I decided these will be portable temporary use as in tank polishing.
I am not surprised that seals fail. Fuels today are the worst we have ever had, in so many ways. Price
is bad, what they are made of is bad.
I added a WIX 10 micron right before pump, wix 24348 water
separator into my filtering system. This filter is made for either diesel or gas, spins on, is large and has not leaked failed etc...
The Wix 24348 is made for fuel dispensing pumps.
of many to use can be a 24001
On my ccs1136 cartridge filters, the cork gaskets OEM cement fails. I have been regluing them on with SealAll.
FF2D luberfiner is also a comparable spin on to Wix 24348 and has a metal drain valve, buy at Autozone. You can replace the plastic drain valve on the wix with a metal one as it uses a 1/8 pipe thread.
here is a pic of that WIX