Cadillac CT6 Turn Signal Bulb Size
The Cadillac CT6 rear turn signal requires a 921 bulb size for proper illumination. The replacement chart covers 2016 to 2018 production years with corresponding bulb specifications.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
Rear Turn Signal
| Years | US Type | EU Type | Shop |
|---|---|---|---|
| 2016-2018 | 921 | W16W | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ANSI standard (US & Canada). Wedge bulb (T15). 12V, 16W. | 921 | Check Price |