Ensure your semi truck is Ready for the Road Ahead™ with enhanced visibility and clarity, with the Tungsram 4.8" 12V Rectangular Standard Halogen Automotive Sealed Beam Bulb. To provide operators with the ability to view obstacles and curves in the road, this replacement features an ultra-radiant bulb that illuminates a wide area. Constructed with a multipurpose design to fit a wide range of vehicles. FleetPride is your First Click in Heavy Duty®.