In the tank.
NO.
No.
It was not built with a cabin filter.
The fuel filter on 1998 Dodge trucks, Dakota, and full size trucks and vans have the fuel filter located inside the fuel tank, It is a non replacable filter.
In tank
nono
In the tank, part of the pump module.
its part of your fuel pump in the tank
All 1998 Dodge Dakota's have a timing chain and not a belt.
Rear of engine, right behind the air filter assembly.
No
Not easily.