Johnson Pump 500 GPH Motor Cartridge, 12V – NMMA & ABYC Certified

Restore peak performance and extend the life of your marine pump system with the Johnson Pump 500 GPH 12-Volt Motor Cartridge. Engineered for seamless, tool-free replacement, this genuine all-in-one motor/impeller unit quickly revitalizes your bilge, aerator, or livewell pump. Designed for the harsh marine environment, it features robust construction and delivers reliable pumping power when you need it most. Upgrade your system with certified quality and unmatched convenience today.

• Efficient 500 GPH Output: Delivers robust water evacuation to keep your vessel dry and operational.
• Tool-Free Maintenance: Features an all-in-one motor/impeller unit that can be replaced or cleaned in minutes without any tools, simplifying routine upkeep.
• Durable Marine Construction: Built with a 316 stainless steel shaft and corrosion-resistant hardware for long-lasting performance in saltwater conditions. It is fully submersible and ignition protected.
• Extended Service Life: Benefits from a water-cooled motor design that circulates discharge water for efficient cooling, ensuring durability and reliability over time.
• Certified Quality: Meets stringent industry standards, including NMMA, ABYC, CE, CG, and ISO 8849 marine certifications, guaranteeing dependable operation.
• Energy Efficient: Operates with remarkably low electricity consumption for optimal battery life.

This universal replacement motor cartridge is designed to fit all Johnson Pump cartridge-style pumps, including:

• Cartridge Bilge Pumps
• Aerator Pumps
• Low-Boy Bilge Pumps
• Twinport Aerator Pumps
• Shower Sump Pumps
• Mayfair Cartridge Bilge and Livewell Pumps

The 500 GPH cartridge shares the same physical size as 750 GPH and 1000 GPH cartridges, allowing for easy output upgrades by simply switching to a higher capacity cartridge (sold separately).