Finding the right extra gas tank for a truck can boost range for long hauls, off-road adventures, or work sites where fuel access is limited. This guide highlights five reliable options designed to fit a variety of trucks and needs, from underbed relocations to portable supplemental tanks. Each pick emphasizes direct-fit compatibility, capacities, and practical installation details to help you choose the best fit for your rig.
Summary of selected products
| Product | Brand | Capacity | Key Fit | Compatibility Notes |
|---|---|---|---|---|
| TRQ Gas Fuel Tank 16 gal | TRQ | 16 gal | Chevrolet/GMC trucks | OE-style direct fit; verify GM fitment |
| TITAN Fuel Tanks 55 gal | TITAN Fuel Tanks | 55 gal | Ford Super Duty (crew cab, short bed) | Mid-ship design; stock sending unit compatible |
| TRQ Fuel Tank & Strap Kit (19 gal) | TRQ | ~19 gal | Ford F-Series/F-250/F-150 | Includes tank, gasket, straps; DIY-friendly |
| 52 Gallon Portable Fuel Tank (Red) | KING CHAO FOO | 52 gal | Portable use across trucks/boats | 12V pump, 13 ft hose; durable LDPE |
| Brothers Trucks C2022-67 Gas Tank Relocation Kit | Brothers | 20 gal | Under-bed relocation; side-fill | Steel tank; moves tank out of cab |
TRQ Gas Fuel Tank 16 Gal for GM Trucks
Direct Fit, OE Replacement Fuel Tank for various GM pickups and SUVs. This 16-gallon tank is designed as a vehicle-specific replacement with official GM fitment references. It is presented as an aftermarket part with compatibility notes such as GM11B and TAN00256 to help validate fitment before purchasing. The emphasis is on a straightforward swap that mirrors the factory tank in size and mounting points, reducing the need for extensive modifications.
Fit and installation considerations: Confirm exact model compatibility using the listing’s fit information. The kit is positioned as a direct replacement that aligns with factory mounting hardware and sending unit interfaces, making it suitable for owners seeking a clean, factory-like upgrade without custom fabrication.
TRQ Gas Fuel Tank for 2014-2016 Ford F-250 & Other F-Series
This 25+ gallon-class tank is positioned as a direct-fit replacement for newer Ford Super Duty pickups. The listing notes reference numbers such as CC3Z9002C and emphasizes TRQ’s long-standing experience with direct-fit components. The product line highlights ease of installation with pre-assembled components designed to mirror the original equipment, helping to avoid modifications.
Key considerations: Validate fitment against your exact truck model and year through the Amazon Garage “confirmed fit” feature and the compatibility chart. The emphasis is on precise replacement that reduces installation time and risk of fitment issues, particularly for heavy-duty applications where tank dimensions and mounting points are critical.
TITAN Fuel Tanks XXL Replacement 55 Gal
The TITAN tank is a mid-ship, 55-gallon replacement designed for Ford F-250/F-350 Crew Cab short bed configurations. It provides a substantial fuel capacity upgrade, making it a compelling option for long-range trips. The kit is designed to work with the stock sending unit, avoiding the need for sending unit upgrades while remaining compatible with common aftermarket fuel systems like Fleece, AirDog, or FASS.
Practical notes: The larger capacity is balanced by the potential impact on undercarriage spacing and clearance, so verify available space around the fuel system and any nearby components. The tank is designed to minimize interference with powered steps, airbags, and other aftermarket accessories in typical installations, but it should be measured against your specific truck layout before purchase.
TRQ Fuel Tank & Strap Kit for Ford F-Series
This kit bundles a fuel tank with gasket and straps, offering a comprehensive DIY replacement solution for several Ford models from the late 1990s to early 2000s. Reference numbers such as 1L3Z9002BA and 4L3Z9002LA indicate compatibility across a range of F-Series trucks. The kit emphasizes easy replacement with pre-assembled components designed to align with OE mounting points, aiming to simplify the installation process for enthusiasts and professional mechanics alike.
Points to evaluate: Ensure your vehicle’s year and trim align with the listed compatibility. The included straps and gasket reduce the need to source separate parts, which can streamline the replacement process and reduce downtime during maintenance or restoration projects.
52 Gallon Portable Fuel Tank With Pump (Red)
This is a portable, 52-gallon fuel tank designed for versatility across trucks, boats, and ATVs. It includes a 12V electric pump, a long 13-foot hose, an automatic nozzle, and a lock. The tank body is made from ExxonMobil LLDPE, which offers durability and resistance to wear and UV exposure, making it suitable for outdoor use and frequent refueling tasks.
Considerations: Portable tanks provide flexibility but require secure mounting and proper venting to prevent movement or fuel spillage during travel. The long hose helps reach remote fill points, and the integrated nozzle helps manage fuel transfer efficiently. Check the power requirements and battery compatibility for your vehicle to ensure reliable operation on longer trips.
Brothers Trucks C2022-67 Gas Tank Relocation Kit
This kit relocates the fuel tank under the bed to free up cab space, featuring a 20-gallon steel tank with a side-fill design. It’s ideal for trucks with cabin space constraints or for customers seeking a cleaner underbody profile. Steel construction provides durability, and the under-bed placement helps preserve interior space for cargo and passengers without compromising fuel capacity.
Installation notes: Relocation kits typically require longer fuel lines and careful routing to avoid heat sources or interference with exhaust components. Confirm availability of mounting points and ensure clearance from driveline components, as well as proper securing of straps and brackets to avoid movement during operation.
Buying Guide: Key Considerations For Choosing The Best Extra Gas Tank
When selecting an extra gas tank for a truck, buyers should balance capacity, fitment, durability, and installation effort. This guide outlines several perspectives to help you choose wisely.
- Capacity vs. space: Larger tanks (like 55 gallons) dramatically extend range but require adequate undercarriage clearance and fuel line routing. Portable tanks offer versatility but require secure mounting and additional maintenance.
- Fixed vs. portable: Fixed tanks provide a permanent, space-efficient solution with integrated fuel systems. Portable tanks are flexible for multiple vehicles but may need extra hardware for secure transport and legal compliance for road use in some areas.
- Fitment accuracy: Vehicle-specific tanks reduce installation time and preserve OE interfaces. Always verify compatibility with your exact year, trim, and configuration using the manufacturer’s fitment charts or the seller’s listing notes.
- Compatibility with sending units: Some tanks are designed to reuse or be compatible with the stock sending unit; others may require sending unit alterations or replacements. Check this to avoid electrical or fuel gauge issues.
- Durability and materials: LDPE tanks are common for portable options, offering impact resistance and corrosion resistance. Steel tanks provide ruggedness for relocation kits but can add weight. Consider exposure to heat, road debris, and UV light, especially for outdoor applications.
- Installation effort: Direct-fit tanks minimize fabrication. Kits with gaskets, straps, and hardware simplify the process. For relocation kits, plan for additional time and verify compatibility with underbody components.
- Aftermarket ecosystem: Some brands offer extensive DIY tutorials and compatibility charts. This can reduce installation risk and improve results, particularly for first-time installers.
- Legal and safety considerations: Ensure any portable tank meets local regulations for road use, venting, and fire safety. For fixed installations, ensure all lines are properly clamped and shielded to prevent contact with hot surfaces or moving parts.
Choosing the right tank involves weighing how often you travel, the typical terrain, and how much you value temporary flexibility versus a permanent fuel capacity increase. By focusing on fitment accuracy, installation ease, and the intended usage scenario, you can select a tank that harmonizes with your truck’s design and your driving needs.