Ensure your semi truck is Ready for the Road Ahead™ with enhanced protection against overpowered or blown circuits, with the Littelfuse Automotive Blade Fuse Kit. This replacement component melts when a circuit exceeds a certain power level, breaking the flow of electricity and preventing damage to other locations in the circuit. Engineered with an easy to install design that quickly plugs into fuse boxes. FleetPride is your First Click in Heavy Duty®.