Best 12 Gallon Boat Gas Tanks in 2026

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

Hold down kit designed to secure portable fuel tanks

Includes two straps with quick release buckles and all required fasteners and deck fittings

Size: 63 inches

Country Of Origin: China

Package Height Of The Item Is 15.0"

Package Length Of The Item Is 20.0"

One of the best fuel tanks available in the industry with a 3-year limited warranty. The 6.0 gallon Dura-Tank self-sealing fuel connector, auto one-way venting, excess fuel line storage, and a built-in fuel cap retainer. Designed to withstand alchohol extended fuels.

For use on outboards up to 150hp with 3/8" hose assembly (not included)

Dimensions of tank are 18.5" x 11.5" x 11.5"

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

[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

【Lowest Price With Uncompromised Quality】Our fuel tanks supply to top American speed shops, here you get the exact same product with big saving, from our factory to your garage directly, only pay for the quality.

【Easy-Amouting Installtion】Two powder coated black steel brackets for easy mounting and rust free.

【Safe Packaging Protection】 Hard carton box with two tailor made PE foam hold the tank steady from both side, avoid shipping damage waste your time.

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.

Tank measures: 30" (L) x 9" (W) x 12" (H)

8 an fuel pickup, rollover vent & fuel return

For use with external fuel pumps only

Integral, top tank carry handle

Diurnal cap and fuel demand valve included

Integral fuel gauge

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.

Convenient combination fuel pick-up/sight gauge

Molded feet provide increased ventilation and stability

Accepts standard 1/4 NPT marine tank fittings

New

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

Application: The fuel tank is universal compatible with hot rod/street racing/track cars/truck/SUVs etc

Benefit: There is anti-sloshing foam inside which can help maintain fuel supply at the same level

Well-Made: Our fuel tank is made of high-quality aluminum, lightweight, strong, long service life, and easy to clean, can provide good storage conditions

【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.

Tank Color Red

Tank Capacity 24 gallons

Topside fuel tank

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.

Automatic vacuum valve

1/4" NPT thread to fit standard tank fittings

Designed to accommodate a strap and stack

Made of Strong UV Stabilised Plastic (polyethylene),this Outboard Fule tank is portable and light wieght compact with a convenient carry handle

Suitable for Small to Large Boats, Inflatables, Tinnies, Canoes and even Kayaks

12 Litre (3 Gallon) capacity most people call this a 12lt tank but its only 11.3LT Screw-on cap with breather vent Suitable for petrol: Leaded or Unleaded

※ 12L 3 Gallon Gas Fule Tank Suitable for Motor fuera de borda with Marine fule line connector hose

※ Made of UV resistant stable plastic (polyethylene),Light weight,easy to carry,safe and durable

※ Capacity： 3 gallons；Most people would say it's a 12 liter gas tank, but it's only suitable for 11.3 liters.

High Capacity 32 Gallon Fuel Caddy: Capacity: 32 gal/120 L. Our fuel storage tank can hold sufficient diesel securely. And it's a great tool for refueling or keeping diesel-powered equipment running, like lawn tractors, boat engines, generators, snowmobiles, ATVs, etc.

12V DC Pump: 12V diesel pump; Power: 140w; Flow: 40Lpm. The electric pump can help you quickly dispense and siphon fuel, which will save your effort and time compared with manual pumps. Get pumped up for any project and complete fill up with ease. Note: For diesel only.

Portable Fuel Caddy: The portable fuel tank features a heavy-duty top handle and two pcs 9.4" sturdy wheels lets you maneuver the fuel can over rough terrain. It is easy for you to use your fuel tank anywhere on your property, saving your energy and improving your work efficiency.

TANK-GAS 12G

Fuel Tank Adopts Seamless Integrated Polyethylene Fuel Tank Shell Structure, Features advanced styling and a highly functional design,anti-aging,impact resistance,corrosion resistance.

Portable boat fuel tank features a fine mesh input spout to filter out debris so you can fill this portable marine fuel tank without worrying about gunk and grime getting in the gasoline.

The metal nut can be vented and safe to use,which can be sealed or vented,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.

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.

【EXQUISITE OIL VOLUME INDICATOR】 Helps you to clearly understand the changes in the oil tank and the remaining oil volume and replenish it in time. A filter is built into the air inlet of the boat gas tank 3 gallon to ensure clean fuel.

【High Quality MATERIAL】 This plastic boat gas tank 3 gallon is made of durable, light ,high density polyethylene and anti-static additives, featuring in anti-ultraviolet, anti-aging, impact resistance, corrosion resistance and acid resistance. No electric spark will be generated during friction and impact to cause explosion.

【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, The boat gas tank 3 gallon air inlet has a built-in filter to prevent dust and foreign objects from entering. The screw-in cap with a vent hole can automatically vent, which helps to form a smooth fuel flow, thereby minimizing leakage.