FASS FSN-2001 Titanium Series Fuel Filter Nipple

For use w/ FASS Titanium Series*
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The FASS FSN-2001 Titanium Series Fuel Filter Nipple is required to use the FWS-3003 Fuel Filter on a FASS Titanium Series Pump  built before Mid-2010.


  • Allows For More Filter Options
  • For Older FASS Titanium Series Pumps
Note from FASS: In the Summer of 2010 our filter manufacturer relocated outside of the US and discontinued the production of the FF-2003 Fuel Filter.  We made the change to an American made manufacturer which forced us to change the size of the fuel filter thread. However, the new thread size offers you a much larger selection of available cross references. If you currently have an FF-2003 or FF-5712, those are the ONLY interchangeable filters you can use with your current nipple. If you have the FWS-3003, Donaldson P553203 then you have the new updated nipple. If you have the FF2003 or FF5712 and would like to order the new filter nipple for more cross references, simply order this part.

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