Pontiac Catalina Turn Signal Bulb Size
Pontiac Catalina front and rear turn signal bulbs utilize sizes 1157NA, 1034NA, 1157, 1034, and 1154, with front positions requiring 1157NA, 1034NA, or 1157 bulb sizes and rear positions requiring 1157, 1034, or 1154 bulb sizes. The replacement chart covers 1950 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 |
| 1978-1979 | 1034NA |
| 1977 | 1157NA |
| 1974-1976 | 1034NA |
| 1973 | 1157 |
| 1970-1972 | 1034NA |
| 1968-1969 | 1157NA |
| 1966-1967 | 1034NA |
| 1965 | 1157NA |
| 1963-1964 | 1034NA |
| 1955-1962 | 1034 |
| 1950-1954 | 1154 |
Rear Turn Signal
| Years | Bulb Size |
|---|---|
| 1964-1981 | 1157 |
| 1955-1963 | 1034 |
| 1950-1954 | 1154 |
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). Dual-filament bulb with BAY15d bayonet base. Variant of 1157. 12V, 21/5W. | 1034 |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. Older variant of 1157. 6V/12V. | 1154 |