5.0GXi-J; 5.0GXi-JF; 5.0OSi-J; 5.0OSi-JF; 5.0GXi-N Cooling System Seawater Pump Parts 5.0GXi-J, 5.0GXi-JF, 5.0OSi-J, 5.0OSi-JF, 5.0GXi-N Parts on group Seawater Pump Parts: Pos. Part No Qty Parts name Comments 1. 21212799 [1] Pump 2. 21213664 [1] Impeller kit replaces 3842786 for gas engines 3. 21212794 [1] Impeller 4. 3858938 [1] O-ring 5. Not sold separately 6. 21951332 [1] Screw kit 7. Not sold separately 8. Not sold separately 9. 827247 [1] Sealing ring Parts catalog : Neutra-Salt™ 5.0GXi-J, 5.0GXi-JF, 5.0OSi-J, 5.0OSi-JF, 5.0GXi-N Hot Water Outlet, Freshwater Cooled 5.0GXi-JF, 5.0OSi-JF, 5.0GXi-N Hot Water Outlet, Seawater Cooled 5.0GXi-J, 5.0OSi-J, 5.0GXi-N Seawater Pump and Hoses, Freshwater Cooling 5.0OSi-JF Seawater Pump and Hoses 5.0OSi-J Seawater Pump and Hoses, Freshwater Cooling 5.0GXi-J, 5.0GXi-JF, 5.0GXi-N