1998 Jeep Cherokee (not large) fuel pump / filter issue?

Long story short, there is a black box for a couple of meters away from the gas tank a gas line that goes in and out, connecting the tank to the engine … what is it? is about 4 "x4" x6 "fence of … I looked for a fuel filter napa and they said no because one is not listed … any ideas ????? diagram or picture, maybe? oh and is a 4.0 4-port, whether it is relevant …

Yes, it's a can of coal emissions. The fuel filter is part of the throttle jeep fuel that year. It is located in the fuel tank, which can be changed by the fall of the tank and remove the filter / regulator off the tank without removing the fuel pump. A sort of system changes if you ask me, but that's the way they have improved in 1997.

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