Pontiac LeMans Turn Signal Bulb Size
Pontiac LeMans front and rear turn signal bulbs utilize 1157NA, 1034NA, 1157, 1156, and 1034 sizes depending on application and model variation. The replacement chart covers 1963 through 1981 production years with corresponding bulb size specifications.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
Front Turn Signal
| Years | Bulb Size |
|---|---|
| 1980-1981 | 1157NA |
| 1977-1979 | 1034NA |
| 1976 | 1157NA |
| 1975 | 1034NA |
| 1974 | 1157NA |
| 1973 | 1157 |
| 1972 | 1034NA |
| 1971 | 1157NA |
| 1970 | 1034NA |
| 1969 | 1157NA |
| 1968 | 1034NA |
| 1967 | 1157NA |
| 1965-1966 | 1034NA |
| 1964 | 1157 |
| 1963 | 1034NA |
Rear Turn Signal
| Years | Bulb Size |
|---|---|
| 1980-1981 | 1156 |
| 1979 | 1157 |
| 1978 | 1156 |
| 1964-1977 | 1157 |
| 1963 | 1034 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base, natural amber glass. 12V, 21W/5W. | 1157NA |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base, natural amber glass. Variant of 1157. 12V, 21/5W. | 1034NA |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. 12V, 21W/5W. | 1157 |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W. | 1156 |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. Variant of 1157. 12V, 21/5W. | 1034 |