Pontiac GTO Parking Light Bulb Size
The Pontiac GTO parking light utilizes 1157, 1157NA, and 1034NA bulb sizes depending on the specific production period. Data for the bulb sizes covers the range from 1964 to 2006.
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 |
|---|---|---|---|
| 2006 | 1157NA | P21/5W | Check Price |
| 2004-2005 | 1034NA | 1034NA | Check Price |
| 1973 | 1157 | P21/5W | Check Price |
| 1971-1972 | 1034NA | 1034NA | Check Price |
| 1970 | 1157NA | P21/5W | Check Price |
| 1969 | 1034NA | 1034NA | Check Price |
| 1968 | 1157NA | P21/5W | Check Price |
| 1966-1967 | 1034NA | 1034NA | Check Price |
| 1965 | 1157NA | P21/5W | Check Price |
| 1964 | 1157 | P21/5W | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base, natural amber glass. 12V, 21W/5W. | 1157NA | 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). Dual-filament bulb with BAY15d bayonet base, natural amber glass. Variant of 1157. 12V, 21/5W. | 1034NA | Check Price |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. 12V, 21W/5W. | 1157 | Check Price |