- ANSI 4157 dual filament lamp features an S8 shape bulb with a plastic wedge base
- It is typically used in turn signal, rear, backup, parking, sidemarker, and stop lighting
| Type | Bulbs |
| Style | Miniature |
| Color | Clear |
| Voltage | 12.8 VDC |
| Industry No. | 4157 |
| Max OAL | 2.1" |
| AVG life hrs | 300 |
| Base Style | Plastic Wedge |
| Shape | S8 |