Get your semi truck Ready for the Road Ahead™ with enhanced visibility and clarity, with the Tungsram 5.28" 12V Round Standard Halogen Automotive Sealed Beam Bulb. This replacement light uses an ultra-radiant bulb to illuminate a wide area so operators can view obstacles and curves in the road. Crafted with a multipurpose design to fit a wide range of vehicles. FleetPride is your First Click in Heavy Duty®.