Johnson Cartridge Aerator Pump 32-2850 features a smaller profile to fit in more confined spaces, and an easy to change motor cartridge. The Johnson Pump 500GPH Livewell pump offers the ease of convenience and years of reliable service with a water-cooled motor. This 12 volt cartridge aerator pump features 3/4" hose connections and meets the international standard: ISO 8849 marine.

Johnson 32-2870 is the UK part number for the USA Johnson pump 28503.