Prepare your semi truck to be Ready for the Road Ahead™, with the Dinex Emissions 2nd Generation Nitrogen Oxide Sensor that provides enhanced air quality safety. By monitoring the exhaust gases from a vehicle, this replacement device is able to communicate with the ECU to make necessary adjustments that reduce the amount of nitrogen produced. Crafted with precision components to efficiently detect gas levels. FleetPride is your First Click in Heavy Duty®.