Cummins 3089916 Fuel Water Separator Assembly

The Cummins 3089916 is a spin-on fuel water separator filter designed for heavy-duty diesel engine fuel systems. It removes water and particulate contaminants from fuel before injection, protecting precision fuel system components. The filter features a 1 1/4-12 UNF thread interface, 306.4 mm overall height, and 118.3 mm maximum outer diameter. Rated at 10 micron absolute filtration with 95% emulsified water removal efficiency per SAE J1985. Includes integral post seal and drain valve for water evacuation. Compatible with Fleetguard FS1006 specification. Constructed with meltblown filter media and heavy-duty steel housing. Designed for service intervals of 6 to 12 months depending on operating conditions and fuel quality. Direct replacement for Cummins part numbers 3089916 and 4095189. Cross-references include Fleetguard FS1006, Baldwin BF1262, Donaldson P552006, WIX 33645, and Fleetguard FS19870.