Audi RS7 Back Up Light Bulb Size
The Audi RS7 back up light utilizes 921 and 12177 bulb sizes for the rear illumination components. Data for the specific lighting requirements covers the period from 2014 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
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.
| Years | US Type | EU Type | Shop |
|---|---|---|---|
| 2016-2018 | 921 | W16W | Check Price |
| 2014-2015 | 12177 | 12177 | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ANSI standard (US & Canada). Wedge bulb (T15). 12V, 16W. | 921 | Check Price |
| Philips part number. Halogen bulb, specialty application. 12V. | 12177 | Check Price |