Litezupp L57 series is a form, fit and function replacement for the industry standard 1157 filament bulb that has a BAY15D base.
Dual contacts in the base and offset pins, it will replace the 1157 incandescent lamps that go behind a lens of the same color or a clear lens.
Non polarized for use in either negative or positive ground systems.
Available in Red, Amber and White