Chassis leveling valves market is reported at USD 2,438.5 million in 2025 and is set to advance at a CAGR of 4.1%, reaching USD 3,644.3 million by 2035. Heavy-duty trucks are projected to account for 38% of the market, driven by regulatory pressure for axle load management and demand for consistent suspension geometry. Air-controlled mechanisms will hold 41% share, supported by their established use in fleet-wide ride-height regulation systems across commercial and trailer platforms.