If you’re outfitting a pickup with extra fuel capacity, choosing the right gas tank for the pickup bed is essential. This guide focuses on direct-fit replacements and under-bed solutions that maximize capacity without sacrificing space or reliability. Below, you’ll find five vetted options from trusted brands, with quick specs and what to consider when choosing between them. A concise buying guide follows to help you compare capacity, fit, installation, and compatibility for a confident purchase.
| Product | Brand | Capacity | Vehicle Fit (Representative) |
|---|---|---|---|
| TRQ Gas Fuel Tank 18.5 Gal | TRQ | 18.5 gallons | 1997-2002 Chevrolet S10, GMC Sonoma, 1996-2000 Isuzu Hombre |
| Garage-Pro Fuel Tank 19 Gal | Garage-Pro | 19 gallons | Toyota Pickup 1989-1995 (4WD Extended Cab or Long Bed) |
| TRQ Gas Fuel Tank 25 Gal | TRQ | 25 gallons | Chevrolet/GMC full-size trucks (late 90s) including C1500, C2500, C3500 |
| AM Autoparts Side Mounted Gas Tank 19 Gal | AM Autoparts | 19 gallons | Ford F-Series 1985-1986 (side-mounted option) |
| EVIL ENERGY 19 Gal Aluminum Fuel Cell | EVIL ENERGY | 19 gallons | Universal fit for various setups; aluminum construction |
TRQ Gas Fuel Tank 18.5 Gal
The TRQ 18.5-gallon tank is designed as a direct-fit OE replacement for older pickups, ensuring a straightforward swap without custom fabrication. It targets popular mid-1990s to early-2000s models, including certain Chevrolet S10, GMC Sonoma, and Isuzu Hombre configurations. When evaluating fit, verify the listing’s Vehicle Specific compatibility details and aftermarket references GM16D and TAN00264 to confirm exact fitment for your truck.
- Direct Fit, OE Replacement Fuel Tank
- Vehicle Specific: Check listing for compatibility
- Aftermarket Reference Numbers: GM16D, TAN00264
Garage-Pro Fuel Tank 19 Gal
This 19-gallon fuel tank from Garage-Pro is presented as a direct replacement for 1989–1995 Toyota Pickup models, including extended cabs and long beds. It ships with a steel construction and includes a mounting pan, delivering a robust under-vehicle fuel storage option. Replaces OE number 7700135947, making it a practical choice for older Toyota trucks needing reliable capacity and a straightforward installation.
- Direct Replacement, Steel, 19 gal
- Compatible with 1989–1995 Toyota Pickup
- Includes pan; Replaces OE 7700135947
TRQ Gas Fuel Tank 25 Gal
The larger 25-gallon option by TRQ is intended for late-90s Chevrolet and GMC trucks, including various C and K-series models. It emphasizes a direct-fit OE replacement with fitment checks in the listing, and lists aftermarket references GM23C and TAN00278. This tank is suitable for users needing added range without requiring modifications to the truck’s bed or cab area.
- Direct Fit, OE Replacement Fuel Tank
- Vehicle-Specific: Check compatibility in listing
- Aftermarket Reference Numbers: GM23C, TAN00278
AM Autoparts Side Mounted Gas Tank 19 Gal
This AM Autoparts 19-gallon side-mounted gas tank is marketed for Ford F-Series trucks from the mid-1980s, offering a design that clears space in the cab and preserves bed capacity. The product page highlights both OE and aftermarket references (576-145; E5TZ9002L; 197-1379; F6B) and emphasizes compatibility with Amazon’s “confirmed fit” feature and compatibility charts to reduce guesswork during purchase.
- Side Mounted, 19 Gal
- OE and Aftermarket References: 576-145; E5TZ9002L; 197-1379; F6B
- Direct-fit philosophy with compatibility guidance
TRQ Gas Fuel Tank 20 Gal
The 20-gallon TRQ tank targets a range-conscious setup for classic Ford Mustangs and Mercury Cougars, focusing on a direct-fit replacement with fitment verification via the listing’s vehicle references GM14 or F28C. TRQ also positions itself as a resource for DIY installation via its broad video library and a long-standing reputation for compatibility across model years.
- Direct Fit, 20 gal
- Vehicle-Specific references: GM14, TAN00280 (example)
- DIY support and compatibility guidance
Buying Guide: Key Purchase Considerations And Comparisons
When choosing a gas tank for a pickup bed, consider capacity, fitment, and installation ease. Larger tanks provide more range, but may require routing changes for fill hoses and vent lines. Always verify the vehicle compatibility with the listing’s compatibility notes and fitment charts. Material matters; steel tanks withstand impact and wear, while aluminum tanks are lighter and corrosion resistant but may be less forgiving in rugged environments. Some options are side-mounted or under-bed relocations, each with different installation footprints and cab clearance implications.
- Capacity vs Vehicle Range: Choose a tank that balances desired range with available bed space.
- Fitment Verification: Use the product listing’s vehicle compatibility and, if available, the Amazon Garage fit tool to confirm compatibility.
- Installation And Mounting: Some tanks require mounting pans or brackets; others are direct replacements. Review included hardware and service manuals where possible.
- Material And Durability: Steel tanks are rugged; aluminum tanks save weight but may require protective finishes.
- Aftermarket References: Note OEM or aftermarket reference numbers to ensure exact match with your vehicle’s fuel system layout.
Across the options above, TRQ tanks emphasize direct-fit replacements for multiple GM and Ford trucks, while Garage-Pro and AM Autoparts provide established compatibility for older pickups. The EVIL ENERGY aluminum fuel cell offers a different approach with a modular, high-capacity option that may suit performance-minded builds. For the widest compatibility, review both the vehicle fitment lists and the included mounting hardware to ensure a smooth installation in the pickup bed.