Seamless Air Tank 18" x 6.625", 5 x 1/4" NPT Ports
Seamless Air Tank 18" x 6.625", 5 x 1/4" NPT Ports – view 2
Seamless Air Tank 18" x 6.625", 5 x 1/4" NPT Ports – view 3
Specs & Fitment Add-On Parts Ask a Specialist

Seamless Air Tank 18" x 6.625", 5 x 1/4" NPT Ports

$174.95

Seamless aluminum air tank, 18 x 6.625 inches with five 1/4-inch NPT ports, for classic truck air ride builds. One-piece brushed construction with no welds to fail at the seam.

  • Fits where a long tank will not - 18 inch by 6.625 inch goes behind a seat or under a bed floor.
  • No weld seam - formed from one piece of extruded aluminum so there is no line to corrode or split.
  • Threads with material behind them - the ports are reformed from the tank wall rather than added on.
  • Five ports - supply; four corners or a gauge without a manifold of tees.
  • Angle friendly mounting - slim profile adjustable brackets take awkward spaces.
  • Made in the USA - Fresno California from American aluminum.

Install Level: Easy

SKU: AA-3941

⚠️
WARNING: Handling passenger or off-highway motor vehicle parts can expose you to chemicals such as phthalates and lead. Learn more.
Seamless Air Tank 18" x 6.625", 5 x 1/4" NPT Ports
$174.95

Finish the Build Right

Parts our crew pairs with this kit so your swap goes together right the first time.

1–2 of 4
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  • Loctite 565 Anaerobic Thread Sealant (6ml tube) $13.95 Details for Loctite 565 Anaerobic Thread Sealant (6ml tube)
  • ENDO Plug Kit $40.95 Details for ENDO Plug Kit
  • Fiction Fabrication e+ ECU ENDO Air Suspension Tank Bracket $59.95 Details for Fiction Fabrication e+ ECU ENDO Air Suspension Tank Bracket

Choosing an air tank for your air suspension system is one of the most vital parts of building your kit. You are going to want an air tank that is durable, seamless, and has the necessary NPT ports for an easy installation. This 18" seamless air tank from Seamless Tanks checks all of the boxes and provides you with a high-quality tank for your air suspension. 

Details

  • 18" Length
  • 6.625" Diameter
  • 5x1/4" NPT Ports
  • Brushed Aluminum Finish
  • Made In The USA
  • Slim Profile Adjustable Mounting Brackets
  • No Welds - One-Piece Seamless Design

About Seamless Air Suspension Tanks

Seamless Tanks produces top quality high pressure and reservoir tanks for the automotive, medical, agricultural, electrical, and other commercial industries. They welcome the challenges of making their customers’ parts, using the most efficient production methods to fit their proper needs and budgets. They look forward to meeting your requirements in a timely manner.

Their seamless aluminum tanks have made inferior strength, corrosion prone, heavy, steel welded tank construction a thing of the past. Their leading-edge manufacturing process has allowed them to form their tanks from a single piece of extruded aluminum tube, creating a true seamless tank. The modern and reliable forming process on tank ports reforms the base metal inward giving a superior surface area for threading. Their standard mounting hardware gives the customer a limitless range of mounting positions and angles to accommodate most mounting situations. Seamless is proud to offer a superior, great looking product that they manufacture in Fresno, California from aluminum made in the U.S.A.

What Size Air Tank Do I Need For Air Suspension?

One of the most common questions surrounding air suspension air tanks is “what size tank do I need for my air suspension kit?” Most air suspension systems are going to utilize a 3 gallon or 5-gallon air tank. The size you will need will depend on how often you plan on using your air suspension and the type/quantity of air compressor you are using. If you plan on airing out every chance you get, you may want to get a 5-gallon tank to store more air for quicker operation. Seamless tanks are offered in various sizes and in a brushed aluminum finish.

    AccuAir part number AA-3941
    Type: seamless aluminum air tank
    Length: 18 inch
    Diameter: 6.625 inch
    Ports: 5 x 1/4 inch NPT
    Finish: brushed aluminum
    Construction: one piece seamless extruded aluminum - no welds
    Port forming: base metal reformed inward for thread surface area
    Mounting: slim profile adjustable brackets included
    Origin: made in the USA - manufactured in Fresno California from USA aluminum
    Listed price 174.95 USD
    Gallon capacity is not published on this listing
    Universal air suspension and onboard air applications. No vehicle fitment is published for this tank.
    Plumbs with 1/4 inch NPT fittings at five ports.
    18 inch length by 6.625 inch diameter - measure your mounting space first.

    Talk to a Parts Specialist

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    Tip: have your truck's year, make and model handy.

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