Gas engine, in the tank. Diesel, on the driver side of the block
It is on the driver side of the engine block.
Fuel filter is in the fuel tank under the fuel pump. You have to drop the tank and remove the pump assembly to change the filter.
Change the fuel filter or drain the water out of the fuel filter.
under the drivers seat area of truck inside the frame
under the truck next to the fuel tank
it is part of the fuel pump module, in the fuel tank.
there isn't one, they did away with filters in 2003
prior to and including 2003 models the fuel filter is located along the inside of the driver's side frame rail. after 2003 the filters are part of the fuel pump and are located in the fuel tank.
change the fuel filter
It should be on the frame rail right behind where the bed meets the cab of the truck. Probably the driver side
There is a skid plate under neath the truck that you need to remove then you will see the filterAnswerFuel PUMP is in the tank, fuel FILTER is under the truck on the driver's side right below driver's door.
It should be on the frame rail on the drivers side. In 2004 they moved it inside the gas tank and it is considered non-serviceable. If your truck was one of the very last 2003's that could apply to you.