Outfit your semi truck to be Ready for the Road Ahead™ with reduced nitrogen oxide emissions, with the Dorman Heavy Duty Exhaust Gas Recirculation Cooler Kit. With a specialized design that cools the exhaust gas, this replacement device is able to decrease the overall combustion temperature and volume of NOx produced. Manufactured with top-tier materials to endure extreme temperatures. FleetPride is your First Click in Heavy Duty®.