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Fleetguard - Cummins Filtration
Fleetguard HF6604
This diesel fuel filter is to be used as a direct replacement for your FASS Fuel Systems HD Series Fuel Filter, part number FF-1003. FASS has now discontinued this filter, so when they're gone, they are gone! KLM Performance has sourced these fuel filters, which are no longer available with the FASS branded logo.
As of 1/29/20, the FASS FF-1003 Three Micron Diesel Fuel Filter is no longer available from FASS.
The FASS FF-1003 Fuel Filter removes more contaminants from your fuel than the FF-1010 Fuel Filter 10 Micron Fuel Filter. This FASS diesel fuel filter FF-1003 fuel filter offers the highest level of protection to your vehicle's entire fuel injection system. The FASS FF-1003 Fuel Filter is now sold as a Fleetguard Cummins Filtration Hydraulic Filter.