
1646403 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $76.99 | Condition is New, Scepter 6 Gal Under Seat Portable Marine Tank, Fuel Can Container for Boats, FREE SHIPPING | ![]() |
![]() | $86.24 | Condition is New, Scepter 6 Gallon Under Seat Portable Marine Fuel Tank 10511 Gasoline Red, FREE SHIPPING | 99.8% |
![]() | $69.99 | Top Pick! Condition is New, Scepter 6 Gal Under Seat Portable Marine Tank, Fuel Can Container for Boats, shipping cost = $19.98 | 99.6% |
![]() | $89.16 | Top Pick! Condition is New, Scepter 6 Gallon Portable Marine Gas Can, Boat Fuel Tank with 2-Way Vented Ca..., FREE SHIPPING | 99.7% |
![]() | $91.36 | Condition is New, Scepter Manufacturing, LLC. 4015239 Scepter Marine EPA Portable Fuel Tank, Red, , FREE SHIPPING | 98.6% |
![]() | $94.28 | Condition is New, Scepter 6 Gallon Portable Marine Gas Can, Boat Fuel Tank with 2-Way Vented Ca..., FREE SHIPPING | 100.0% |
![]() | $95.59 | Top Pick! Condition is New, Scepter 6 Gallon Portable Marine Gas Can, Boat Fuel Tank with 2Way Vented Cap..., FREE SHIPPING | 99.3% |
![]() | $105.96 | Condition is New, Scepter 10511 Rectangular 6 Gallon Under Seat Portable Marine Fuel Tank, FREE SHIPPING | 100.0% |
![]() | $115.07 | Condition is New, Scepter Compact Under Seat Portable Marine Tank w/Guage - 6 Gallon, FREE SHIPPING | 99.4% |
![]() | $100.21 | Condition is New, Scepter Under Seat Portable Fuel Tank 6 Gallon #10511, shipping cost = $27.80 | 99.5% |
![]() | $164.25 | Condition is New, Scepter 10511 Under Seat Portable Fuel Tank - 6 Gallon, FREE SHIPPING | 98.9% |

Introducing the 1646403 Gallon Marine Gas Underseat Design Boat Fuel Tank, a high-capacity and efficient solution for powering your watercraft. This fuel tank, manufactured by Scepter, is meticulously designed to meet the unique demands of marine applications.
The tank is crafted from durable and corrosion-resistant materials, ensuring that it withstands the harsh marine environment. With a capacity of 1646.4 gallons (6208.5 liters), it offers a substantial fuel supply for extended journeys or larger watercraft.
The underseat design of this fuel tank is not only aesthetically pleasing but also functional. It allows for easy installation beneath the deck of your boat, freeing up valuable deck space. The compact shape is engineered to fit seamlessly into the confined space under the deck, making it an ideal choice for boats with limited storage.
This fuel tank features a 2-way venting system, which includes a replaceable breather and a vent cap. The breather ensures proper airflow within the tank, preventing the buildup of harmful vapors, while the vent cap enables easy fuel filling and venting.
The Scepter 1646403 Gallon Marine Gas Underseat Design Boat Fuel Tank is equipped with an integrated fuel gauge, providing an accurate reading of the fuel level. This feature allows you to keep track of your fuel supply at a glance, ensuring you're never caught off-guard during your time on the water.
Additionally, this fuel tank comes with a self-venting fuel cap, which eliminates the need for manual venting before refueling. It also includes a child-resistant locking mechanism to ensure safety, making it a wise investment for families and boaters alike.
The Scepter 1646403 Gallon Marine Gas Underseat Design Boat Fuel Tank is designed to meet and exceed the requirements of the American Boat & Yacht Council (ABYC). This certification ensures that the tank is manufactured with the highest quality materials and workmanship, providing you with peace of mind and confidence in its performance.
In summary, the Scepter 1646403 Gallon Marine Gas Underseat Design Boat Fuel Tank is a high-capacity, durable, and functional fuel storage solution for your watercraft. Its underseat design offers space-saving benefits, while its 2-way venting system, integrated fuel gauge, and self-venting fuel cap provide added convenience and safety. With its ABYC certification, you can trust that this fuel tank is a reliable investment for your marine adventures.
