Should have one filter, about 12" behind the pump. Has 2 wires coming out the bottom that are for water detection. That unscrews then the filter unscrews. That filter is the only one I know about.
I'm sure the pump in the tank has a sediment screen but that is not accessable.
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Stan
93 2WD extended cab, Banks Power Pack, K&N Air Filter, PW Injectors,Auto w/4. 10 rear with limited slip, US Gear Exhaust Brake, 31/2" Exhaust, 5K air bags, Boost/Pyro/Tach Gauges, Green/Silver, 146K