Cadillac Seville Turn Signal Bulb Size
The Cadillac Seville front turn signal uses 4157NA, 3157NA, or 2357NA bulb sizes, while the rear turn signal requires 3057, 2057, or 1157 bulb sizes depending on model generation. The replacement chart covers 1976 through 2004 production years with corresponding bulb size specifications for each generation.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
Front Turn Signal
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 |
|---|---|---|---|
| 2001-2004 | 4157NA | PY27/7W | Check Price |
| 1998-2000 | 3157NA | PY27/7W | Check Price |
| 1992-1997 | 2357NA | P21/5W | Check Price |
| 1984-1991 | 2057NA | P21/5W | Check Price |
| 1983 | 2057 | 2057 | Check Price |
| 1982 | 1157 | P21/5W | Check Price |
| 1981 | 1034NA | 1034NA | Check Price |
| 1977-1980 | 1157 | P21/5W | Check Price |
| 1976 | 1157NA | P21/5W | Check Price |
Rear Turn Signal
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 |
|---|---|---|---|
| 1998-2004 | 3057 | 3057 | Check Price |
| 1983-1997 | 2057 | 2057 | Check Price |
| 1976-1982 | 1157 | P21/5W | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ANSI standard (US & Canada). Dual-filament wedge bulb (T25), natural amber glass. 12V, 27W/7W. | 4157NA | Check Price |
| ANSI standard (US & Canada). Dual-filament wedge bulb (T25), natural amber glass. 12V, 27W/7W. | 3157NA | Check Price |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base, natural amber glass. 12V, 26.9W/8W. | 2357NA | 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. Brighter variant of 1157. 12V, 26.9W/8W. | 2057NA | 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 |
| 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, natural amber glass. 12V, 21W/5W. | 1157NA | Check Price |
| ANSI standard (US & Canada). Dual-filament wedge bulb (T25). 12V, 27W/7W. | 3057 | Check Price |