The FASS FS-1001 Water Separator is designed for use with your FASS HD & Titanium Series Fuel Air Separation System. It's suggested that this filter is changed every 30K miles. Fits Titanium & HD Series
Titanium Series Note: The Titanium Series has two different filter versions. To confirm which filter you need, it's best to check the part number on the filter or the color of the pump.
If your Titanium Series Pump is Grey - This will require the FS-1001 filter. (New Design)