airdog filters
#3
Registered User
I haven't ever heard of the FF5587.
The f/w sep is Fleetguard FS19768. Its rated at 50% free water and 0% emulsifed water sep at 20GPH.
I reccommend using the Fleetguard FS19594 over the FS19768, its rated at 90% free water and 90% emulsifed water sep, at 20GPH. Its the best you can get.
For referenc stock is 10um absolute, 95% free water and 95% emulsified water sep.
EDIT:
I did some searching, the FF5587 is no longer offered by Cummins.
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