Audi A3 Sportback e-tron Tail Light Bulb Size
The Audi A3 Sportback e-tron tail light requires bulb size 7440 or 921 depending on the specific component configuration. Data for the bulb specifications covers the range from 2016 to 2018.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
Bulb Size by Year Range
| Years | Bulb Size |
|---|---|
| 2017-2018 | 7440 |
| 2016 | 921 (With Halogen Capsule Headlamps) |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Single-filament wedge bulb (T20). 12V, 21W. | 7440 |
| ANSI standard (US & Canada). Wedge bulb (T15). 12V, 16W. | 921 |