The Best Spare Fuel Tanks for Truck Owners, Tested

If you’re a truck owner, ensuring you have reliable spare fuel storage is essential for long trips, worksite efficiency, or emergency preparedness. A quality auxiliary fuel tank not only extends your range but also provides peace of mind when you’re far from refueling stations.

In this review, you’ll find detailed insights into some of the best spare fuel tanks available for trucks, covering various capacities, materials, and features. Whether you’re looking for rugged durability, large capacity, or ease of installation, we’ve got you covered to help you make an informed decision.

Dorman 576-343 Fuel Tank – Reliable Replacement for Specific Chevrolet/GMC Models

The Dorman 576-343 Fuel Tank is designed as a direct replacement for the original fuel tank on select Chevrolet and GMC trucks, ensuring a perfect fit without the need for extensive modifications. Its reliable construction guarantees dependable service, especially if your existing tank is showing signs of wear or corrosion.

Made from rugged materials similar to the original part, this tank offers durability that stands up to tough conditions. The quality has been validated through rigorous testing to ensure a long service life, backed by a team of product specialists based in the United States. This makes it a trustworthy choice for those needing a straightforward, dependable spare fuel tank.

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• Reliable replacement – this fuel tank directly replaces the original fuel tank on specified vehicle years, makes and models
• Durable construction – this fuel tank is made from the same rugged materials as the original part for dependable service
• Quality assured – this part has been validated to ensure a quality fit and long service life
• Trustworthy design – backed by team of product specialists in the United States
• Ensure fit – to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool

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Better Built Steel Transfer Fuel Tank – Large Capacity and Spill Prevention

The Better Built Steel Transfer Fuel Tank stands out with its impressive 36-gallon capacity, making it suitable for heavy-duty tasks or long-haul trips. Its rectangular shape allows for efficient use of space in your truck bed, maximizing capacity without sacrificing maneuverability.

This tank features an overfill restriction that automatically shuts off the pump once full, preventing spills and waste. Built-in baffles add strength and stability, reducing the risk of contents shifting during transport. The 2-inch diameter flush-mounted inlet and outlet bungs facilitate fast and efficient fuel flow, saving you time during refueling or transfer operations.

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• Large 36-gallon capacity
• Overfill restriction provides automatic shutoff at the pump to prevent spilling
• Built-in baffles add strength and prevent contents from shifting during transport
• 2in. dia. flush-mounted inlet and outlet bungs allow for fast flow
• Lockable cap adds security

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Garage-Pro Fuel Tank for Chevrolet Fullsize Pickup – OE Replacement with Warranty

The Garage-Pro Fuel Tank is tailored specifically for Chevrolet fullsize pickups from 1982-1987, offering a 16-gallon capacity designed as an OE replacement. Its steel construction ensures durability and longevity, making it suitable as a spare or replacement tank.

This tank comes with a lock ring and a large filler pipe with a 1 5/8 inch inner diameter, facilitating quick refueling. Additionally, the 1-year unlimited mileage warranty provides peace of mind, indicating confidence in its quality and fit. Perfect for classic trucks needing a straightforward, reliable spare tank.

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• FREE 1-year UNLIMITED mileage warranty coverage on Garage-Pro items purchased thru AUTO PARTS GIANT Store
• A high quality, Direct Fit OE Replacement Fuel Tank from Garage-Pro
• Steel, Silver, 16 gallons / 61 liters
• With lock ring

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Dorman 576-334 Fuel Tank – Compatible with Select Chevrolet/GMC Models

This Dorman fuel tank offers a reliable replacement option for select Chevrolet and GMC models, matching the original fit and function. Its durable construction ensures dependable service, especially for vehicles needing a quick fix to extend their operational life.

Validated for quality and backed by U.S.-based product specialists, this tank provides peace of mind for truck owners seeking a trustworthy spare. Its compatibility with various models makes it a versatile choice for fleet owners or individual enthusiasts looking to keep their trucks ready for the road.

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• Reliable replacement – this fuel tank directly replaces the original fuel tank on specified vehicle years, makes and models
• Durable construction – this fuel tank is made from the same rugged materials as the original part for dependable service
• Quality assured – this part has been validated to ensure a quality fit and long service life
• Trustworthy design – backed by team of product specialists in the United States
• Ensure fit – to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
• Please check the “Amazon Confirmed Fit” bar at the top of this page before buying product to ensure this product works for your vehicle. If the “Amazon Confirmed Fit” bar has an “i” in a blue circle, this product has additional notes. Please hover over the “i” on the bar to see notes before making your purchase.

