Pontiac Grand Am Back Up Light Bulb Size
The Pontiac Grand Am back up light utilizes 912, 3057, P21W, 1156, 2057, and 1157 bulb sizes depending on the specific production version of the vehicle. Available data for the lighting components spans from 1973 through 2000.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
Back Up Light
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 |
|---|---|---|---|
| 1999-2000 | 912 | W16W | Check Price |
| 1996-1998 | 3057 | 3057 | Check Price |
| 1990-1995 | 1156 | P21W | Check Price |
| 1985-1989 | 2057 | 2057 | Check Price |
| 1980 | 1157 | P21/5W | Check Price |
| 1978-1979 | 1156 | P21W | Check Price |
| 1974-1975 | 1156 | P21W | Check Price |
| 1973 | 1157 | P21/5W | Check Price |
Inner Back Up Light
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 |
|---|---|---|---|
| 2005 | 2456 | 2456 | Check Price |
| 2004 | 3156 | P27W | Check Price |
| 2002-2003 | 2456 | 2456 | Check Price |
| 2001 | 3156 | P27W | Check Price |
| 2000 | 2456 | 2456 | Check Price |
| 1999 | 2356 | 2356 | Check Price |
Outer Back Up Light
| Years | US Type | EU Type | Shop |
|---|---|---|---|
| 1999-2005 | 912 | W16W | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ANSI standard (US & Canada). Wedge bulb (T15). Variant of 921. 12V, 12W. | 912 | Check Price |
| ANSI standard (US & Canada). Dual-filament wedge bulb (T25). 12V, 27W/7W. | 3057 | 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). Dual-filament bulb with BAY15d bayonet base. Brighter variant of 1157. 12V, 26.9W/8W. | 2057 | 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 |
| ANSI standard (US & Canada). Festoon bulb, specialty application. 12V. | 2456 | Check Price |
| ANSI standard (US & Canada). Single-filament wedge bulb (T25). 12V, 27W. | 3156 | Check Price |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. 12V. | 2356 | Check Price |