2010 Ram 2500 4x4 6.7L cummins= Mopar, mo-608
One from the factory.
26 or 35 gallons
You start by removing the fuel pump, installation is the reverse of removal.
Driver side of the block, look under and behind the intake area. Or Simply Google "images" of a 2007 Dodge Ram 2500 Fuel Filter.
There is a screen in the tank, and a cartridge filter on the side of the block.
How cold is it. Most diesel engine do not responed properly when the engine and fuel is cold.
Flip the lever on the fuel filter housing.Flip the lever on the fuel filter housing.
Factory location is on the back of the fuel filter housing. Service repair location is to move it to the fuel tank with a relocate kit.
The fuel filter is part of the pump module in the fuel tank.
Go to a auto shop
It is located on the lower left side of the engine block, Follow the fuel lines and you will find it located to the rear of the engine mount.