The Hendrickson VS-31519-1 or VS315191 is a genuine Hendrickson 1/8 tank valve for heavy-duty suspension systems. Designed as a direct OEM-specification replacement, this valve services the air supply circuit on Hendrickson suspension-equipped vehicles. Sold by Pro Gear and Transmission, this valve is the correct part number for applications calling out VS-31519-1. Not sure this is the right valve for your rig? Give us a call and we will help you confirm proper fit before you order.FeaturesGenuine Hendrickson suspension part1/8 tank valve for Hendrickson air suspension systemsPart number VS-31519-1 or VS315191Direct OEM-specification replacementSold by Pro Gear and Transmission