Firestone 9546 20-Gallon Steel Air Tank with (6) 1/2" NPT and (1) 1/4" NPT Ports

The Firestone 9546 is a heavy-duty 20-gallon steel air tank designed to serve as a compressed air reservoir for air helper spring systems and on-board air applications. With a generous capacity and multiple port options, this tank is ideal for reducing air spring fill times and maintaining consistent pressure in demanding automotive and industrial setups.

Key Features:

• 20-gallon capacity — provides substantial air volume for faster inflation of air springs
• (6) 1/2" NPT ports and (1) 1/4" NPT port for flexible plumbing configurations
• 150 PSI maximum working pressure — built for high-demand applications
• SAE J10 compliant — manufactured and pressure-tested to twice the working pressure per SAE J10 specifications
• Internal and external enamel coating — baked black enamel on both inside and outside surfaces resists corrosion and extends service life
• Steel construction with brass fittings — durable, long-lasting build quality
• Designed and assembled in the USA
• 2-year limited warranty

The Firestone 9546 air tank integrates seamlessly with on-board compressor systems to deliver compressed air on demand. Whether used for air spring leveling, tire inflation, or auxiliary pneumatic needs, this tank offers the capacity and port versatility to handle a wide range of applications.