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16 Cummins - Thank You Sir!
I've already ordered a P551313 - It will be here Wednesday - I'm going to remove the 0750 tomorrow.
After a bit of thinking - I'm not going to apply any A/S.
Thank You again for your knowledge & advice = Much Appreciated!
I found the FF5817 for $27 shipped...
EDIT: Ok - Donaldson is on!
The Cat 1R-0750 fought me the whole way (removing it) until maybe 1-2 threads left at the bottom.
At one point (after the first full turn - the filter some what locked up) - then I had to use the filter wrench the rest of the way - except for maybe the last 2 full turns.
There was no smooth turn in the full removal - felt like sand was in every thread.
Sad thing is - after comparing the 2 filters side by side the Cat looks & feels so much more robust & better made then the Donaldson - JMHO.
Anyway - off with the 4 micron @ 99% filter & on with the 3 micron @ 99% filter.
I have replaced many spin-on filters over my 56 yrs & I have never felt what I felt this morning - (similar to fingers on a chalk board) - I never thought about the aluminum on aluminum issue (galling) - well it's real.
Thanks to to all of you who contributed to this knowledge gained.
Donaldson (White P551313 -Small / P551311-Large) or (Blue DBF5814-Small / DBF5817-Large) & Fleetguard FF5814 & 5817 will be my go to - all depends on availability at the time.
Like I stated before - buying 3-4 at a time might be a smart desicion.
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