Best Thru Hull Livewell Pump for Boat Livewells

#1 · Best Overall

1. Rule 405FC Livewell Pump

• Material: Plastic
• Weight: 4.8 oz
• Voltage: 12 V

Best for: Cartridge-service 1,100 GPH pumps.

Why it ranks #1: Explicitly designed for thru-hull applications, it combines a tapered 3/4-inch NPT pickup tube, 1100 GPH flow, 12-volt operation, and a removable motor cartridge.

A removable motor cartridge is the practical distinction of Rule’s 405FC Tournament Series, allowing motor replacement while fittings and hose remain intact. Its 1,100 GPH rating and thru-hull application identify it for buyers planning a higher-flow livewell installation with service access in mind.

The 1,100 GPH rating places this pump above the listed 800 GPH options, while its tapered 3⁄4-inch NPT pickup tube defines a key plumbing connection to account for. The removable cartridge provides access to the impeller for cleaning and maintenance, and the listing says fittings and hose can remain intact when replacing the motor cartridge. Its 12V specification helps guide electrical matching, and the thru-hull application identifies the installation type.

Skip it if you need an 800 GPH cartridge pump; the Rule 403FC Tournament Series lists that lower flow rating.

Choose this Rule for a 12V thru-hull installation calling for 1,100 GPH and cartridge-based motor service. Its tapered 3⁄4-inch NPT pickup tube is a key plumbing detail to match before choosing it.

Listed on Amazon as: Rule 405FC Livewell / Baitwell Pump, Tournament Series, Removable Motor Cartridge, 1100 GPH, 12 Volt

#2 · Best 800 GPH Cartridge

2. Rule 403FC Livewell Pump

• Material: Blend
• Weight: 1.4 lb
• Voltage: 12 V

Best for: Serviceable 800 GPH thru-hull pumps.

Why it ranks #2: Its listing specifies thru-hull use, a tapered 3/4-inch NPT pickup tube, 800 GPH, 12 volts, and a removable cartridge for impeller access.

Rule’s 403FC combines an 800 GPH rating with a removable motor cartridge, giving buyers a thru-hull livewell pump with a serviceable motor assembly. Its tapered 3⁄4-inch NPT pickup tube specifies the connection to plan around, while the 12V designation guides electrical-system matching.

The 800 GPH capacity suits buyers whose livewell plan calls for that stated flow class, and the thru-hull application identifies the installation type. A tapered 3⁄4-inch NPT pickup tube gives the installer a defined plumbing connection to consider. The removable motor cartridge allows impeller access for cleaning and lets the motor be replaced while fittings and hose remain intact, according to the listing. At 12V, the pump also has a stated electrical requirement for system planning.

Skip it if you need 1,100 GPH with a removable cartridge; the Rule 405FC Tournament Series lists that higher capacity.

This Rule suits boaters planning an 800 GPH, 12V thru-hull installation who value cartridge access for cleaning and motor replacement. Match the tapered 3⁄4-inch NPT pickup tube to the planned plumbing.

Listed on Amazon as: Rule FC Tournament Series, Livewell / Baitwell Pump, Removable Motor Cartridge

#3 · Most Flexible Mount

3. T-H Marine 800 GPH Pump

• Material: Plastic
• Voltage: 13.6 V DC

Best for: Flexible-mount 800 GPH setups.

Why it ranks #3: This 800 GPH thru-hull pump offers straight or angle mounting, a 3/4-inch hose outlet, 30-inch lead wires, and a removable cartridge.

Dual-position mounting lets the T-H Marine pump accommodate straight or angle mounting, giving boaters flexibility when laying out an 800 GPH livewell installation. Its 30-inch lead wires also support setup planning by providing a stated wire length, while the 3/4-inch hose outlet defines the listed hose connection.

The 800 GPH rating provides a higher stated flow than 500 GPH models, and the 3/4-inch hose outlet gives buyers a specific connection size to account for. Straight-or-angle mounting offers flexibility around the installation layout, while 30-inch lead wires help determine whether the wiring run can reach the intended connection point. The listing also identifies a removable, corrosion-resistant cartridge and quiet operation, features relevant to maintenance and onboard use.

Skip it if you need included angled and straight hose-barb connectors; the SEAFLO 05 Series 800 GPH pump lists both fittings.

Anglers wanting 800 GPH, mounting-position flexibility, and a stated 30-inch wire lead should consider this T-H Marine pump. Its 3/4-inch outlet remains an important connection detail to match to the boat’s hose setup.

Listed on Amazon as: T-H Marine 800 GPH Thru-Hull Livewell Pump – 3/4 Inch Hose Outlet Straight or Angle Mount Marine Livewell Pump with 30 Inch Lead Wires Corrosion-Resistant Removable Cartridge and Quiet Operation

#4 · Best 500 GPH Option

4. Rule 601STC Livewell Pump

• Material: Plastic
• Weight: 1.5 lb

Best for: Straight-intake 500 GPH setups.

