Audi A3 Tail Light Bulb Size

The Audi A3 tail light bulb size chart specifies replacement bulbs including 12961, 921, P21W, and 7506 sizes for inner, outer, and standard tail light applications. The replacement chart covers vehicle production years from 2006 to 2024 with corresponding bulb size specifications.

The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.

Inner Tail 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.

YearsUS TypeEU TypeShop
2023-20241296112961Check Price
2019-2021921W16WCheck Price

Outer Tail 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.

YearsUS TypeEU TypeShop
2022-20241156P21WCheck Price
2020-202175067506Check Price
20197506 (Without special body measures, standard tail assembly)7506Check Price

Tail 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.

YearsUS TypeEU TypeShop
2020921W16WCheck Price
20197440W21WCheck Price
2017-2018921W16WCheck Price
2014-2016921 (With Halogen Capsule Headlamps)W16WCheck Price
2006-201375067506Check Price

Bulb Specifications

Description Type Shop
Philips part number. Miniature wedge bulb (T10) with W2.1x9.5d base. 12V, 5W.12961Check Price
ANSI standard (US & Canada). Wedge bulb (T15). 12V, 16W.921Check Price
ECE standard (Europe & worldwide). Single-filament signalling bulb with BA15s bayonet base. 12V, 21W.P21WCheck Price
ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W.1156Check Price
ANSI standard (US & Canada). Single-filament wedge bulb (T20). 12V, 21W.7440Check Price

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