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Air suspension vehicles have become popular due to its function and stability while providing a smooth ride quality. By replacing the conventional steel springs with an air pump or compressor, it allows the driver to either lower or lift the height of the vehicle even at high speed.

As most vehicles do come with conventional metal springs; there are vehicle owners who prefer to customize their cars, motor cycles, SUVs or even trucks by having it configured with electric or engine-driven air compressors. Also, there are car models in the market that are already equipped with air suspension mechanisms. Overtime, the parts may wear out and may need replacement. In these cases parts such as air struts, air springs, air bag suspensions and dryers and other suspension parts and equipments can be sourced from local dealers. These businesses that specialize in air suspension vehicles and equipments sell suspension kits and parts and provide services such as installation, replacement and custom applications to convert vehicles to air suspension technology.

The conversion process involves the removal of metal springs that can either be a coil or leaf type. After which, an air spring is fabricated in place of the original steel spring.
Common vehicles that use air suspension today include cars from Maybach,Rolls-Royce, Lexus, Cadillac, Mercedes-Benz, Land Rover, SsangYong, Audi, Subaru, Volkswagen, Lincoln and Ford. Citroen features hydractive suspension which is computer controlled. It is an improved version of their hydropnuematic system which features sport and comfort modes for the occupants as well as lowering the height of the car at high speeds. It also continues to maintain ride height when the engine is in idle or not running.

Considered to be the most road-friendly, passenger trains and other large or heavy duty vehicles such as trailers and trucks have also adapted the air suspension system. Due to this, the Australian Road Transport Suppliers Association or ARTSA, and Australian Trucking Association or ATA, has released an Air Suspension Code that contains the Guideline for Maintaining and Servicing Air Suspensions for Heavy Vehicles.

Below are some advantages of air suspension vehicles:

• Money-saving. Because of its capability to reduce weight using air suspension, it increases the fuel mileage and thus saves money.
• Better Mobility. It provides better vehicle mobility and driving control enabling the vehicle to maneuver with ease when parking or when driving over rough or uneven roadways and terrain.
• Safety. Air suspension provides safety on loaded vehicles, making sure that the wheels are in contact with the road by balancing the vehicle's weight.

Common air suspension problems

• Air bag or air strut failure. This type of problem is caused by wet rot due to old age or moisture within the air system. An air bag failure may lead to completely immobilizing the vehicle.
• Air line failure. This occurs when the air line rubs against a sharp edge of a chassis member or moving suspension component.
• Compressor failure. This is primarily due to leaking air springs or air struts. This can also be caused by moisture in the air system.
• Dryer failure. The dryer becomes saturated and will be unable to perform. This can cause damage to the air springs or a burned out compressor.