Why it ranks #4: The title specifies straight thru-hull flow, and its 500 GPH version suits buyers seeking lower listed capacity; anti-airlock protection is also stated.

Straight thru-hull flow is the defining feature of Rule’s 601STC, giving boaters a 500 GPH livewell pump in a straightforward intake configuration. Its stated anti-airlock protection is intended to help keep water moving without airlock interruptions, supporting bait and catch circulation during a day on the water.

The 500 GPH rating identifies this as a moderate-flow option for a livewell, while the straight thru-hull design suits installations that call for that intake arrangement. Rule also lists anti-airlock protection, which addresses interrupted flow from airlock issues. The plastic pump weighs 1.5 pounds, a useful planning detail when accounting for equipment aboard. The listing mentions multiple flow rates across the Rule series, but this specific model is identified as the 500 GPH version.

Skip it if you need more than 500 GPH; the SHURFLO High Flow Livewell 1500 Pump is listed at 1,500 GPH.

Choose the Rule 601STC for a boat needing a 500 GPH pump with straight thru-hull flow and listed anti-airlock protection. Its capacity is the key boundary: anglers seeking higher flow should consider a larger-rated option.

Listed on Amazon as: Rule 601STC Livewell Pump for Boat Series 500 GPH/Straight Thru-Hull Flow

#5

5. Rule 401C Tournament Pump

• Material: Plastic
• Weight: 1.2 lb

Best for: Angled 500 GPH installations.

Why it ranks #5: The angled thru-hull fitting and 12-volt specification make it relevant where an angled intake is needed, though its listed capacity is 500 GPH.

An angled thru-hull fitting distinguishes this 12-volt Rule Tournament livewell pump, giving boaters a listed alternative to a straight intake arrangement. The pump is rated at 500 GPH, making its flow capacity clear for buyers planning a baitwell or livewell installation around that specific output.

The angled thru-hull fitting is the main installation consideration: it suits a setup calling for an angled fitting rather than the straight-flow style of some pumps in this roundup. Its 12-volt designation identifies the electrical system, and the listed 500 GPH rating gives buyers a concrete flow target when choosing a pump. The product is plastic and measures 11 by 10 by 5 inches, so those dimensions are useful when planning available installation space.

Skip it if you need 800 GPH circulation; the T-H Marine 800 GPH Thru-Hull Livewell Pump offers that higher listed flow rate.

This Rule fits boaters whose installation calls for an angled thru-hull fitting and whose livewell plan suits a 500 GPH pump. Check the listed 11-by-10-by-5-inch dimensions against the available space before selecting it.

Listed on Amazon as: Rule Marine Tournament Livewell Pump (Angled Thru Hull Fitting, 12-Volt)

#6 · Best Included Fittings

6. SEAFLO 05 Series Pump

• Material: Polypropylene (PP)
• Weight: 1.3 lb
• Voltage: 12 V DC

Best for: Angled saltwater-ready 800 GPH.

Why it ranks #6: This angled 800 GPH, 12-volt pump includes straight and 90-degree hose-to-barb connectors, two gaskets, and a four-year limited warranty.

An angled 90-degree fitting paired with a supplied straight fitting gives the SEAFLO 05 Series two listed hose-routing options for an 800 GPH pump. It runs on 12V DC and is specified for freshwater and saltwater use, making those details central to choosing it for a marine livewell.

The 800 GPH flow rate supports livewell circulation, while the included angled and straight 3⁄4-inch hose-barb connectors let the installer select a routing direction that suits the available space. Two rubber gaskets and a sealing nut are also listed, helping account for the connection components during installation. Its 12V DC supply and 4.0A current rating inform electrical planning; the detachable motor is relevant when access for maintenance matters.

Skip it if you specifically need a straight-intake pump; the SEAFLO 04 Series 800 GPH model lists a straight intake.

This SEAFLO suits boaters seeking an 800 GPH 12V pump with two connector angles and freshwater or saltwater use. Its 3-foot wire lead and 3⁄4-inch connector size are practical fit checks for the installation.

Listed on Amazon as: SEAFLO 05 Series 800 GPH Angled Baitwell/Livewell Pump- 12V DC, Detachable Motor, Corrosion-Resistant Submersible Aerator for Freshwater and Saltwater Use – CE & Rohs Certified-4 Year Warranty.

#7

7. SEAFLO 04 Series Pump

• Material: Polypropylene (PP)
• Weight: 15.8 oz
• Voltage: 12 V DC

Best for: Straight-intake 800 GPH livewells.

Why it ranks #7: The 800 GPH, 12-volt pump has a straight intake and replaceable cartridge motor; its listing does not explicitly identify a thru-hull application.

A straight intake sets the SEAFLO 04 Series apart for installations calling for that configuration, while its 800 GPH rating specifies the intended flow class. The 12V DC pump is listed for freshwater and saltwater and has a replaceable cartridge motor, pairing broad water-use compatibility with a serviceable motor design.

