5.0GL-F; 5.0GL-FF Cooling System Seawater Pump Parts 5.0GL-F, 5.0GL-FF Parts on group Seawater Pump Parts: Pos. Part No Qty Parts name Comments 1. 21255090 [1] Sea water pump 2. 21213664 [1] Impeller kit 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 : Seawater Pump and Hoses 5.0GL-F Seawater Pump and Hoses 5.0GL-FF Circulation Pump and Thermostat 5.0GL-F Circulation Pump and Thermostat 5.0GL-FF Heat Exchanger 5.0GL-FF Hot Water Outlet, Freshwater Cooled 5.0GL-FF Hot Water Outlet, Seawater Cooled 5.0GL-F Neutra-Salt™ 5.0GL-F, 5.0GL-FF