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Vigorighter 51 Gallon Aluminum Fuel Transfer Tank – Heavy-Duty Toolbox Combo

The Vigorighter 51-gallon aluminum transfer tank combines high capacity with integrated storage, offering an all-in-one solution for truck owners needing extra fuel and tools on the go. Its corrosion-resistant aluminum construction is built to withstand harsh conditions, making it ideal for construction sites, farms, or long-distance travel.

The compact design maximizes truck bed space, with a built-in toolbox measuring 31 inches long, 19 inches wide, and 8.8 inches high. Included with the tank is a 12 GPM 12V DC fuel transfer pump, complete with a 13-foot hose and auto-shutoff nozzle, providing spill-free refueling directly in the field. This plug-and-play setup easily connects to any 12V battery, making installation straightforward.

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• Heavy-Duty All-in-One Combo: This space-saving unit combines a full-size 51-gallon auxiliary fuel tank with a built-in toolbox, all crafted from rugged corrosion-resistant aluminum for maximum durability. Its compact footprint (overall 58.1"L x 19"W x 20"H, toolbox: 31"L x 19"W x 8.8"H) maximizes truck bed space, letting you haul fuel, tools, and cargo in one go.
• Rugged Corrosion-Resistant Build: Built to last, the entire unit features heavy-duty, corrosion-resistant aluminum construction. This rugged build is designed to endure tough conditions, ensuring reliable performance and long-term service on any worksite or road.
• Plug-and-Play Pump Kit: The included high-flow 12V DC fuel transfer pump (12 GPM) with a 13 ft hose and auto-shutoff nozzle delivers spill-free refueling directly in the field. Simply connect to a power source—installation is a breeze. Get true plug-and-play convenience.
• Universal Power & Fuel Use: Designed for ultimate versatility, the pump easily connects to any 12V battery (vehicle or standalone) and safely handles gasoline, diesel, kerosene, and mineral oil. It's the perfect refueling partner for trucks, tractors, boats, mowers, generators, and more.
• Overheat-Protected Motor: Engineered for dependable use, the pump features an intermittent-duty motor with a built-in thermal protector to prevent overheating. For maximum pump life, we recommend a 30-minute cooldown after extended pumping sessions.

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Fuel Filler Gas Tank Funnel Tube for Ford Vehicles – Easy Replacement

This fuel filler funnel tube replacement is designed specifically for Ford vehicles with capless fuel systems, including models like the F150, Explorer, and Mustang. Its precise fit ensures that your fuel system remains sealed and secure, preventing leaks or spills during refueling.

The package includes two funnel tubes, making it a cost-effective and practical choice for replacing damaged or worn filler necks. Its compatibility with multiple Ford and Lincoln models makes it a versatile option for owners of these vehicles needing a quick, straightforward repair.

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• Fits： For Ford expedition explorer Escape Edge Sport Fusion Focus For Mustang For Lincoln MKT MKZ MKC MKX For Mountaineer Mariner Hybrid For Milan Hybrid
• Applicability: The filter funnel tube for Ford gasoline vehicles with the capless fuel system
• Replace Part Number： 8U5A17B068AD, 8U5A-17B068-AD 8U5Z17B068A, 8U5Z17B068B, 8U5Z-17B068-B
• Package Included： Fuel Filler Funnel Tube *2
• Tips： If you have any other questions, please consult us and we are happy to answer it for you

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RDS MFG INC 72548 Fuel Transfer Tank – Heavy-Duty Auxiliary Storage

The RDS MFG INC 72548 is a 60-gallon auxiliary fuel tank designed for heavy-duty use, ideal for trucks that require extended range or additional fuel storage. Made in the United States, this tank is built with ruggedness in mind, suitable for demanding work environments.

The tank’s dimensions and capacity make it suitable for various truck models, and it’s designed for quick installation and reliable operation. Its large capacity is perfect for long-distance transportation, farming, or construction projects where refueling options are limited.

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• Product Type:Auto Accessory
• Item Package Dimension:53.34 Centimeters L X 53.34 Centimeters W X 142.24 Centimeters H
• Country Of Origin: United States
• Item Package Weight:54.431 Kilograms

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Scepter Duramax Flo ’N Go Portable Fuel Caddy – Versatile and Easy to Maneuver

The Scepter Duramax Flo ’N Go is a portable 14-gallon fuel caddy designed for ease of use across various applications, including lawn care, marine, and farm work. Its rugged design features 6-inch wheels and a heavy-duty handle, allowing you to maneuver it over tough terrain effortlessly.

