Control Boxes

Air suspension control boxes manage the fill and dump functions of your suspension system while displaying system pressure for quick diagnostics. Designed for trucks, trailers, buses, and RVs, these rugged enclosures protect internal air valves and components from weather, road debris, and damage. Used to manually exhaust the air from the suspension of an air ride trailer. Control boxes can be ordered with custom valving. An optional gauge indicates the air pressure in the suspension, which may be used to calculate load weight.

Fleet Products offers complete US DOT Approved control boxes, replacement parts, and configurations for single or dual-axle systems. Whether you're outfitting a new trailer or upgrading an existing suspension, we stock reliable control boxes trusted by fleets across North America. 

We custom design & build air lift axle control boxes for trailers. We can produce specific boxes for various applications in Stainless Steel, Black Powder Coated, Steel or Composite Material. Please call for further information.

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