Abstract: A height sensor is provided in a vehicle leveling system having an air spring including a pressurized chamber connected between sprung and unsprung vehicle masses. In one embodiment magnets located on a pair of followers within the chamber and attached for movement with the unsprung mass produce magnetic fields which pass through the wall of the chamber. A pair of detectors outside the chamber and mounted on the sprung mass for movement therewith detects the magnetic fields and thereby the movement of the followers to determine the relative spacing of the sprung and unsprung masses. In a second embodiment the magnetic devices and detectors are outside of the chamber with a follower internal of the chamber adapted to interrupt the magnetic field therebetween to determine the relative spacing of the sprung and unsprung masses.