Johnson Replacement Motor Cartridge Only 500gph #18928552For Basspirator and Bilge Pumps.Cleaning or motor replacement is as simple as lifting a tab and removing the motor. Allows you to carry a spare cartridge motor that can be installed in only minutes in an emergency. Newly engineered, efficient motors are more powerful yet draw fewer amps than older pumps. Rugged impellers for abrasion resistance and long life. Completely sealed and waterproof design allows submersion in both fresh and saltwater. Heavyduty, 16gauge wire.