Best Onboard Air System in 2023

Sometimes it might be quite difficult to find the best onboard air system. With every niche market offering so many different products, it makes sense that this is the case.

Unfortunately, this very fact can make it incredibly difficult to find the item that best suits your needs, which is why we’ve put together this onboard air system buying guide.

Our Favorite Picks:

Best Onboard Air System Reviews:

Bestseller No. 1
Kleinn Air Horns SDKIT-734 Bolt-On Train Horn/Ultimate Onboard Air System for Ford F-250/F-350 Super Duty Diesel Trucks
  • 3-Gallon Steel Air Tank
  • 150 PSI Rated System with 6450RC Air Compressor
  • Model-Specific Brackets for Air System, Horn and Horn Support Included
  • Tire Inflation Kit Included
  • Too Loud? Too Bad
Bestseller No. 2
Kleinn Air Horns RAM1500-734 Onboard Air and Train Horn System, Black
  • 2014-18 RAM 1500 - Except behind bumper winch
  • 100% Bolt-On - No Drilling, Cutting or Welding Required
  • 6450RC High Output Waterproof Air Compressor - 150 PSI / 100% Duty Cycle
  • Model 730 Deman Black Spun Steel Triple Train Horn - Produces a thundering 157. 8 dB Blast
  • Tire Inflator with 30 Foot Hose, Remote Quick Connect and Storage Bag
Bestseller No. 3
VIAIR 20185 Dual Stealth Black 485C Onboard Air System (200 Psi, 3.82 CFM, 40 Amp, 12V, 2.5 gal. Tank)
  • 2.5 gallon Viair air tank (200 PSI)
  • (2) 4485C Viair compressors
  • Illuminated dash panel gauge Kit, 200 PSI
  • Digital tire inflation gun (180Psi)
  • 0-220 PSI pressure regulator
Bestseller No. 4
VIAIR 20016 Stealth Black Dual 400c Onboard Air Kit, 1 Pack
  • (2) 400C VIAIR (chrome or Stealth Black) compressors
  • 2.0 gallon 150 psi VIAIR air tank
  • Duty cycle: 33% at 100 psi
  • Max. Working Pressure: 150 PSI
  • Universal fitment
Bestseller No. 5
Viair 10000 Onboard Air System
  • 1-gallon air system kit designed to work with air horns and lockers
  • Includes: Air tank, air compressor, omega bracket with mounting hardware, pressure switch (85 PSI on, 105 PSI off), 40-amp relay, 145 PSI safety valve, t-fittings, 1/4-inch drain cock, 1/4-inch compression fitting, 1/4-inch plug, pair of 1/4-inch NPT to 1/8-inch BSP, 20-foot 16-gauge wire with inline fuse holder, accessory airline, and electrical connections
  • 1-gallon air tank and 98C compressor combine for plenty of power
  • For air horn use, air lockers, and a host of other light duty pneumatic needs
  • Reliable air source in a smaller volume and a cost-effective package
Bestseller No. 6
VIAIR 10007 Constant Duty Onboard Air System
  • Intended for inflation of tires up to 37 inches. Designed to be installed and mounted onto the vehicle.
  • Includes all parts needed for installation of you very own onboard air solution for tire maintenance and small pneumatic tools
  • Comes with a VIAIR 450C Air compressor and a 110 to 145 PSI Pressure switch.
  • 150 PSI maximum working pressure and 100% duty cycle at 100 PSI
  • Can inflate four tires up to 37 inches in diameter. Designed for uninterrupted use for up to an hour (at 72 degrees ambient temperature) One year manufacturer's defect warranty included with copy of the receipt. Please check the manufacturer's website for a wiring diagram.
Bestseller No. 7
Kleinn Air Horns Direct Fit Train Horn and Onboard Air System for GMC 1500 Sierra and Chevrolet 1500 Silverado,Multi,GM1500-734
  • 6450RC High Output Waterproof Air Compressor – 150 PSI / 100% Duty Cycle
  • Model 730 Deman Black Spun Steel Triple Train Horn - Produces a thundering 157. 8 dB Blast
  • Powder Coated Custom Mounting Brackets.
  • 3-Gallon Air Tank with Cortec Interior Anti-Corrosion Coating.
  • Tire Inflator with Air Hose, Remote Quick Connect and Storage Bag
Bestseller No. 8
Viair 20017 Onboard Air System
  • 2.5 gallon 150 PSI Viair air tank
  • (2) 450C Viair compressors W/Thermal overload protectors
  • 30ft. Coil hose with quick connects
  • Tire inflation gun with 200 psi gauge
  • 0-220 PSI pressure regulator
Bestseller No. 9
Vixen Air Suspension Kit for Truck/Car Bag/Air Ride/Spring. On Board System- Dual 200psi Compressor, 5 Gallon Tank. For Boat Lift,Towing,Lowering,Load Leveling,Onboard Train Horn VXX1208GW/4852DC
  • POWERFUL AIR SUSPENSION KIT - This premium kit is designed to address high air demands of trucks and cars. It includes a 5-gallon tank with 9 ports, two 200 PSI compressors, high flow electric air valves, a dual gauge panel with 4-way switch control, and basic hardware for installation.
  • ONBOARD AIR SYSTEM WITH INCREASED CAPACITY & SPEED - The two compressors double the tank's air intake for a faster refill. The large tank volume with efficient refill allows your system to react quickly to changes. This is a perfect solution for vehicles with mid to large-size air bags, assuring a super-fast rise time and smooth operation.
  • HIGH FLOW ELECTRIC AIR VALVES - The 8 included high flow valves increase the airflow to and from the air bags, which improves the response time of your suspension system for outstanding performance.
  • EXTRA VOLUME FOR HIGHER AIR NEEDS - This kit is recommended for vehicles that need high suspension for heavy load leveling and have the space for two compressors and a 5-gal tank. It can also serve all your other air needs like airing up tires, train horns and additional air tools.
  • PREMIUM QUALITY - All components were made to maximize strength and durability. The tank is made of steel with an anti-corrosion coating and the compressors feature thermal overload protection to prevent overheating.
SaleBestseller No. 10
VIAIR 20013 Onboard Air System , Black
  • 2.5 gallon 200 PSI Viair air tank
  • (2) 380C Viair compressors W/Thermal overload protectors
  • 30ft. Coil hose with quick connects
  • Tire inflation gun with 200 psi gauge
  • 0-220 PSI pressure regulator

