What headlight bulb does an Audi A3 take in the UK?

For the A3 hatchback halogen headlights version (2013-2021), Auto Bulbs Direct lists dipped beam H7, main beam H15. Headlight bulbs changed between versions, so check the table for your registration year and headlight type.

What sidelight bulb does an Audi A3 take?

A 501 (W5W) for the A3 hatchback halogen headlights (2013-2021). A 501 and a W5W are the same bulb.

Do all A3 versions use the same bulbs?

No. Auto Bulbs Direct lists 14 different sets for the A3 across registration years and headlight types (halogen, with or without daytime running lights, cornering lights). Match yours by registration year, and check the old bulb's base.

Audi A3 bulb numbers (UK)

For the A3 hatchback halogen headlights version (2013-2021, 13 to 21 plates), Auto Bulbs Direct lists dipped beam H7, main beam H15; front fog H8, sidelights 501 (W5W), front indicators PSY24W. Other versions are below - 14 in all.

Key takeaways

A3 hatchback halogen headlights: dipped H7, main H15, sidelight 501 (W5W).
UK number and ECE code name the same bulb: 501 = W5W, 581 = PY21W, 380 = P21/5W, 382 = P21W.
Versions differ by registration year and headlight type - check the old bulb's base.

A3 hatchback halogen headlights 2013-2021 (13 to 21 plates)
Dipped beam	H7
Main beam	H15
Front fog	H8
Sidelight	501 (W5W)
Front indicator	PSY24W

A3 sportback halogen headlights 2013-2020 (63 to 69 plates)
Dipped beam	H7
Main beam	H15
Front fog	H8
Sidelight	501 (W5W)
Front indicator	PSY24W

A3 sportback halogen headlights 2013 (13 plate)
Dipped beam	H7
Main beam	H15
Front fog	H8
Sidelight	501 (W5W)
Front indicator	PSY24W
Brake / tail light	382 (P21W)
Rear indicator	581 (PY21W)
Rear fog	H21W
Reversing light	921 (W16W)
Number plate	239 (C5W)

A3 hatchback halogen headlights 2012-2013 (12 to 62 plates)
Dipped beam	H7
Main beam	H15
Front fog	H8
Sidelight	501 (W5W)
Daytime running light	PS19W
Front indicator	PSY24W

A3 sportback halogen headlights 2012-2013 (12 to 62 plates)
Dipped beam	H7
Main beam	H15
Front fog	H8
Sidelight	501 (W5W)
Daytime running light	PS19W
Front indicator	PSY24W
Brake / tail light	382 (P21W)
Rear indicator	581 (PY21W)
Rear fog	H21W
Reversing light	921 (W16W)
Number plate	239 (C5W)

A3 hatchback halogen headlights 2011-2012 (61 plate)
Dipped beam	H7
Main beam	H7
Front fog	H11
Sidelight	501 (W5W)
Daytime running light	PS19W
Front indicator	PSY24W
Brake / tail light	382 (P21W)
Rear indicator	581 (PY21W)
Rear fog	382 (P21W)
Reversing light	921 (W16W)

A3 sportback halogen headlights 2009-2012 (09 to 61 plates)
Dipped beam	H7
Main beam	H7
Front fog	H11
Sidelight	501 (W5W)
Daytime running light	PS19W
Front indicator	PSY24W
Brake / tail light	382 (P21W)
Rear indicator	581 (PY21W)
Rear fog	H21W
Reversing light	921 (W16W)
Number plate	239 (C5W)

A3 hatchback halogen headlights 2009-2011 (59 to 11 plates)
Dipped beam	H7
Main beam	H7
Front fog	H11
Sidelight	501 (W5W)
Daytime running light	PS19W
Front indicator	PSY24W
Brake / tail light	382 (P21W)
Rear indicator	581 (PY21W)
Rear fog	382 (P21W)
Reversing light	382 (P21W)

A3 hatchback halogen headlights 2009 (09 plate)
Dipped beam	H7
Main beam	H7
Front fog	H11
Sidelight	501 (W5W)
Daytime running light	PS19W
Front indicator	PSY24W
Brake / tail light	955 (W16W)
Rear indicator	581 (PY21W)
Rear fog	H21W
Reversing light	382 (P21W)
Number plate	239 (C5W)

A3 hatchback halogen headlights 2008-2009 (58 plate)
Dipped beam	H7
Main beam	H7
Front fog	H11
Sidelight	501 (W5W)
Daytime running light	PS19W
Front indicator	581 (PY21W)
Brake / tail light	955 (W16W)
Rear indicator	581 (PY21W)
Rear fog	H21W
Reversing light	382 (P21W)
Number plate	239 (C5W)

A3 sportback halogen headlights 2008-2009 (08 to 58 plates)
Dipped beam	H7
Main beam	H7
Front fog	H7
Sidelight	501 (W5W)
Brake / tail light	382 (P21W)
Rear indicator	581 (PY21W)
Rear fog	H21W
Reversing light	921 (W16W)
Number plate	239 (C5W)

A3 hatchback halogen headlights 2008 (08 plate)
Dipped beam	H7
Main beam	H7
Front fog	H11
Sidelight	501 (W5W)
Daytime running light	PS19W
Front indicator	581 (PY21W)
Brake / tail light	382 (P21W)
Rear indicator	581 (PY21W)
Rear fog	H21W
Reversing light	382 (P21W)
Number plate	239 (C5W)

A3 hatchback 2007-2008 (57 plate)
Dipped beam	H7
Main beam	H7
Sidelight	501 (W5W)
Front indicator	581 (PY21W)
Brake / tail light	382 (P21W)
Rear indicator	581 (PY21W)
Rear fog	H21W
Reversing light	382 (P21W)
Number plate	239 (C5W)

A3 sportback halogen headlights 2007-2008 (57 plate)
Dipped beam	H7
Main beam	H7
Sidelight	501 (W5W)
Front indicator	581 (PY21W)
Brake / tail light	382 (P21W)
Rear indicator	581 (PY21W)
Rear fog	382 (P21W)
Reversing light	921 (W16W)
Number plate	239 (C5W)

Versions as Auto Bulbs Direct names them, with UK registration years and plates. These are halogen-headlight cars unless stated; xenon and LED headlights use different bulbs or sealed units.

Bulbs for the Audi A3

For the A3 hatchback halogen headlights (2013-2021). Amazon opens in your own country's store.

H7 headlight bulbDipped beam - A3 hatchback halogen headlightsShop bulbs 501 (W5W) bulbSidelightsShop bulbs PSY24W bulbFront indicatorsShop bulbs

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Same car: UK Audi A3 battery size and UK Audi A3 wiper sizes.

Have a US-market A3? US Audi A3 bulb sizes by year.

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Source: Auto Bulbs Direct's vehicle bulb finder, checked registration plate by registration plate. Bulbs can change with trim level and headlight type, so check the markings on the old bulb (printed on its base) before buying. UK numbers (501, 581, 380...) and ECE codes (W5W, PY21W, P21/5W...) name the same bulb.