Parts such as the Raw Water Pump: Hose,outdr/rw Pump, Sea Water Pump Assy, Adapter,exh Mixing, Washer,flt Sae 3/8 are included in the L4 3.0 1990 Engine Raw Water Pump parts fiche.
The most reasonably priced component used on the L4 3.0 1990 Engine Raw Water Pump is the Bolt,hex 5/16-18.
In this schematic the "Bolt,hex 5/16-18" is used most often.
