This 1157 dual-filament automotive light bulb provides two levels of incandescent light output for compatible signal, brake, tail, parking, and auxiliary lighting applications. It is designed as a direct replacement for indexed sockets that specify bulb number 1157.
The bulb features a S-8 envelope with an Indexed Double-Contact Bayonet (BAY15d) base and dual electrical ratings of 12.8V / 14V and 26.88W / 8.26W. The indexed base helps position both filaments correctly in the socket.
| Industry Bulb Number | 1157 |
| Bulb Type | Dual-Filament Miniature Incandescent |
| Voltage | 12.8V / 14V |
| Wattage | 26.88W / 8.26W |
| Amperage | 2.10A / 0.59A |
| Candlepower | 32 CP / 3 CP |
| Bulb Shape | S-8 |
| Base Type | Indexed Double-Contact Bayonet (BAY15d) |
| Filament | C-6 / C-6 |
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