Best 20 Gallon Aluminum Fuel Tanks for Vehicle Builds

A 20-gallon aluminum fuel cell can suit a custom vehicle when its dimensions, fittings, fuel compatibility, and sender match the build. The EVIL ENERGY tank is best for buyers seeking a compact 10AN cell with anti-slosh foam; the Parts-Diyer model offers dual outlets and vents. GSTP is better for a long, narrow installation, while the EVIL ENERGY kit bundles a fuel line and fittings. A 15-gallon option is included for buyers who can trade capacity for a smaller footprint.

Product Capacity Standout feature
EVIL ENERGY Black Fuel Cell 20 gallons 10AN fittings and anti-slosh foam
Parts-Diyer Aluminum Fuel Cell 20 gallons Dual outlets and vent outlets
GSTP Fuel Cell Kit 20 gallons 12-foot fuel line included
EVIL ENERGY Fuel Cell Kit 20 gallons Multiple fittings and 12-foot line
EVIL ENERGY 15-Gallon Fuel Cell 15 gallons Smaller listed dimensions

EVIL ENERGY 20-Gallon Black Fuel Cell

EVIL ENERGY 20-gallon black aluminum fuel cell

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This aluminum fuel cell measures 24 × 20 × 10 inches and uses 10AN inlet and outlet fittings. It includes a built-in 3–90 ohm level sender and internal anti-slosh foam.

Best for: Builders who want a 20-gallon cell with a compact rectangular footprint and a sender included. It was selected for its clearly listed dimensions, fittings, and foam.

Check before buying: The listing describes compatibility with several fluids but cautions against E85 gasoline, methanol, and ethanol when using CPE fuel lines. Confirm the intended fuel and line material before installation.

Parts-Diyer 20-Gallon Aluminum Fuel Cell

Parts-Diyer 20-gallon aluminum fuel cell

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Listed dimensions are 19.75 × 24 × 10 inches. This model has dual -10 outlets, dual top-mounted -10 vent outlets, a 0–90 ohm sender, a quick-release cap, and anti-slosh foam.

Best for: Buyers whose plumbing layout benefits from two outlets and two vents. The dual-port configuration distinguishes it from the single-cell descriptions of the other options.

Check before buying: Verify that the tank’s dimensions and outlet arrangement suit the planned mounting location and plumbing. The feature list does not specify fuel compatibility.

GSTP 20-Gallon Fuel Cell With Line

GSTP 20-gallon silver aluminum fuel cell kit

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This fuel cell measures 29.5 × 12 × 12 inches and has 8AN inlet and outlet fittings. The package includes a built-in 0–90 ohm level sender and a 12-foot CPE fuel line. The seller describes it for applications such as hot rods, street cars, track cars, trucks, and SUVs.

Best for: Builds with a long, narrow tank space and buyers who want a fuel line included. Its listed shape differs substantially from the 24 × 20-inch options.

Check before buying: Its 8AN fittings differ from the 10AN fittings on several alternatives. Confirm that the line and fitting sizes match the rest of the fuel system.

EVIL ENERGY 20-Gallon Fuel Cell Kit

EVIL ENERGY 20-gallon aluminum fuel cell kit

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The tank measures 24 × 20 × 10 inches and has AN10 inlet and outlet fittings, a 3–90 ohm sender, and internal anti-slosh foam. The package also lists a 12-foot 6AN CPE line, swivel fittings in multiple angles, and adapters from 6AN to 10AN.

Best for: Buyers who want a bundled line and several fitting angles for routing flexibility. It offers more listed installation components than the tank-only options.

Check before buying: The listing cautions against E85 gasoline, methanol, and ethanol when used with CPE fuel lines. Confirm fuel and hose suitability rather than relying on the included parts alone.

EVIL ENERGY 15-Gallon Aluminum Fuel Cell

EVIL ENERGY 15-gallon black aluminum fuel cell

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This is a smaller-capacity alternative, not a 20-gallon tank. It measures 19 × 17 × 10.03 inches and includes a 3–90 ohm sender and anti-slosh foam. Its inlet and outlet fittings are 10AN.

Best for: Buyers who have limited space or do not need the full 20-gallon capacity. It was selected as a relevant size alternative from the available listings.

Check before buying: The capacity is five gallons less than the requested size. The listing says it is suitable for fuel and diesel, but not alcohol, methanol, water, or ethanol.

Buying Guide: How To Choose A 20-Gallon Aluminum Fuel Tank

Will the tank fit the available space?

Compare the listed length, width, and height with the mounting area, allowing room for fittings, hoses, the cap, and service access. Do not compare capacity alone: the GSTP tank is long and narrow, while the EVIL ENERGY and Parts-Diyer models are more rectangular. Confirm the measurements against the actual vehicle layout before purchase.

Which fittings and plumbing do you need?

Check fitting size and count against the fuel system’s planned lines. The listed 20-gallon options include 10AN or 8AN tank fittings; the Parts-Diyer model also specifies dual outlets and vents. A kit with a line and fittings may reduce separate sourcing, but confirm that those components match the rest of the system.

Does the sender match the gauge?

The listed senders use a 0–90 ohm or 3–90 ohm range. Check the vehicle’s gauge requirements and sender wiring before choosing a tank. A sender included in the package does not by itself establish compatibility with a particular gauge.

Is the tank suitable for the intended fuel?

Use the product’s stated fuel limitations as a starting point, and verify material compatibility for the tank, hoses, and fittings as a complete system. Pay special attention to warnings about CPE lines and E85, methanol, or ethanol. Do not assume that all aluminum fuel cells or included hoses support every fuel type.

Frequently Asked Questions

What does a 0–90 ohm fuel sender mean?

It describes the sender’s resistance range. Check that the vehicle’s fuel gauge is designed for the same range before connecting it.

Why does anti-slosh foam matter?

Anti-slosh foam is included in several listed tanks to help limit fuel movement inside the cell. It does not replace correct mounting or system installation.

Are all of these tanks exactly 20 gallons?

No. Four listed options are described as 20-gallon cells. The EVIL ENERGY alternative is 15 gallons, so it is appropriate only if reduced capacity is acceptable.

Should I choose a tank-only option or a kit?

Choose a tank-only option if its fittings meet the build’s needs and you are sourcing compatible lines separately. Choose a kit if its included line and fittings match the planned plumbing; verify fuel compatibility and fitting sizes first.