AUDI A4 (B9) Light Bulb Sizes

Below is a list of light bulb types used in 2015- AUDI A4 lighting system, covering estate and saloon 4-door vehicles.

Front exterior lights

Headlight bulb: low beam - D5S / high beam - D5S

Fog light bulb: H8

Rear exterior lights

Rear indicator/turn signal bulb: PY21W

Tail light bulb: P21W or W16W

Brake light bulb: P21W or W16W

Back-up light bulb: W16W

Rear fog light bulb: H21W

Interior lights

Glove compartment light bulb: W3W

Light bulb sizes for other AUDI A4 generations: A4 (B5) / A4 (B6) / A4 (B7) / A4 (B8)