Best Seasense Boat Engine Fuel Tanks in 2026

SIGNAL OUTPUT: Standard American Output, 240 ohm - 30 ohm (Empty - Full), Non-Linear Output, 18-21mm Per Step

MOUNTING METHOD: SAE 5 Hole Mounting Pattern ( NOT equidistant )

OPERATING: 12V/24V, -40° F to + 185° F (-40° C to +85° C)

Convenient wide-mouth, quart-size bottle

Clear oil level marks in black

Quickly and precisely determines ratios for 100:1, 50:1, 24:1 and 10:1 mixes

Bracket Tie Down: 035710 or 300110, Fuel Pick Up: 1, Diesel Return: No, Sender: Swing Arm A002074, Belly Tank: No

Machined aluminum 3/8 in. withdrawl fitting with 360° swivel poplock for hook-up convenience

Ethanol and biodiesel-corrosion and pit-resistant

One-way anti siphon valve prevents fuel theft and fuel spillage

Made of corrosion resistant aluminum

Meets U.S. Coast Guard regulations

Package length: 11.43 cm

Package width: 4.064 cm

Package height: 2.032 cm

This Cap Will Fit The Old Style Portable Moeller And Tempo Fuel Tanks

This Cap Is Manually Vented

Simply Twist The Top And Allow Your Tank To Vent

Country Of Origin: China

Package Height Of The Item Is 15.0"

Package Length Of The Item Is 20.0"

Perfect companion for Boating

High quality with low price

Durable and easy-to-read gauge

Automotive-grade, multi-layer construction withstands the pressure build-up associated with closed fuel systems

Cap with built-in vacuum valve means no need for manual venting

Meets EPA and CARB (California Air Resources Board) regulations

Compatible with Ethanol blended fuels- Engineered low permeation material which prevents fuel evaporation.

Easy Installation with barbed fitting for 5/16 inches (Internal Diameter).

Built with durable materials for marine environment.

Easily secure your fuel tank

Minimal drilling

Will stand up to marine conditions

Material- Boat fuel tank 3 gallon is made of high-density polyethylene as the base material，anti-aging, impact resistance, corrosion resistance . It can naturally rebound without permanent deformation after encountering an impact.

Convenient to Carry and Place- The outboard motor fuel tank equipped with an I-shaped lifting handle, which is more ergonomic, easy to carry and store，rust protection, durable, beautiful, easy to use handle design, light weight and portable, convenient to place and carry.

Two Modes of Sealing and Venting-There are two designs of fuel tank cap, which can be sealed or vented, and the metal nut can be vented and safe to use( high-quality spring designed for deflation. Unscrew the yellow metal nut to release the air in the fuel tank. Tighten the yellow metal nut and the oil tank is airtight), which helps to form a smooth fuel flow, thereby minimizing leakage.

For use with Honda brand engines and tanks

For use with male tank

Constructed out of chrome-plated brass

female fuel line connector has a 3/8" barb

comes in chrome brass

Built to OEM specifications

Made of 316 corrosion-resistant Stainless Steel

Require a approx. 1 3/8-inch hole, it is designed to connect with 5/8-inch interior diameter hose.the tank detail size refer to the left picture

Adopt fine grinding mirror polishing, precise, bright and with good flatness.

Automotive-grade, multi-layer construction withstands the pressure build-up associated with closed fuel systems

Cap with built-in vacuum valve means no need for manual venting

Meets EPA and CARB (California Air Resources Board) regulations

Holds tanks securely in place

Package Dimensions: 1.778 H x 21.59 L x 9.144 W (centimetres)

Package Weight: 0.05 pounds

The 3-gallon marine fuel tank is made of high-density polyethylene, which is anti-aging, impact-resistant and corrosion-resistant. It can bounce back naturally after an impact without permanent deformation.

12 Litre (3 Gallon) capacity most people call this a 12lt tank but its only 11.3LT Screw-on cap with breather vent.Standard nozzle: outboard motor(above 6HP)interface from the back holes.

