Porsche 928 Brake Bulb Size
The Porsche 928 brake light utilizes P21W and P21/4W bulb sizes for illumination across various production versions. Available data covers the specific time range from 1978 through 1995.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
Brake
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 |
|---|---|---|---|
| 1994-1995 | 1156 | P21W | Check Price |
| 1993 | P21/4W | P21/4W | Check Price |
| 1991 | P21/4W | P21/4W | Check Price |
| 1978-1990 | 1156 | P21W | Check Price |
Center High Mount Stop Light
| Years | US Type | EU Type | Shop |
|---|---|---|---|
| 1993-1994 | 1156 | P21W | Check Price |
| 1981-1991 | 1156 | P21W | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ECE standard (Europe & worldwide). Single-filament signalling bulb with BA15s bayonet base. 12V, 21W. | P21W | Check Price |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W. | 1156 | Check Price |
| ECE standard (Europe & worldwide). Dual-filament signalling bulb with BAZ15d bayonet base. 12V, 21W/4W. | P21/4W | Check Price |