Johnson Pump Cartridge Bilge Pumps are direct replacements to the popular Mayfair Cartridge Bilge Pumps and are designed to make cleaning and maintenance easy! Cartridge Bilge Pumps can be removed for cleaning or replacement without the use of a single tool. Lift a tab on the top, give the cartridge a twist, and pull it out; that's all there is to it! Includes all-in-one motor/impeller unit with no loose parts. Features a thermoplastic body, lip seal shaft seal and a stainless steel motor shaft. Additionally, these cartridge pumps have a water-cooled motor for long service intervals and are extremely energy efficient. These pumps can be combined with a float switch for automatic operation. Johnson Pump cartridge bilge pumps meet the international standard, ISO 8849 marine.
Features:
Specifications:
| Part No. | Capacity 3 ft head | Capacity straight | Amperage |
| 32503 | 33 l/min - 535 GPH | 40 l/min - 630 GPH | 2.5 A |
| 32507 | 44 l/min - 700 GPH | 50 l/min - 800 GPH | 3 A |
| 32903 | 50 l/min - 800 GPH | 63 l/min - 1000 GPH | 3.2 A |
Click to Download the Johnson Pump Cartridge Bilge Pump User Manual
California Residents: 
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
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