The Baldwin Spin-On Fuel / Water Separator is designed to keep your fuel injection system free of both particulate and water contamination. This separator is designed for easy installation and replacement, minimizing downtime and maintenance efforts. It enables your engine to operate more efficiently and achieve better fuel mileage. The separator comes with a furnished gasket and integral gasket, and a furnished O-ring must be installed on the post for a seal. With this fuel/water separator, you can be sure that your engine is running clean and efficiently. FleetPride is your First Click in Heavy Duty®.