500 GPH 12 Volt Cartridge Aerator Pump | Johnson Pump 38503 Spark Plugs Use Dual Cable System -

Use Dual Cable System - SS148xx - for boats with more Engine Flutter or Steering Instability

Fits Westerbeke W18

Replaces Mercury 97-984325Q6

Three positions three installed ON-OFF Contura switches

(1) 1 1/8 in

500 GPH 12 Volt Cartridge Aerator Pump | Johnson Pump 38503 Spark Plugs Use Dual Cable System -500 GPH 12 Volt Cartridge Aerator Pump Johnson Pump 38503 Johnson Pump 90 degree cartridge aerator pump fits many small livewell or baitwell needs. 90 degree inlet model 500 gallon per hour flow rate 12 volt DC operation Easy to change twist lock motor cartridge Small profile fits in confined spaces Long life water cooled motor Glass resin composite impeller 3 4 in. O. D. discharge port 3 4 in. NPS straight thread Includes crack resistant Dura Port