The Donaldson Fuel Filter Water Separator Cartridge is designed to provide excellent engine protection for both normal and severe driving conditions. It ensures that only clean and high-quality fuel reaches the engine, leading to better fuel combustion and optimal fuel flow. This cartridge helps maintain optimal fuel flow and combustion, providing superior protection for your engine. With this cartridge, you can rest assured that your engine is receiving the best protection possible. FleetPride is your First Click in Heavy Duty®.