2019 Audi A4 Bulb Size
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Bulbs Chart
2019 Audi A4 Headlight Bulb High Beam and Low Beam(with HID headlights) (D5S)
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Best Choice
Get up to 200% more vision on the road. Consumes less energy and enhances visibility on the road. Original equipment quality with an Electronic high voltage starter and ballast integrated into the base of this innovative design. DOT compliant with precise light distribution.
Philips D5S Standard Authentic Xenon
Xenon HID Conversion Kit
See more D5S Xenon HID Conversion Kit
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Trustworthy Manufacturer
Upgrade your vehicle's lighting system with these LED headlight bulb kits and enjoy a focused and wider beam, better visibility, and enhanced clarity. With high-quality and reliable products, you can drive with confidence and peace of mind. This aftermarket LED headlight conversion kit is designed to perfectly replace D5S OEM Xenon bulbs...VehiCode D5S LED Headlight Bulb Conversion Kit
LED Lights
2019 Audi A4 Headlights
![ACANII - For [HID/Xenon Model] 2017 2018 2019 Audi A4 LED DRL Projector Headlights Headlamps Pair Replacement Left+Right](https://m.media-amazon.com/images/I/51XiZZqvszL._AC_QL90_UL90_.jpg?ezimgfmt=0)
2019 Audi A4 Tail Lights
Audi A4 Bulb Size By Years
Misconception: many folks assume any bulb that fits will work fine for a 2019 Audi A4. It seems true because sockets look the same and online listings blur differences, so swapping becomes tempting.
What is true: think of it as a matching puzzle—filament type, lumen output, and base size matter for fit and performance. This bulb size chart is a mental model to help you pick the right sockets and replacements for headlights, turn signals, and interior lights without guessing.
Implications and quick recap: using the correct bulb keeps light output, longevity, and safety where they should be. Quick tests: compare base shape, brightness specs, and heat handling before buying. Note: some links on this page are affiliate links, which may earn a small commission at no extra cost to you.
2019 Audi A4 specs
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