Audi TT Courtesy Bulb Size
The Audi TT uses a DE3423 bulb for the courtesy light location according to the provided technical specifications. Data for the bulb application covers the period from 2000 through 2009.
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 Type | Shop |
|---|---|---|
| 2008-2012 | DE3423 | Check Price |
| 2000-2006 | DE3423 | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ANSI standard (US & Canada). Festoon bulb, 41mm length, end-cap contacts. 12V. | DE3423 | Check Price |