Johnson Pump 32903 Cartridge Bilge Pump, 1000 GPH, 12 Volt, Black

The Johnson Pump 32903 is a 12 volt cartridge-style bilge pump rated to move up to 1000 gallons per hour, with a maximum lifting height of 3 feet. Built with a plastic housing in a black finish, it is designed as a self-contained cartridge unit for clearing bilge water from boats and other marine applications. The compact 8 inch L x 6 inch W x 4 inch H housing allows it to fit into tight bilge compartments where space is limited.

As a cartridge pump, the impeller and motor assembly is designed for straightforward removal and replacement without disturbing the pump base or plumbing, simplifying maintenance and reducing downtime when service is needed. The 32903 operates on a 12 volt DC power source, matching standard marine electrical systems. It carries a fit type of universal fit, making it suitable across a range of boat bilge installations rather than being limited to one specific hull or engine configuration.

Specifications

• Brand: Johnson Pump
• Manufacturer Part Number: 32903
• Type: Cartridge Bilge Pump
• Maximum Flow Rate: 1000 gallons per hour
• Maximum Lifting Height: 3 feet
• Voltage: 12 volts DC
• Color: Black
• Material: Plastic
• Dimensions: 8 inches L x 6 inches W x 4 inches H
• Weight: 0.88 pounds
• UPC: 729321329033
• Fit Type: Universal fit

Frequently Asked Questions

How many gallons per hour does the Johnson Pump 32903 move? The Johnson Pump 32903 is rated for a maximum flow rate of 1000 gallons per hour.

What voltage does this bilge pump run on? The 32903 cartridge bilge pump operates on 12 volts DC, matching standard boat electrical systems.

What is the maximum lifting height of the Johnson Pump 32903? It has a maximum lifting height of 3 feet, meaning it can push water up to that vertical distance to reach a discharge outlet.

What size is the Johnson Pump 32903 bilge pump? The pump housing measures 8 inches L x 6 inches W x 4 inches H.

How much does the 32903 bilge pump weigh? This bilge pump weighs 0.88 pounds.

What is the housing made of? The Johnson Pump 32903 has a plastic housing finished in black.

Is the Johnson Pump 32903 a cartridge-style pump? Yes, the 32903 is a cartridge bilge pump, meaning the pump cartridge can be removed and replaced independently of the mounting base.

Will this pump fit any boat? The Johnson Pump 32903 is listed with a universal fit type, making it suitable for general bilge installations rather than a single specific boat model.

What is the UPC for the Johnson Pump 32903? The UPC for the Johnson Pump 32903 cartridge bilge pump is 729321329033.

Is replacing the cartridge on the 32903 an easy DIY job? Because the 32903 uses a cartridge design, the pump element is meant to be swapped out directly, which simplifies maintenance compared to pumps requiring full disassembly of the base and plumbing.

What color is the Johnson Pump 32903? The 32903 cartridge bilge pump has a black finish.

What part number should I order to get this exact pump? Part number 32903 identifies this specific Johnson Pump cartridge bilge pump rated at 1000 gallons per hour.