Seamless Tanks 5" Diameter

Seamless Tanks 5” Aluminum Air Tank — Lightweight Seamless Reservoir

Seamless Tanks aluminum air tanks are engineered for durability, corrosion resistance, and clean installation in air suspension systems. Manufactured from a single piece of extruded aluminum, these tanks eliminate welded seams, resulting in superior strength, reduced weight, and improved reliability.

Designed for automotive air ride applications where performance, longevity, and appearance matter.

Seamless One-Piece Construction

Unlike traditional welded steel tanks, these reservoirs are formed from seamless spun aluminum, reducing weak points and improving structural integrity. Flow-formed ports provide stronger threading and improved sealing for reliable connections.

Lightweight aluminum construction helps reduce overall vehicle weight while resisting corrosion over time.

Made in the USA

Manufactured in Fresno, California using U.S.-sourced aluminum, these tanks are built to meet high standards of quality and durability.

Key Features

• Seamless one-piece aluminum construction

• Lightweight and corrosion resistant

• Flow-formed threaded ports for stronger connections

• Clean modern appearance

• Multiple mounting positions with included hardware

• Ideal for air suspension systems

Available Sizes — 5” Diameter Tanks

ST512038-01
Capacity: 0.89 Gallon
Dimensions: 12” x 5.562”
Ports: (4) 3/8” NPT + (1) 1/4” NPT

ST518038-01
Capacity: 1.47 Gallon
Dimensions: 18” x 5.562”
Ports: (4) 3/8” NPT + (1) 1/4” NPT

ST524038-01
Capacity: 2.05 Gallon
Dimensions: 24” x 5.562”
Ports: (4) 3/8” NPT + (1) 1/4” NPT

ST528038-01
Capacity: 2.43 Gallon
Dimensions: 28” x 5.562”
Ports: (4) 3/8” NPT + (1) 1/4” NPT

ST532038-01
Capacity: 2.82 Gallon
Dimensions: 32” x 5.562”
Ports: (4) 3/8” NPT + (1) 1/4” NPT

Ideal For

• Air suspension systems

• Air management setups

• Custom trunk builds

• Show vehicles

• Lightweight performance builds

Why Choose Aluminum Over Steel

• Lighter weight

• Corrosion resistant

• Cleaner appearance

• Seamless construction eliminates weld failure points

Installation Notes

Proper mounting and secure fittings are recommended to ensure optimal performance and safety. Always pressure test after installation.

Serious Innovations Build Insight

Ideal for clean trunk setups where weight savings and appearance matter. Seamless tanks are preferred for high-end air ride systems due to durability and finish quality.