Prepare your semi to be Ready for the Road Ahead , with the Eiko Lighting 12.8V Incandescent Miniature Light Bulb that offers bright and reliable lighting. To provide enhanced visibility and safety standards, this replacement component is crafted with a multipurpose design to fit a wide range of accessories. Fashioned with a streamlined body for a fast and easy installation. FleetPride is your First Click in Heavy Duty .