The straight-intake configuration is the key layout consideration for buyers planning the thru-hull pickup, and the 800 GPH rating identifies its flow capacity. Its 12V DC specification helps match the pump to the boat’s electrical system. SEAFLO lists a replaceable cartridge motor, which allows motor-focused service without making the pump’s whole assembly the only maintenance path. The product description also lists freshwater and saltwater use, supporting use across either environment.

Skip it if you need an angled pump with both connector options included; the SEAFLO 05 Series 800 GPH model lists angled and straight fittings.

Choose this SEAFLO for a straight-intake 800 GPH livewell setup using 12V DC, including freshwater or saltwater service. Its intake style is the main boundary, so match that configuration to the boat’s installation.

Listed on Amazon as: SEAFLO 04 Series 800 GPH Baitwell/Livewell Aerator Pump with Straight Intake, 12V DC, Saltwater/Freshwater, Replaceable Cartridge Motor, 3⁄4" NPT Outlet, CE & Rohs Certified – 4-Year Warranty!

#8

8. Yaegoo 800 GPH Pump

• Material: Plastic
• Weight: 0.6 kg
• Voltage: 12 V

Best for: Compact 90-degree intake setups.

Why it ranks #8: It lists 800 GPH, a 90-degree threaded intake, anti-airlock fins, and a removable cartridge, but the supplied details do not clearly confirm thru-hull fit.

A 90-degree threaded intake and compact profile make this Yaegoo 800 GPH pump a candidate for confined installation spaces that need an angled pickup. Its internal anti-airlock fins are listed to support even water flow, while the removable cartridge gives owners access for cleaning or replacement.

The 800 GPH output places this pump in the same flow class as several options here, while its 90-degree threaded intake defines the pickup arrangement. The listing describes a smaller profile for confined spaces and extra length for thicker transoms, details that can matter when planning mounting and reach. A removable cartridge supports cleaning or replacement, and the pump is fully submersible with tin-coated 16-gauge wire. Stainless-steel shafts are specified for fresh or salt water.

Skip it if you need both angled and straight hose-barb fittings included; the SEAFLO 05 Series 800 GPH pump lists both.

This Yaegoo suits boaters seeking an 800 GPH submersible pump with a 90-degree threaded intake, cartridge access, and listed freshwater or saltwater use. Make sure the angled intake matches the planned thru-hull layout.

Listed on Amazon as: Livewell Pump 800GPH 12V, Live Well Pump for Boat, Live Bait Tank Aerator

#9

9. SHURFLO 1500 GPH Pump

• Material: Nylon
• Weight: 4.54 g

Best for: Continuous-duty high-flow circulation.

Why it ranks #9: Its 1500 GPH rating is the highest listed, and the description notes continuous-duty submersible operation and anti-airlock protection, but not thru-hull fittings.

A listed 1,500 GPH capacity sets the SHURFLO High Flow Livewell Pump apart for installations that call for substantial water movement. It is also described as submersible and rated for continuous duty, while an anti-airlock feature is listed to help maintain operation without airlock interruptions.

The 1,500 GPH rating gives buyers a clear high-flow target when planning circulation, and the continuous-duty designation supports operation over an extended period. Because the pump is submersible, its listed style fits submerged installation planning. SHURFLO also identifies an anti-airlock feature, which addresses airlock-related interruption, and nylon as the material. These details make it important to choose this model for a system suited to its high flow rating rather than selecting by brand alone.

Skip it if you need an 800 GPH pump instead; the T-H Marine 800 GPH Thru-Hull Livewell Pump lists that lower capacity.

This SHURFLO fits buyers planning a high-flow, submersible livewell pump for continuous-duty operation. The 1,500 GPH rating is its main boundary, so ensure that capacity suits the intended livewell system.

Listed on Amazon as: SHURFLO High Flow Livewell 1500 Pump – 12 VDC, 1500 GPH

#10

10. SHURFLO Piranha 1100 Pump

• Material: Plastic
• Weight: 2 lb

Best for: Higher-flow dual-port livewells.

Why it ranks #10: The product is identified as a 12-volt dual-port livewell pump, but the supplied listing lacks a stated thru-hull fitting or other intake details.

The SHURFLO Piranha is identified as a 1,100 pump with a dual-port configuration, giving buyers a higher-flow option when planning a livewell system around that arrangement. Its 12V designation specifies the electrical supply, while its submersible style identifies the listed installation category.

The 1,100 flow designation makes this a higher-capacity choice than the 500 and 800 GPH pumps listed elsewhere in the roundup, so it suits buyers whose planned system calls for that output. The dual-port description is an important configuration detail to weigh against the boat’s plumbing layout. SHURFLO lists the pump as 12V and submersible, giving buyers the power and installation categories to verify during selection. The listed material is plastic.

Skip it if you need a single-port 800 GPH pump; the Rule 403FC Tournament Series is listed at 800 GPH.

Consider the SHURFLO Piranha when a 12V submersible pump with a dual-port configuration fits the planned livewell system. Its dual-port layout and 1,100 designation are the key details to match to the boat.

Listed on Amazon as: SHURFLO Piranha Dual Port Livewell 12V Pumps 1100