The Fleetguard Spin-on Fuel Water Separatoris a reliable and effective solution for maintaining the performance of your engine. This fuel water separator is designed to fit seamlessly into your engine's fuel system. The 10-micron rating by SAE J1985 ensures that even the smallest contaminants are filtered out, providing optimum protection from dirt and water. The largest OD of 4.57" and gasket OD of 4.39" ensure a secure fit, while the Stratapore media type ensures efficient filtration. With an efficiency rating of 98.7% TWA by SAE J1985, you can trust that this fuel water separator will keep your engine running smoothly and efficiently. FleetPride is your First Click in Heavy Duty®.