Johnson Pump Replacement Cartridge Bilge Pump Motor

Mayfair Replacement Cartridge Bilge Pump Motors by Johnson Pump

Restore performance to your Johnson cartridge bilge or livewell pump with this universal replacement motor. Designed for easy swap-in installation, it fits all Johnson cartridge-style pumps. Built with a 316 stainless steel shaft and corrosion-resistant hardware, it’s made to withstand harsh marine environments. Tool-free access makes impeller cleaning quick and easy, supporting regular maintenance without the hassle. Certified to meet NMMA, ABYC, CE, and CG standards, this motor offers dependable quality for boaters who want a reliable, straightforward fix.

Universal replacement cartridge motor for Johnson Pump and Mayfair cartridge bilge pumps and cartridge livewell/baitwell pumps.

Features:

Fully submersible

Ignition protected

Stainless steel shaft & hardware

Saltwater tough

100% factory tested

Three year warranty

Specifications:

Model

Voltage

Amp Draw

Fuse Size

Wire Size

500 GPH

12V

2.5A

5A

30" 16 GA tinned wire

700 GPH

12V

3A

5A

30" 16 GA tinned wire

1000 GPH

12V

3.2A

5A

30" 16 GA tinned wire

Replacement motor for:

Johnson / Mayfair Cartridge Bilge Pumps - Click Here

Johnson / Mayfair Cartridge Livewell Pumps (90 Degree) - Click Here

Johnson Twin Port Aerator Pump - Click Here

Frequently Asked Questions

• What is the Mayfair Replacement Cartridge Bilge Pump Motor designed for? This replacement cartridge motor is designed to restore performance to Johnson and Mayfair cartridge bilge pumps, as well as compatible cartridge livewell and baitwell pumps. It is intended as a universal replacement for Johnson cartridge-style pump systems.
• What pump sizes are available for this replacement motor? This replacement motor is available for 500 GPH, 700 GPH, and 1000 GPH pump models. All three versions are designed for 12V systems and use 30" 16 gauge tinned wire.
• What features make this replacement motor durable for marine use? This motor is fully submersible, ignition protected, and built with a 316 stainless steel shaft and corrosion-resistant hardware. It is designed to handle harsh saltwater environments and is 100% factory tested for dependable marine performance.
• Is this replacement motor easy to install and maintain? Yes. This cartridge motor is designed for easy swap-in installation with Johnson cartridge-style pumps. It also allows tool-free access for easier impeller cleaning and routine maintenance.
• What warranty comes with this replacement motor? This replacement motor is backed by a 3-year warranty.