5.0GXi-G; 5.0GXi-GF; 5.0OSi-G; 5.0OSI-GF Cooling System Seawater Pump Parts 5.0GXi-G, 5.0GXi-GF, 5.0OSi-G, 5.0OSI-GF 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-G, 5.0GXi-GF, 5.0OSi-G, 5.0OSI-GF Hot Water Outlet, Seawater Cooled 5.0GXi-G, 5.0OSi-G Hot Water Outlet, Freshwater Cooled 5.0GXi-GF, 5.0OSI-GF Seawater Pump and Hoses 5.0OSi-G Seawater Pump and Hoses 5.0OSI-GF Seawater Pump and Hoses 5.0GXi-G