1T15M-0 Firestone Truck Air Bellow W01-358-9039 Replace Air Spring For Hendrickson

The Function of Truck Air Spring
As a more advanced spring, air springs use the compressible properties of air to store air in a closed container. In order to achieve the functions of buffering and height adjustment, air springs are made of rubber.

Excellent vibration damping ability
Air springs are different from leaf springs in that they have very strong vibration reduction capabilities. Through the air path, valve body, additional air chambers, etc., the vibration level can be greatly reduced.

More comfortable to drive
Since the vibrations are greatly reduced, the suspension no longer hits the body hard, and the driver's feeling in the cab is that the vehicle is quieter and the driving is smoother.

Replacement and maintenance are more convenient
Air suspension also has some advantages when it comes to maintainability. It does not need to be greased regularly like leaf springs. For maintenance, you only need to raise the spring to the highest position and clean away the dirt, sand and gravel on the surface of the piston and air bag.