Oldsmobile Custom Cruiser Turn Signal Bulb Size
Oldsmobile Custom Cruiser front and rear turn signal bulbs utilize sizes 3057NA, 2057NA, 1034NA, 2057, 1157, and 1034NA depending on location and model variation. The replacement chart covers 1971 through 1992 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 |
|---|---|
| 1991-1992 | 3057NA |
| 1990 | 2057NA |
| 1986-1989 | 1034NA |
| 1982-1985 | 1157NA |
| 1981 | 1034NA |
| 1980 | 1157NA |
| 1978-1979 | 1034NA |
| 1977 | 1157NA |
| 1974-1976 | 1034NA |
| 1973 | 1157NA |
| 1971-1972 | 1034NA |
Rear Turn Signal
| Years | Bulb Size |
|---|---|
| 1991-1992 | 2057 |
| 1982-1990 | 1157 |
| 1981 | 1034NA |
| 1971-1980 | 1157 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Dual-filament wedge bulb (T25), natural amber glass. 12V, 27W/7W. | 3057NA |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base, natural amber glass. Brighter variant of 1157. 12V, 26.9W/8W. | 2057NA |
| 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, natural amber glass. 12V, 21W/5W. | 1157NA |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. Brighter variant of 1157. 12V, 26.9W/8W. | 2057 |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. 12V, 21W/5W. | 1157 |