The Hendrickson VS-41590-1 (also listed as VS415901) is a genuine Hendrickson Valve Assembly W/S, designed for heavy-duty truck suspension systems. Hendrickson suspension valves govern air or fluid flow within the suspension circuit, maintaining ride height and load distribution under demanding conditions. This part is sold by Pro Gear and Transmission. If you need help verifying this is the correct valve for your specific suspension configuration, give us a call before ordering.FeaturesGenuine Hendrickson part number VS-41590-1 or VS415901Valve Assembly W/S for heavy-duty truck suspension systemsDirect Hendrickson replacement partSold by Pro Gear and Transmission