




The FASS Drop-In Series diesel fuel system upgrades filtration by installing in the factory filter location, with no cutting or drilling and no extra fuel lines to run. It filters to 2 microns absolute and separates water and air from the fuel to help protect your injectors and injection pump from contamination.
Part number DIFSRAM5001 fits 2025-2027 Ram 2500/3500 Cummins 6.7L.
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