Buick Regal Stepwell Bulb Size
The Buick Regal stepwell uses bulb size 6411 and bulb size PC74 for the interior lighting components. Data for the specific bulbs covers the range from 1997 through 2016.
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 | US Type | EU Type | Shop |
|---|---|---|---|
| 2011-2016 | 6411 | C10W | Check Price |
| 1997-2000 | PC74 | T5+PCB | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ANSI standard (US & Canada). Festoon bulb, 36mm length, SV8.5 base. 12V, 5W. | 6411 | Check Price |
| ECE standard (Europe & worldwide). Festoon bulb, 44mm length, SV8.5 base. 12V, 10W. | C10W | Check Price |
| ANSI standard (US & Canada). Miniature wedge bulb (T5) with printed circuit board twist-lock socket, for instrument clusters. 12V, 1.4W. | PC74 | Check Price |