Pontiac LeMans Back Up Light Bulb Size
The Pontiac LeMans back up light utilizes bulb sizes 1156, 1157, and P21W depending on the specific version of the vehicle. Available data covers the range from 1963 to 1981.
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 |
|---|---|---|---|
| 1981 | 1156 | P21W | Check Price |
| 1980 | 1157 | P21/5W | Check Price |
| 1974-1979 | 1156 | P21W | Check Price |
| 1973 | 1157 | P21/5W | Check Price |
| 1972 | 1156 | P21W | Check Price |
| 1971 | 1157 | P21/5W | Check Price |
| 1963-1970 | 1156 | P21W | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| 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). 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 |