Only one fuel filter
All that is required to restart a 2006 Cummins is to add fuel and crank the engine. The fuel system is self bleeding.
You can convert a petrol engine into a diesel engine by changing the fuel injectors. The fuel filters will also need to be changed.
A 1998 Ram with the Cummins diesel has a water in fuel indicator on the dash that will illuminate if there is water in the fuel filter housing.
There is a screen in the tank, and a cartridge filter on the side of the block.
On a Dodge Ram 1989-2012 have one, 2013 has two.
dirty fuel filters for one !!
That is the fuel filter on the driver side of the engine block.
Salt will not dissolve in diesel fuel. However the salt may very well clogged fuel filters.
dirty fuel, clogged filters
Water is attracted to diesel fuel. Moisture in the air gets in there. That's why you need the special filters for this.
the fuel filter is in the housing on the driver side of the engine.
How cold is it. Most diesel engine do not responed properly when the engine and fuel is cold.