Buick Regal Back Up Light Bulb Size
The Buick Regal back up light utilizes bulb sizes 921, 3157, 2458, 1156, P21W, and 890 depending on the specific version of the vehicle. Available data for the components spans from 1973 through 2017.
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 |
|---|---|---|---|
| 2014-2017 | 921 | W16W | Check Price |
| 2011-2013 | 3157 | P27/7W | Check Price |
| 1997-2004 | 1156 | P21W | Check Price |
| 1988-1990 | 890 | 890 | Check Price |
| 1973-1987 | 1156 | P21W | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ANSI standard (US & Canada). Wedge bulb (T15). 12V, 16W. | 921 | Check Price |
| ANSI standard (US & Canada). Dual-filament wedge bulb (T25). 12V, 27W/7W. | 3157 | Check Price |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W. | 1156 | Check Price |
| ECE standard (Europe & worldwide). Single-filament signalling bulb with BA15s bayonet base. 12V, 21W. | P21W | Check Price |
| ANSI standard (US & Canada). Single-filament halogen bulb with PG13 base. 12V, 27W. | 890 | Check Price |