Finding a reliable spare fuel tank for a truck helps extend range on long hauls or when access to fueling is limited. The selections below cover a range of capacities, materials, and installation considerations, from compact OEM-replacement tanks to larger, aftermarket options. Each product is designed to fit specific Chevy/GMC trucks or broadly fit pickup configurations, with attention to corrosion resistance, fitment, and durability. Use the buying guide to compare tank construction, compatibility, and installation requirements before purchasing.
| Product | Brand | Capacity (gallons) |
|---|---|---|
| TRQ Gas Fuel Tank | TRQ | 16 |
| Dorman 576-334 Fuel Tank | Dorman | Typically OEM-sized (varies by model) |
| TITAN 55 Gallon Replacement Diesel Tank | TITAN Fuel Tanks | 55 |
| Spectra Premium GM23B Fuel Tank | Spectra Premium | Varies by application |
| Better Built 36-Gallon Transfer Tank | Better Built | 36 |
TRQ Gas Fuel Tank 16 Gal — Direct Fit for Chevy/GMC
The TRQ 16-gallon fuel tank provides a direct-fit, OE-replacement option designed for select Chevrolet and GMC models from the 1980s. It emphasizes vehicle-specific compatibility, helping to simplify installation for enthusiasts restoring classic trucks. The listing notes the part numbers GM11B and TAN00256 as aftermarket references, which can aid buyers matching existing documentation. This tank is pitched for straightforward replacement rather than aftermarket capacity expansion, aligning with OEM-style fuel-system layouts for reliable operation.
Dorman 576-334 Fuel Tank — Select Chevy/GMC Models
Dorman’s 576-334 fuel tank is designed as a reliable replacement for specific Chevrolet and GMC models. Built to match the original tank’s dimensions and mounting, this part aims to restore proper fuel capacity and integrity without altering the fuel delivery system. The product emphasizes durability, ensuring it withstands typical road conditions. It is positioned as a quality-checked option to deliver a long service life and dependable performance in daily driving or work truck use.
TITAN 55-Gallon Replacement Diesel Tank
The TITAN 55-gallon tank represents a large-capacity option for diesel-powered trucks. It is designed to be a mid-ship, direct replacement that preserves stock sending units while offering a notably larger capacity than the factory tank. The design notes emphasize compatibility with commonly used accessories like air-ride or electronic fuel systems and compatibility with brands such as Fleece, AirDog, and FASS. This tank aims to maximize range without compromising installation or serviceability on compatible crew-cab and short-bed configurations.
Spectra Premium GM23B Fuel Tank
The Spectra Premium GM23B fuel tank is designed for OE fit, form, and function, leveraging extensive OE design expertise. The tank includes a lock ring to facilitate installation and reduce on-site time. Built with corrosion-resistant Ni-Terne steel, it prioritizes durability in typical driving conditions and long-term reliability. This option aims to deliver a factory-like solution with modern corrosion resistance for Chevrolet and GMC pickup applications where OEM compatibility is essential.
Better Built 36-Gallon Transfer Tank
The Better Built transfer tank offers a larger 36-gallon capacity in a rectangular, robust steel build. It includes an automatic shutoff feature at the pump to prevent spills and built-in baffles to minimize shifting contents during transport. This design favors heavy-use contexts, fleet applications, and trucks where stability and spill prevention are priorities during refueling or transport moves. The tank is constructed to endure challenging conditions typical of work-focused truck use.
Buying Guide: Key Considerations For Spare Fuel Tanks
- Capacity needs: Determine whether a stock replacement or larger capacity is required for extended trips or off-road work. Larger tanks may affect weight distribution and clearance.
- Vehicle compatibility: Confirm fitment with your make, model, year, and cab/bed configuration. OEM-replacement tanks minimize fitment issues, while high-capacity options may require additional adapters or mounting hardware.
- Material and durability: Steel tanks offer rugged durability and long life, while coatings protect against corrosion. Ni-Terne or other corrosion-resistant alloys improve longevity in harsh environments.
- Installation considerations: Some tanks include locking rings, baffles, or drain plugs to simplify maintenance. Check whether your vehicle’s OE sending unit and mounting points remain compatible.
- Accessories and compatibility: If you use aftermarket fuel systems (Fleece, AirDog, FASS, etc.), verify tank compatibility to avoid fitment conflicts or electrical issues.
- Safety features: Overfill protection, spill-prevention features, and robust mounting reduce risk during refueling and transport.
- Brand and warranty: Reputable brands (TRQ, Dorman, Spectra Premium, TITAN, Better Built) often provide clearer documentation and longer warranties, aiding long-term reliability.
- Repair and replacement strategy: For aging trucks, consider compatibility with multiple references and ease of sourcing parts from well-supported lines.
Selecting the right spare fuel tank involves balancing capacity, fit, durability, and ease of installation. The options above cover a spectrum from direct-fit OEM replacements to high-capacity aftermarket tanks designed for extended range. Review vehicle-specific fitment details in each product listing to ensure a compliant and safe installation path.