Top 10 Best rule 500 gph bilge pump in 2026

Last Updated - 6/17/2026

🏆Best Choice

SEAFLO

SEAFLO 01 Series 500 GPH Bilge Pump – 12V, 3/4" Outlet, Marine Submersible Pump with Anti-Airlock Protection, CE & Rohs Certified, 4-Year Warranty | Reliable for Boats and Marine Applications

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•[ SPECIFICATIONS ]: Model Number: SFBP1-G500-01 | Voltage: 12V | Flow Rate: 500 GPH | Outlet Diameter: 3/4" (19 mm) | Max Head: 6.56 feet (2 meters) | Current Draw: 1.6A | Max Draw: 4.0 A | Wire Lead Length: 3.0 feet (1 meter) | Warranty: 4-Year Limited Warranty
•[ POWERFUL 500 GPH WATER FLOW ]: This bilge pump delivers a steady flow rate of 500 GPH, ensuring efficient water evacuation for boats and marine systems. Its advanced motor and impeller design outperform standard pumps, offering reliable performance.
•[ ANTI-AIRLOCK PROTECTION ]: Engineered to prevent airlock issues, the SEAFLO 01 Series ensures consistent water flow for dependable operation in critical situations.
•[ ROBUST AND QUIET MOTOR ]: The sealed motor offers a long life and quiet operation, making it perfect for maintaining a peaceful environment while providing reliable performance.
•[ SNAP-OFF STRAINER BASE FOR EASY MAINTENANCE ]: The snap-off strainer base allows for quick and hassle-free maintenance, ensuring your pump remains in top condition with minimal effort
•[ DURABLE MARINE-GRADE CONSTRUCTION ]: Built with a stainless steel shaft, moisture-tight seals, and marine-grade blocked wiring, this pump resists corrosion and is designed to withstand harsh saltwater conditions.
•[ COMPATIBLE WITH SWITCH OR FLOAT SWITCH ]: This pump operates with manual switches or float switches, providing flexibility for various bilge setups and user preferences.
•[ FULLY SUBMERSIBLE DESIGN ]: Designed for complete submersion, this pump meets CE, RoHS, ISO 8846, and ISO 8849 standards, ensuring safe and reliable operation in marine environments.
•[ BACKED BY A 4-YEAR WARRANTY ]: Enjoy peace of mind with SEAFLO’s 4-Year Limited Warranty, offering dependable performance and long-term durability for all your water evacuation needs.

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$18.99

$24.99

-24%

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attwood

Attwood 5505-7 Sahara MK2 500 GPH 12-Volt Automatic Bilge Pump

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•PN 5505-7, 500 GPH, 12V, Fuse size: 3A, Outlet type: 3/4" & 1" barbs, Check valve: yes, Wire length: 29 1/2"
•The easiest automatic bilge pump to install and service and the most reliable automatic blige pump in fresh and saltwater applications
•The only automatic bilge pump that eliminates air-locks, Patented X-Air Impeller ejects trapped air in the pump and pipework
•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

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$60.91

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Jabsco

Jabsco Rule Industries 45DR 500Gph Replacement Motor Car- , White/Red

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•For use with Tournament Series Aerator Pumps
•Do NOT use with Pro-Series Aerator Pumps
•Flow Rate: 500 GPH
•Made in : China

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$45.72

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Rule

Rule Standard Bilge Pump 25DA- Not Automatic, Submersible, Marine Bilge Pump for Boats with Thermal Cut-Off, Check Valve, Low Amperage, 3/4" Threaded Ports, Ideal Boat Accessories - 500 GPH, 12V

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•Prevent Plumbing Headaches: Hidden air vents in Rule's reliable bilge pump stop air lock issues, ensuring water pump efficiency for smooth boating; essential for boat bilge pump setups, enhancing your marine bilge pump performance and safety.
•Protect Your Vessel with Peace of Mind: Built-in thermal cut-off in Rule's bilge pump safeguards against overheating; ensures long-lasting reliability and safety for your boat accessories, adding resilience and security to every maritime adventure.
•Keep Bilges Cleaner and Drier: Built-in check valves in Rule's submersible pump prevent backflow, eliminating water accumulation for uncompromised boat safety; perfect for enhancing marine adventures with efficient water pump technology.
•Hassle-Free Installation for Boaters: With threaded discharge ports, Rule's bilge pump ensures seamless setup and maintenance; perfect for boat lovers seeking a reliable submersible pump for efficient water management and a cleaner bilge.
•Smooth Sailing with Low Amperage: Rule's efficient boat bilge pumps draw minimal power, boosting energy savings while maintaining robust water removal; ideal for hassle-free performance in all marine bilge pump installations.

