H7 (For Vehicle Without S-Line Bumper)
Rear Fog Light
Bulb Specifications
Description
Bulb Size
ECE standard (Europe & worldwide). Single-filament halogen bulb with PGJ19-2 base. Also approved in the US. 12V, 55W. H11 ECE standard (Europe & worldwide). Single-filament halogen bulb with PGJ19-1 base. Also approved in the US. 12V, 35W. H8 ECE standard (Europe & worldwide). Single-filament halogen bulb with PX26d base. Also approved in the US and Japan. 12V, 55W. H7 ECE standard (Europe & worldwide). Single-filament signalling bulb with BAY9s base. 12V, 21W. H21W