Originally Posted by catalinajack
Sunchaser, some high quality filters use synthetic media rather than cellulose. Do you think the synthetics are as prone to breakdown?
Some random and likely well known musings ---
Not sure what synthetics you are referring to for diesel lube oil filters. The media feedstocks for the filter manufacturing facilities come from reliable sources like Miller Waste Mills. For filters (most big ones are canisters) how they are made with end caps, internal tubes, media weaving and packing ratio seems the focus.
Look up Cat Advanced High Efficiency Oil Filters. Whether the engines are equipped with bypass filtration or not, the best filters should be used. Cat seems at the head of the class, especially on the hydraulic oil side. Bought some new oil filters today, NAPA made in the USA. Another thing to watch out for.
In the rigors of dirt moving filtration efficiency is the name of the game. If the engine is continually working in dirt, the better air filters manage the particulate load going to the induction side and then onto lubrication oil. This is a key reason marine commercial engines running long hours at high loads can outlive their land based counterparts by 20 or 30% - no dirt!
For us recreational boaters, a few hundred engine hours per year is very light duty. These low use engines normally wear out due to inactivity and cooling system failures.. For commercial engines running many thousands of hours per year lubrication efficiency via internal design, lube oil used and oil filtration is a key element. And proper maintenance protocols.