Flo-Master Centrifugal Pump Service Kit from GROCO
Groco Flo-Master Centrifugal Pump Top-of-the-line pump for baitwell circulation, hot/cold water circulation, diesel transfer, shower pumpout or low-pressure washdown. Ignition-protected motor has a #316 stainless steel shaft for extra long life. Not self-priming, so a flooded inlet is required . Not submersible . 17 GPM at 0' . Ports: 3/4" NPT inlet; garden hose or 1/2" NPT outlet . Draw: 5. 5A at 12V DC .

F8B-9 Direct Bolt-On Engine Cooling Pump, Detroit Diesel OEM from JOHNSON PUMPS
Used by premier marine engine manufacturers including Volvo Penta, Westerbeke, Yanmar and MAN, Johnson Pump is a leading provider of cooling pumps to OEMs worldwide. The pumps feature bronze housings, flexible impellers and different port sizes that satisfy a variety of cooling needs with flows between 3 and 165 g. p. m.

12V Blaster Washdown Pump, 3.5 GPM from SHURFLO
Blast the grimiest decks clean with one of these durable freshwater/saltwater pumps. Positive-displacement three/four chamber diaphragm design is self-priming up to 6' and can run dry without damage. Include 3/4" and 5/8" garden hose adapters. Pro Blaster features higher capacity and a seamless motor shell for enhanced protection in saltwater environments. Suitable for mounting in wet locations. Include fittings and Blaster spray nozzle. Switch Type: Sealed 45psi pressure switch .

Fitting Type, 1/2" NPS-M from SHURFLO
Fittings are sold in pairs.

Washdown Fitting with Adapter from JABSCO
This unique fixture allows you to engage and disengage your wash-down hose under full pressure, eliminating the need for fiddling with a faucet. Bulkhead fitting features beefy cast stainless steel construction. Includes ABS hose adapter with 1" garden hose threads. 3/4" inlet port. 3" flange. 3 1/2"L.

Impeller article number 09-821B from JOHNSON PUMP
Impeller-Fuel Transfer Nitrile|Impeller-Fuel Transfer Nitrile.