The Hendrickson VS-31845-13 (also listed as VS3184513) is a genuine Hendrickson enclosure service part for heavy-duty suspension systems. This service component is designed to meet the original specification for the application it replaces. Pro Gear and Transmission carries genuine Hendrickson suspension parts to help fleet and shop buyers get the right piece the first time. Not sure this is the correct part for your unit? Give us a call and we can help confirm proper fit before you order.FeaturesGenuine Hendrickson part number VS-31845-13, also referenced as VS3184513Enclosure service component for heavy-duty suspension systemsDesigned to meet original Hendrickson specificationSold by Pro Gear and Transmission