PN#034101  SKU#15484  Height Control Valve. Cab Leveling Valve. Ports: 1/4″ NPT. Port Size: 1/4″ NPT. Note: Used with International cab, Peterbilt cab. Valves feature patent Shear-Seal® design technology. Superior performance in high cycle and contaminated air conditions. Precision machined metal sealing surface creates a zero leak (less than 4CC per minute). Increased life expectancy and lower air consumption. Direct replacement for many OE valve installations.