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...
Forum Discussion
Ok, took Brett's advice. Got the 9 micron primary and 2 micron secondary. Kinda strange, but my Cummins owners manual shows a completely different primary and secondary fuel filter numbers. My freightliner manual also has these same two filters. I can only assume that Tiffin, for what ever reason, changed both to what is now on there. Of course I didn't realize this until I unwrapped the primary filter, so it's not returnable to Freigtliner. I do have two of the secondary filters (had one for a spare) still in wrapped covers. They are Fleetguard FF 5636....anybody interested?
Ron
Ron
