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Since you have knowledge about these engines, maybe you can give the OP some insight into his concerns about the UOA. I too have zero experience with marine engines.

If 402 hours is the total run time on the engine, that’s not very much.

It’s kinda hard to run on only mileage on a gen set.

Post in thread 'Updated Efficiency For Stratapore Filters ?' https://bobistheoilguy.com/forums/threads/updated-efficiency-for-stratapore-filters.396878/post-7281710

100% efficiency at 24.6 microns is pretty good for a diesel engine filter and extended service.

The Stratapore filters are advertised for extended service but I think that kinda stretched it out. It is also rated at 24.6 microns @ 100% efficiency.

Is the media metal screen backed? I looked that filter up on the FleetGuard website and it’s identical to the LF3894 Stratapore and LF16035 which has the fluted can.

Asphaltenes that are present in diesel fuel, agglomerate when subjected to heat and pressure in common rail diesel engines. The fuel return carries these asphaltenes back to the tank where they are filtered out on the next pass. This can be reduced by keeping the fuel tank filled thus reducing...

That tracks exactly with how my CTD regens. If I can keep avg speed up to 40 mph, I get only 24 hr regens but I know less than nothing about the 3.0 Duramax regen strategy.

Im envious of the filters Ive seen that you have cut open and the color of the used oil. Mine look like asphalt.

So at 98.7% it should be an even lower micron rating ? 24.6 @ 100% seems pretty good for a diesel engine filter.

I can’t remember about the (c) being present. I just thought it was odd having tenths listed. Thanks for the clarification about this.

Yeah Im wondering if that’s what the (c) is on there for. Corrected. The image above is for the LF16035 but I have seen the same efficiency rating change on some of the other Stratapore filters.

As the title says, has anyone else noticed the efficiency difference posted on the FleetGuard site ? It used to show 30 microns @ 100% and now it shows 24.6 microns @ 100%. Per the FleetGuard website:

I want to.

And of course, they’ll do everything thing they can to deny warranty especially if emissions problems arise along with cam and lifter failures.

I put a new Hann & Co cabin filter in my 22’ Ram on 5/25/25. I don’t notice any reduction in air flow at all but the older one was pretty dirty. Had a lot of seeds and dirt in it.

I have one in my 22’ Ram at the moment and I try to change them out every 12 months. I can’t tell any difference in the air flow over the previous filter. It is a very nice looking filter and better build quality than the previous filter.

Looks really good. Thanks for sharing.