Difference between two Alliance fuel filters
Currently, my ISL 400 has an Alliance N122-R50419 fuel/water separator fuel filter and I'm having problems locating one locally. However I have found a N122-R50418 (one digit difference) and it looks...
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You can check here for info... but the -19 is a 3 micron filter (secondary) and the -18 is a 9 micron (primary) or if you only have one???
They both cross to Wix/NAPA numbers. Same size/thread/fittings and replace the plastic bowl type if that is what you have now.
You can check here for info... but the -19 is a 3 micron filter (secondary) and the -18 is a 9 micron (primary) or if you only have one???
They both cross to Wix/NAPA numbers. Same size/thread/fittings and replace the plastic bowl type if that is what you have now.
