The AIRman B2400-B53 is a lift axle control valve x over l to r, no reg, designed for lift axles, trucks and trailers. This durable valve provides reliable control for lift axle cross-over applications from left to right, meeting the performance and durability requirements of heavy-duty transport. Width: 6.8” Height: 5.2” Thickness: 3” Cross-Reference: Hendrickson VS-31844-1, Automann 171.HVS3841, C-31543 Application: Lift Axle, Trucks, Trailers