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USD 20.9
Part #: FASSFS-1001

FASS FS-1001 Water Separator

For Use with FASS HD & Titanium Series Fuel Air Separation Systems*
Part #: FASSFS-1001
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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 Blue - This will require the FS-2001 filter. (Older Design)
If your Titanium Series Pump is Grey - This will require the FS-1001 filter. (New Design)


  • MFG. Number FS-1001
  • Manufacturer Name FASS
  • Shipping Weight 1.40 lb.
  • Shipping Length 4 in.
  • Shipping Width 4 in.
  • Shipping Height 7.5 in.
  • Fuel Type Diesel
  • Prop 65 WARNING: Cancer & Reproductive Harm -


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Most Popular Questions

How often should you change filters?
View Staff Answer 
FASS Fuel Filter / Water Separator change intervals are between 15,000 to 30,000 miles based on fuel quality.