Quote:
Originally Posted by odie
"standard" rating for most diesel fuel filters is 10 micron. that seems to be the industry norm for vehicle diesel fuel filters. the inline filter is much larger, it's mainly a "rock catcher" to extend the life of the main filter.
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This is changing due to the "Common Rail System" demanding finer filtration. CAT built a Plant to make Filters and is making a 2 absolute micron filters for the Engines with the Common Rail Systems.
Some filter companies have also added finer filters that fit older applications.
Another note; while I was at NAPA the Counter Guy told me that ther was a shortage of 2 micron Racor filter cartridges due to the Coast Guard requiring finer filtration on Boats (I live near the Port of Long Beach/Los Angeles).
In general there seems to be a trend towards finer filtration for both Fuel and Engine Oil.
12-04-2008, 05:36 PM
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