The new more efficient extreme water separator is rated @ 2 microns absolute. The reason the water separator no longer has a drain is because the filter element itself traps...

The XDP WIF wrench XD128 is a must have for any GM Duramax owner, it makes removing and replacing your factory water in fuel sensor a breeze. The XDP WIF...

The XDP Duramax Fuel Filter Delete XD163 is a must have for any 2001-2016 GM 6.6L Duramax with a modified fuel system. Specially designed as a bolt-on replacement, the XDP...

The XDP Duramax CAT Filter Adapter Wrench XD325 is the perfect addition to the XDP Duramax CAT Filter Adapter Kit XD171. Installation of the XD171 requires tightening the CAT Filter...

Replace your existing FASS fuel separator filter with this Particulate Filter. This filter is rated at 144 microns. Placing this filter on the suction side will drastically reduce cavitation, increase...

The XDP Fuel Filter Head Spacer Kit XD138 is a quick and inexpensive solution to a common problem for GM Duramax owners. The Fuel Filter Head spacer is designed to...

Perfect for the shop or keeping your garage stocked, each FASS Fuel Filter Pack contains one (1)  (XWS-3002XL) Extreme Water Separator and one (1) (PF-3001XL) Particulate Filter! Designed with convenience...