The Donaldson Fuel Filter is designed to protect pumps and injectors from contaminants, preventing clogs and providing more power and better fuel mileage. This heavy duty filter is easy to install and helps keep fuel clean and engines running at maximum efficiency. It promotes smooth engine performance, resulting in better power delivery and improved acceleration. The filter also contains an integral post seal and integral gasket for added protection. FleetPride is your First Click in Heavy Duty®.