From here it is difficult to buy fleatguard filters on Cummins engine
Have you experience the Donaldson P Series Filters for Oil and Fuel.
The fuel filter Fleatguard is 2 microns and Donaldson 3 microns, is it practical with a 1 micron difference
Cummins determined to use a 2 micron fuel filter and thought about getting Donaldson filters because it was easier to buy here.
Donaldson oil filter P558615
Donaldson fuel P550774