Last update on 2023-03-26 / Affiliate links / Images from Amazon Product Advertising API

How to find the best onboard air system?

Here, we’ll be going over a number of factors that you can use to ensure that you’re purchasing the best onboard air system for you.

Regardless of which type of item you’re looking to buy, chances are that there are existing buying guides on the internet, all of which aim to give you good onboard air system recommendations.

Despite these recommendations, however, it’s always a good idea to do your own research. In addition to this research, asking yourself the following questions is also super helpful:

  • What features does the onboard air system need to have to be perfect for my needs?
  • What is my budget?
  • Do I need to purchase a certain brand?

Once you’ve answered these questions and have a good idea of what you’re looking for and the buying process becomes much easier. Keep in mind that when looking for the best product, there’s no need to rush. In fact, very rarely are the ideal products found by choosing the first one you see or by basing your decisions on only one factor. Take your time and enjoy the process!

Now, with the answers to the previous questions in mind, we urge you to use our upcoming buying guide for onboard air system to find what you’re looking for:


In some cases, the brand of onboard air system is very important. For example, if you’re looking for an item that works in tandem with another, you might very well need both products to be the same brand. If this is the case, it’s vital to pay attention to this factor, as choosing the wrong product can mean the difference between wasting your money and buying a great product that functions as it should.


The features in any given onboard air system are important because they can dictate which version of an item you need and how much money you need to spend. Consider all the key features that you want your item to have and don’t settle for anything that doesn’t check at least ¾ of your boxes.


Customer reviews about onboard air system are crucial – especially when you’re buying a product that costs a lot of money or serves a big importance. Luckily, most products can be found online, which means that it’s common for there to be scores of customer reviews from those who have already purchased any given product.

Pay attention to these reviews. Take note of the pros and cons that they mention, and factor these into your big decision. In some cases, you’ll be forced to sacrifice one con in order to gain a particular pro, but being aware of the potential con is going to be beneficial in either case.


Of course, quality is key. You don’t want to purchase a low-quality product. If you do, you run the risk of your item breaking, not working properly, or otherwise proving to be very disappointing, as well as a waste of money.

You can compare onboard air system quality by researching what your potential purchases are made from, contrasting the individual items against each other to discern which one is made of the best materials.


Warranty isn’t always going to be important, but it definitely can be. This is especially true if the item in question is tech-related or expensive. A good warranty will be valid for an extended time after purchase and cover a variety of problems ranging from item defects to random accidents, water damage, and other miscellaneous events that could ruin your product.


The quest to find the best onboard air system can be daunting – but it doesn’t have to be. It can be made much easier by asking yourself a few simple questions and then thinking critically about the items you want to buy. Consider their features, quality, brand, warranty, and customer reviews and you’re more likely to make a great purchase.