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$29.99

$44.77

-33%

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Rule

Rule-Mate Automatic Submersible Bilge Pumps 12V RM500B- 500GPH with Auto Sense Intelligence - Thermal Cut-Off & Backflow Prevention - Compact Design for Boats - Easy Install Threaded Discharge

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•Enhanced Efficiency: This Rule-Mate bilge pump delivers up to 10% more water flow than previous models while using the same amperage, providing quicker drainage without added energy consumption—perfect for maintaining a dry and safe vessel efficiently.
•Smart Auto Activation: Featuring advanced Auto Sense Intelligence, this automatic pump activates at 2 inches and shuts off at 3/8 inches, offering true hands-free operation that protects your boat from flooding and lets you enjoy peace of mind on the water.
•Reliable Backup System: In the event the sensor is blocked, the pump enters a backup mode, cycling every 2.5 minutes to manage excess water. This feature ensures your boat remains protected even if the primary detection system becomes obstructed.
•Advanced Safety Features: Built-in thermal cut-off protection prevents overheating, while hidden air vents reduce airlocks, enhancing performance, reducing maintenance needs, and extending the life of your 12V submersible bilge pump in all conditions.
•Quick, Hassle-Free Setup: Designed for convenience, this bilge pump includes a user-friendly threaded discharge system that simplifies installation, helping you upgrade your boat quickly and ensure your bilge area stays dry with minimal effort or downtime.

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$62.99

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Rule

Rule 12V Automatic Bilge Pump - Fully Submersible - 500GPH Output - Easy Clean Strainer - Low Power Use - Check Valve & Thermal Cut-Off - Ideal for Boats -107mm x 64mm x 74mm

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•Peace of Mind: Automatic checks every 2.5 minutes ensure continuous reliability; the pump runs for only 0.5 seconds per cycle, minimizing energy use while offering constant protection against unexpected water intrusion for your boat. A standard pump and float switch activate when water reaches 2" (5cm), while Rule automatic bilge pumps activate at 5/8" (1.6cm) and drain water down to 1/4" (0.6cm) for superior water removal.
•Energy Efficiency: With a low daily power consumption of just 0.20 amps, this automatic bilge pump provides environmentally friendly water removal, significantly reducing your boat's energy footprint while maintaining reliability for eco-conscious marine enthusiasts.
•Effortless Installation: Simplify setup with the threaded port design, eliminating the need for a separate float switch or third wire; this hassle-free configuration makes our automatic bilge pump for boats an ideal choice for quick and easy installation.
•Enhanced Safety: Built-in thermal cut-off protects against overheating; this automatic bilge pump provides reliable operation under demanding conditions, ensuring your boat's water management system remains secure and hassle-free even on extended trips.
•Durability Meets Convenience: The quick-release strainer and rugged plastic body make maintenance a breeze; ensuring longevity and ease of use, this automatic bilge pump is perfect for busy boaters seeking reliable performance without regular upkeep.

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$81.74

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Nvifco

Non-automatic 0.98 Inch Bilge Pump kit for Boats, 12V 500GPH Bilge Pumps with 6 Ft/1.8 Meters Hose, 2 Pcs Stainless Steel Clamps and Thru Hull Fitting, Suitable for Speedboats Yachts

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•Package Included: We will provide you with 0.98 inch 500 gph marine bilge pump 12v, 6 ft/1.8 m bilge pump hose, through hull connector and 2 hose clamps, with exquisite packaging, complete accessories and sufficient quantity, which can meet your daily various needs, so that you can use it with no hassle, and make you realize a worry-free shopping
•Easy to Use: The bilge pump kit for boats has a removable design, easy to assemble and disassemble, even if you don't have a lot of professional knowledge and installation experience, you can easily and quickly put it in place. In addition, it continues to run smoothly even when there is no water for a short period of time, and there is no risk of burning out the pump, which allows you to use it with peace of mind, freedom and without any hassle while using it
•Safe and Reliable: The non-automatic bilge pump is made of high quality material, very good sealing, oil, solvent and sunlight resistance, long service life, the detachable design also makes it easy to clean, easy to operate and use, with it, you will get a good shopping experience
•Easy to Carry: The rule bilge pump is compact and will not take up extra space, with high flow rate, high actual head and fast pumping speed, in addition, it is uniquely designed with a filter, which can quickly filter all kinds of impurities and garbage in the water to ensure that the pump is not interfered with in the process of working, which prolongs the service life of the pump
•Wide Range of Applications: Bilge pumps for boats have many applications, which can be used in a variety of working environments, ideal for use on fishing boats, cruisers, small speedboats, yachts and other vessels. In addition, bilge pumps for boats with hose kit is very practical, which can help you improve the efficiency of your work and bring you more obvious working results

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$25.75

$27.99

-8%

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Rule

Rule-Mate 500 Automatic Bilge Pump Marine , Boating Equipment

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•NEW
•Rule
•RM500A A

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$95.98

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Rule

Rule 25-35A Submersible Bilge Pump A-Matic Float Switch, 500 GPH, 12 Volt

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•A genuine Rule product, don't settle for less
•Outstanding quality and value
•3/4 inch discharge outlet
•3 year warranty
•All switches will turn the pump on when the water level reaches 2” (51mm) and will turn the pump off when water level falls to 3/4” (19mm) +/- .25”

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$87.57

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Rule

Rule 25SA-24 Bilge Automatic Pump, Beige, 500 GPH

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•High efficiency, low AMP motor
•Stainless-steel shaft
•Includes backflow preventer
•Sports product

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$90.20

$106.15

-15%

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