Constructed from high-density polyethylene, this tank resists corrosion and dents. It offers two fueling modes: gravity flow for quick transfer when elevated, and manual pump for precise control when on the ground. The 10-foot hose and safety features make it safe and straightforward to refuel small equipment or fill gas cans directly.

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• 14-GALLON (53L) FUEL CADDY: The Scepter Flo 'N Go Fueling Station is a fuel tank on wheels for farm, marine, lawn mowers, home, and recreational use; A large capacity and convenient features make it great for filling vehicles and gas cans
• HEAVY DUTY PORTABLE GAS TANK: The rugged caddy design with 6-inch wheels and heavy-duty top handle allows you to maneuver the gas can over tough terrain; High-density polyethylene construction prevents corrosion and denting
• 2 FUELING MODES: Gravity-Flow Mode provides continuous flow when elevated above the tank being filled; Manual-Pump/Siphon Mode requires continuous use of hand pump when caddy is on the ground or below the tank being filled; Siphon-mode flow rate – 2.0 GPM
• EASY TO USE: Patented pump handle features a gas station-style stop and start pump handle; 10' automotive-grade rubber hose easily reaches equipment; Bolt-on hanger provides easy hose storage; Includes child safety lock
• SAFETY FEATURES: Anti-kinking hose sleeve adds prevents damage to the fuel hose at the connection point; Brass shut-off valve provides safe and quick hose disconnection; Spill-proof shut-off mechanism delivers mess-free fueling

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RDS MFG INC 60-Gallon Fuel Tank – Reliable Capacity for Various Needs

The RDS MFG INC 60-gallon fuel tank provides a substantial auxiliary fuel storage option suitable for trucks that need extended operational range. Its design supports gasoline storage with siphoning from the top using an electric pump, making refueling straightforward and safe.

Designed to fit some short bed trucks, this tank offers dependable performance and ease of installation. However, it’s essential to measure your truck to ensure compatibility before purchase, as it cannot be used to transfer fuel between vehicles.

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• RDS offers a full assortment of tanks in various capacities and dimensions to fit your needs
• Gasoline auxiliary fueling is allowed, if siphoned from the top of the tank by using an electric fuel pump
• Fits some short beds; please measure before ordering
• Cannot be used to transfer gasoline to another vehicle

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Buyer’s Guide: What to Consider

When selecting a spare fuel tank for your truck, several practical factors come into play. Understanding capacity, material, compatibility, and additional features helps ensure you choose a tank that meets your operational needs and fits your vehicle perfectly.

• Capacity: Choose a tank with enough capacity to meet your needs, whether for long trips, worksite use, or emergency backup. Larger tanks provide more fuel but can add weight and require secure mounting.
• Material: Durability depends largely on the material—steel tanks are robust and resistant to impact, while aluminum tanks are lightweight and corrosion-resistant. Consider your environment and usage when selecting material.
• Compatibility: Ensure the tank fits your vehicle's make, model, and fuel system type. OEM replacements are ideal for specific models, while universal tanks often need adapters or modifications.
• Installation: Look for tanks with straightforward installation processes, including mounting hardware and fitting instructions. Some tanks come with additional features like lock rings or integrated pumps for convenience.
• Additional Features: Features like spill prevention, built-in baffles, transfer pumps, and integrated toolboxes enhance usability and safety. Consider these based on your specific refueling or transport needs.
• Quality and Warranty: Opt for reputable brands that validate their products for quality and offer warranties. This ensures longevity and support in case of defects or issues.
• Portability and Space: If mobility is a priority, select lightweight, portable tanks with wheels or handles. Also, consider how the tank fits within your truck bed or storage area to maximize space utilization.

Conclusion

Choosing the right spare fuel tank involves balancing capacity, durability, compatibility, and features tailored to your specific use case. Whether you need a simple replacement, a large transfer tank, or a portable solution, there’s a product designed to support your truck’s fuel needs effectively.

Our top picks, including models from Dorman, Better Built, and Vigorighter, offer reliable, durable, and versatile options for different truck owners. Prioritize quality and fitment to ensure your investment provides long-lasting performance on every journey.