12V Onboard Air Compressor with Tank 120PSI | Train Horn & Tires

12V Onboard Air Compressor with Tank 90-120 PSI Auto Inflate Stop, 1.6 Gal Steel Tank Kit for Train Air Horn, Tire Inflation & Air Mattress – Universal Truck SUV Fit, Anti-Rust, Shock Absorbing

$62.61

Power Your Air Horn & Inflate Anything with the 12V Onboard Air Compressor Kit

Whether you need a thundering train air horn, quick tire inflation on the trail, or a reliable onboard air system for your truck or SUV, this 12V air compressor kit delivers. Featuring a heavy-duty steel tank (available in 0.8 gal / 3L or 1.6 gal / 6L), a 5,000 RPM compressor motor, and an intelligent auto-shutoff system at 120 PSI, this kit is engineered for performance, safety, and durability. Universal 12V compatibility means it works with virtually any vehicle—trucks, SUVs, RVs, and more—right out of the box.

Why Truck & Off-Road Enthusiasts Choose This Kit

💨 90–120 PSI Auto Inflate & Stop – Automatically inflates when pressure drops below 90 PSI and shuts off above 120 PSI to prevent dangerous overpressure
🪣 1.6 Gal Heavy-Duty Steel Tank – Anti-rust coated, corrosion-resistant, impact-resistant, and tightly welded for minimal leakage and long-term reliability
⚡ 5,000 RPM Motor – Reaches working pressure fast with minimal noise, ideal for train horns, tire inflation, air mattresses, and pneumatic tools
🛡️ Shock Absorption & Heat Resistance – Thick rubber cushion reduces vibration; PA gas pipe handles up to 120°C; motor has 100°C overload protection for safe all-weather operation
🔧 Built-In Safety Features – Includes fuse protection, a real-time pressure gauge, and a drainage plug for easy water release from the tank
🚗 Universal 12V Compatibility – Works with any 12V battery system: trucks, SUVs, RVs, cruise vehicles, and more

Product Specifications

Feature	Details
Voltage	12V DC (Universal)
Tank Sizes	0.8 gal (3L) / 1.6 gal (6L)
Working Pressure	90–120 PSI
Motor Speed	5,000 RPM
Tank Material	Heavy-Duty Steel, Anti-Rust Coated
Gas Pipe	PA Material, Heat Resistant to 120°C
Motor Protection	100°C Overload Shutoff
Safety Features	Fuse, Pressure Gauge, Drain Plug
Applications	Train Horn, Tire Inflation, Air Mattress
Compatible Vehicles	Truck, SUV, RV, Universal 12V

Frequently Asked Questions

Q: What can I use this air compressor kit for?
A: This kit is ideal for powering train air horns, inflating tires, filling air mattresses, and supplying air for pneumatic accessories. It delivers fast, stable air pressure for a wide range of onboard applications.

Q: Does the compressor automatically stop when the pressure is reached?
A: Yes. The intelligent pressure control automatically activates the compressor when tank pressure drops below 90 PSI and shuts it off when it reaches 120 PSI, protecting your system from overpressure at all times.

Q: Will this fit my truck, SUV, or RV?
A: This kit is designed for universal 12V compatibility, making it suitable for virtually any vehicle with a 12V battery system, including trucks, SUVs, pickups, and RVs.

Q: Is this a good gift for a truck or off-road enthusiast?
A: Absolutely. It's a practical, high-value gift for anyone who drives trucks, goes overlanding, or wants to install a train horn or onboard air system. Great for birthdays, Father's Day, or the holidays.

Q: How do I install this compressor kit?
A: Mount the tank to your vehicle frame or undercarriage, connect the compressor and pipe set, wire to your 12V battery with the included fuse, and connect your air horn or inflation device. No advanced tools required for a basic installation.

Q: Is this safe to use in hot or cold weather conditions?
A: Yes. The PA gas pipe withstands temperatures up to 120°C, and the motor features a 100°C overload protection shutoff. The rubber shock cushion further stabilizes the system across varying road and weather conditions.