Pros and Cons of buying a Scepter 1646403 Gallon Marine Gas Underseat Design Boat Fuel Tank 2-way
Introduction:The Scepter 1646403 Gallon Marine Gas Underseat Design Boat Fuel Tank 2-way is a popular choice for boat owners due to its large capacity and convenient design. However, like any product, it has its advantages and disadvantages. In this article, we will discuss both the pros and cons of purchasing this fuel tank.
Pros:1. Large Capacity: With a capacity of 1646 gallons, this fuel tank can provide a significant amount of fuel for larger boats or extended trips.
2. Convenient Design: The underseat design allows for easy installation and access to the fuel tank, making it a popular choice for many boat owners.
3. Two-way System: The two-way system allows for both filling and venting, making it more versatile than some other fuel tank options.
4. Durable Construction: The tank is made of high-density polyethylene, which is known for its durability and resistance to corrosion and impact.
5. Safety Features: The fuel tank comes with various safety features such as overfill protection and a vent cap that can be locked in place to prevent accidental fuel spills.
Cons:1. Heavy Weight: With a large capacity comes a heavy weight, making it difficult to move or transport the tank once it's installed.
2. Expensive: Compared to smaller fuel tanks, the cost of this large capacity tank can be quite high.
3. Limited Installation Options: Due to its size and weight, the tank may not be suitable for all types of boats or installation locations.
4. Potential for Leaks: Despite the tank's durable construction, there is always a risk of leaks, especially with large capacity tanks.
5. Requires Additional Accessories: To use the tank effectively, additional accessories such as fuel lines, filters, and pumps may be required, adding to the overall cost.
Conclusion:The Scepter 1646403 Gallon Marine Gas Underseat Design Boat Fuel Tank 2-way offers several advantages, including a large capacity, convenient design, and durable construction. However, it also has some disadvantages, such as its heavy weight, high cost, and limited installation options. Ultimately, the decision to purchase this fuel tank will depend on the specific needs and budget of the boat owner.
Recommendation:If you have a larger boat or plan for extended trips, the Scepter 1646403 Gallon Marine Gas Underseat Design Boat Fuel Tank 2-way may be a worthwhile investment. However, consider the weight, cost, and installation options carefully before making a purchase. Additionally, be sure to properly install and maintain the tank to minimize the risk of leaks and ensure safe operation.
Details:
If the vent is closed, tank will not in any direction. Portable gas tank: the EPA/carb-approved portable gas container has an integrated top handle for easy transport from dock to small fishing boats, dinghies, and other vessels; dimensions - 9.3 l x 12.2 w 10.2. Scepter 6 gallon portable Marine gas Can, boat fuel tank with 2-way vented cap, built-in gauge and pick-up, top handle, EPA carb compliant, underseat design, 19.3 l x 12.2 w 10.2 10511: 6-gallon 22.7l fuel tank for boats: the provides ample capacity for outboard motor boats; molded-in feet keep tank off floor better ventilation stability while slim profile makes convenient under-seat storage. Because of this, swelling and expansion are common, but tanks built to safely handle these pressures.
Built-in fuel gauge: the combination fuel pick-up/sight gauge is built right into the gasoline container and provides quick level checks; line sold separately attaches to side; accepts standard 1/4 not Marine tank fittings. 2-way vented gas Can cap: the innovative EPA/carb-approved vented cap allows air flow while refueling and automatically releases pressure above 5 psi to prevent dangerous vapor buildup; this fuel Can is compatible with diesel ethanol-blended fuels.
specifications inboardfuel:
- for models: Marine
- for makes: Can
- brand: Scepter
- mpn: 1646403
- part type: Fuel Tank
- upc: 063923105115
- universal fitment: Yes
payments inboardfuel:
- other
- credit card: diners-club
- wallet: paypal
shipping inboardfuel:
- transit: 2-4 days
- carrier: fedex
- type: fixed
- class: expedited
- service: fedex 2day
returns inboardfuel:
- paid by: seller
- time: 30 days
- policy: returns accepted
seller inboardfuel:
- rating: 99.3%
- # reviews: 1153
- city: phoenix, arizona
offer inboardfuel:
- availability: in stock
- in stock #: 5
- prices: $69.99–$164.25
- item condition: New
- sold #: 8
- started: march 19, 2026
- options: ship-to-home
- best offers: true
general inboardfuel:
- category: Boat Parts > Inboard Engines Components > Intake Fuel Systems
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