Best Seasense Boat Engine Fuel Tanks in 2026

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

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)

Bracket Tie Down: 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

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

Compatible with ¼-inch NPT fuel fittings

Provides accurate fuel level information

Suitable Tank Depth: 6 to 12 inches

Can be used for gas or diesel

[Fuel Up with Ease]: Depend on the BISupply Boat Gas Tank 6 Gallon Boat Fuel Tank to refill your boat without stress or mess; Outboard fuel tank package includes (1) 24L tank and (1) hose for your convenience

[Built to Last]: No need to worry about this boat gas tank 6 gallon portable gas tank leaking fumes and losing gasoline before you get to the water; Marine gas tank is constructed of durable P.E. plastic to ensure maximum durability for repeated, extended use

[Easy to Fill]: Portable boat gas tank features a fine mesh input spout so you can fill this portable marine fuel tank without worrying about gunk and grime getting in the gasoline; Gas tank boat container includes an indicator to show when the tank is full or empty

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

For use with Honda brand engines and tanks

For use with male tank

Constructed out of chrome-plated brass

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.

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.

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

【High Quality Marine Fuel Tank】This plastic stable fuel tank is made of durable, light ,high density polyethylene(will not chip, crack or rust),easy to carry, easy to store, safe and strong, suitable for gasoline.

【 Large Capacity 】Boat Fuel Tank have 3 gallon (12 L) and 6.3 Gallon (24L)，diameter of tank opening is 1-1/2", this is an outboard fuel tank that can be used for the outboard engines of Yamaha.

【Two Designs of the Fuel Tank Cover】The fuel tank cover can be sealed and deflated, screw cap with vent on top, including fuel collection pipe and 1/4" NPT internal threaded fuel tank accessories, molded handle on top of fuel tank.

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.