Buick Regal Cornering Bulb Size
The Buick Regal cornering bulb accommodates 3 distinct sizes: 2456, 2356, and 3156, with each size corresponding to specific model configurations. The replacement chart covers vehicle production years spanning 1979 to 2004.
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 |
|---|---|---|---|
| 2002-2004 | 2456 | 2456 | Check Price |
| 2000-2001 | 2356 | 2356 | Check Price |
| 1999 | 2456 | 2456 | Check Price |
| 1998 | 3156 | P27W | Check Price |
| 1997 | 2456 | 2456 | Check Price |
| 1990 | 3057 | 3057 | Check Price |
| 1979-1982 | 1157 | P21/5W | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ANSI standard (US & Canada). Festoon bulb, specialty application. 12V. | 2456 | Check Price |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. 12V. | 2356 | Check Price |
| ANSI standard (US & Canada). Single-filament wedge bulb (T25). 12V, 27W. | 3156 | Check Price |
| ANSI standard (US & Canada). Dual-filament wedge bulb (T25). 12V, 27W/7W. | 3057 | Check Price |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. 12V, 21W/5W. | 1157 | Check Price |
| ECE standard (Europe & worldwide). Dual-filament signalling bulb with BAY15d bayonet base. 12V, 21W/5W. | P21/5W | Check Price |