Best Seaflo Boat Bilge Pumps in 2026

Patented shaft seal prevents leaks caused by misalignment, caulked and tinned wiring eliminates wicking, prevents water damage, and resists corrosion

Motor cartridge locks for secure placement, and unlocks for easy cleaning, maintenance, and replacement

Has a ¾-inch diameter, 3 ½-inch-long inlet, and a threaded ¾-inch interior diameter outlet

12-volt pump connected with 29-inch wire

Pumps fresh, oxygen-rich water to livewells and baitwells

Uses less power for long pump and battery life

Cooler-running motors, premium materials, watertight seals and waterproof wiring

Cartridges are replaceable and interchangeable between bilge and aerator pumps

Compact and durable package includes pump, wire seals, strainer, and mercury-free switch in one unit

Installs quickly and easily in tight spaces, mounts horizontally only

12-volt, 1.5-amp draw pump is rated for 500 GPH performance at open flow (at voltage of 13.6 volts DC)

Comes with a 29-inch length of 16-gauge caulked and tinned copper wire, and uses a ¾-inch interior diameter hose

Patented shaft seal prevents leaks caused by misalignment, caulked and tinned wiring eliminates wicking, prevents water damage, and resists corrosion

12-volt pump has a barbed ¾-inch outlet and is connected with 29-inch wire

Boaters, boat-builders and dealers all want one thing from their bilge pumps: more power! And that's what the Tsunami Series delivers with high-capacity, high-efficiency output

Tsunami cartridge pumps have replaceable / interchangeable motor cores

Makes servicing simple and quick

Can be installed in tanks with a maximum 5/8 inch tank wall thickness

Sport type: Boating

Patented shaft seal prevents leaks caused by misalignment, caulked and tinned wiring eliminates wicking, prevents water damage, and resists corrosion

12-volt pump has a barbed 1 1/8-inch outlet and is connected with 29-inch wire

Boaters, boat-builders and dealers all want one thing from their bilge pumps: more power! And that's what the Tsunami Series delivers with high-capacity, high-efficiency output

Tsunami cartridge pumps have replaceable / interchangeable motor cores

Makes servicing simple and quick

Permanent-magnet motor, stainless steel shaft, and steel-reinforced seal ensure powerful, durable performance

S750 is sized for larger recreational boats

Our most powerful 3/4 inch-outlet automatic pump 750 GPH at open flow, 625 GPH at 3.3 feet head, 3/4 inch hose outlet

Patented shaft seal prevents leaks caused by misalignment, caulked and tinned wiring eliminates wicking, prevents water damage, and resists corrosion

12-volt pump has a barbed ¾-inch outlet and is connected with 29-inch wire

Compact and durable package includes pump, wire seals, strainer, and mercury-free switch in one unit

Installs quickly and easily in tight spaces, mounts horizontally only

12-volt, 1.5-amp draw pump is rated for 1100 GPH performance at open flow (at voltage of 13.6 volts DC)

Comes with a 29-inch length of 16-gauge caulked and tinned copper wire, and uses a 1-1/8”-inch interior diameter hose

12- and 24-volt CE rated with a 36-inch wire connection

Maximum amp draw is 12 amps (at 12-volt DC) or 6 amps (at 24-volt DC)

Measures 4 ¼ inches L x 3 7/8 inches W x 1 3/8 inches H

Sealed switch mechanism resists moisture, fume-ignition, and electrical shock

Industry leading 5 year warranty

Directly compatible with all other competitive products.

Large sump box includes air vent to prevent air locks

Lid with gasket snaps in to allow quick installation, and for removal for cleaning

¾-inch interior diameter outlet hose

Rated for 12 volts, uses 22-inch wire connection

Ideal for use in areas and on boats where there is no permanent electrical system or power source

Pump is 6 3/8 inches tall, has a 5 ¼-inch diameter, and can pump up to 200 gallons per hour

Comes with a 42-inch-long hose with a garden hose adapter that allows addition of a longer hose

Lifts water to a height of 40 inches; is not to be used as a permanent bilge pump

Portable, battery-operated pump for removing water

Pumps up to 200 gallons per hour; lifts water up to 4 feet

Three alkaline D batteries last 5 hours

Portable, battery-operated pump for removing water

Pumps up to 200 gallons per hour; lifts water up to 4 feet

Three alkaline D batteries last 5 hours

Measures 5.2 x 5.2 x 6.5 inches; weighs less than two pounds

Lifts water to height of 4 feet

Flexible Outlets: 90° rotatable elbow outlet allows users to install the pump anywhere in a full 360° orientation

Single-Hand Pump Cartridge Release: Convenient when trying to access a pump located in a hard-to-reach area of the boat’s hull

Universal Backwards Compatible Design: 7-pump mounting hole pattern for replacing any top bilge pump in its category

SteadySwitch: Buoyancy control reduces cycling, draining the bilge not the battery

No Pipe Or Hose Removal Required: Reduces the time that it takes to replace the cartridge

Improved Motor Cooling/Heat Dissipation: Prevents overheating that may cause failures, such as blown fuse, leaking, etc.

Includes straight outlet and check valve