Two Modes of Sealing and Venting-There are two designs of fuel tank cap, which can be sealed or vented, and the metal nut can be vented and safe to use(High-quality spring designed for deflation, Unscrew the yellow metal nut to release the air in the fuel tank. Tighten the yellow metal nut and the oil tank is airtight), which helps to form a smooth fuel flow, thereby minimizing leakage.

Fill neck length: 3 1/4"

Installation Hole Size: 2 1/4"

Flange Size: 3 1/2"

Automatic vacuum valve ensures proper fuel flow and eliminates the need for manual vent

Portable Fuel Tank is designed for use in all Marine and non-marine small engine applications and will provide years of leak-free performance

Low permeation tank virtually eliminates fuel evaporation and fuel loss

3/8 inch barb, resin

Mercury female fuel connector

2 prong clip style tank connector

Function: 14.1 x 10.6 x 8.7 in. Large-capacity: 3 gallon (12L),  9.8ft Brass Fuel Hose Barb. This is an outboard fuel tank that can be used for the outboard engines.

Compatible With: For Small/Large Boats, Inflatables, Canoes And Kayaks.

Material:Made of high-density polyethylene, it will not age for a long time, has low permeability, strong corrosion resistance, impact resistance, no rust, no deformation, and long service life.

Compatible With: For Small/Large Boats, Inflatables, Canoes And Kayaks

Design: The Fuel Tank Adopts Seamless Integrated Polyethylene Fuel Tank Shell Structure, Features advanced styling and a highly functional design

Features: There is a nut with its own air exhaust, which can minimize leakage, There is also a filter in the fuel tank to filter out debris

Meets USCG / ABYC / EPA requirements

Ergonomic carrying handles located on each end

Wider, deeper grooves allow secure tie down

Integral, top tank carry handle

Diurnal cap and fuel demand valve included

Integral fuel gauge

Built to Last- This boat fuel tank is made of high density polyethylene, low permeability, anti-aging, impact resistance, won't rust, crack or chip, it can naturally rebound without permanent deformation after encountering an impact.

Fuel Up With Ease- Marine portable fuel tank 3 gallon (12 litre) includes 1 pcs fuel line and 1 pcs primer bulb, the fuel hose comes with snap-on connectors to allow quick attachment and removal of boat fuel tank and outboard engine, fuel up with ease. It's perfect for small to large boats, inflatables, canoes and even kayaks.

Scientific Design- I-shaped lifting handle design is more ergonomic. It's light weight compact, easy to carry, easy to stow, durable and strong. The outboard boat motor fuel tank cap has two function, Sealing and Venting. In addition there are separate air inlet and oil outlet, design for prevent oil from spilling.

Suitable for truck, generators, bus and marine field. Widely used in fuel, water, Kerosene and chemical tanks

OEM quality, widely used on automotive and marine OEM. Reed switch, continuous and steady output signal. Simple and strong structure,. Advanced corrosion resistance. Long service life, anti-vibration, anti-explosion.

High quality fuel level sender Economical level sensing solutions.

1.Features：There is a nut with its own air exhaust, which can minimize leakage, There is also a filter in the tank to filter out debris.

2.Convenient to Carry：The tank equipped with an I-shaped lifting handle, which is more ergonomic, easy to carry and store.light weight and portable, convenient to place and carry.

3.Compatible With Kayaks, Small/Large Boats, Inflatables and Canoes.

[Material]: Made of heavy duty 316 marine grade stainless steel, rustproof, sturdy and durable for long time use

[High Performance]: Adopts fine grinding mirror polishing, precise, bright and with good flatness

[Simple Installation]: Easy to install, no drilling or welding required. Direct replacement for the old or broken one

Automatic vacuum valve

1/4" NPT thread to fit standard tank fittings

Designed to accommodate a strap and stack