Johnson Pumps 42123 Cartridge Bilge Pump 12V Marine Water Pump

The Johnson Pumps 42123 is a 12-volt cartridge-style bilge pump designed for marine applications, featuring a removable motor cartridge system that simplifies maintenance and upgrades. Built with a 316 stainless steel shaft and corrosion-resistant hardware, this pump is engineered to withstand harsh marine environments.

Key Features:

• Removable motor cartridge allows easy maintenance or replacement without removing the entire pump housing
• Upgradeable design lets you increase GPH capacity based on your needs by swapping motor cartridges
• 316 stainless steel shaft and corrosion-resistant components resist cracking and deterioration
• Dura-Port connection system allows hose installation to port first, then to pump housing, preventing hose twisting during installation
• Integrated check valve eliminates pump cycling and back-flow

The cartridge design makes this bilge pump ideal for boaters who want flexibility and easy serviceability. Simply remove and replace the motor cartridge to restore pumping performance or upgrade to a higher capacity without the expense of replacing the entire pump assembly.