Very Important: Please Verify this and Compatibility before Buying. Made of High Strenght EGP (Engineering Grade Polymer) that Guarantees Durability and Resistance. One valve can be used for left and right installations. One valve can control two suspensions bellows. Air Port: 1/4 in. NPT. Supply Port: 1/4Inch NPT Replacement for Hadley H00600P Low Flow Leveling Valve. Part Number: for Hadley H00600P Part: Low Flow Leveling Valve (Hadley Type) Air Port: 1/4 in. NPT Dump Valve Included: No Exhaust Port Diameter: 1/4 in. NPT Linkage Arm Adjustment: Horizontal / Vertical Linkage Arm Length: 8 1/2Inch / 9 1/2Inch Series: Immediate Response (IR) Supply Port: 1/4Inch NPT Notes: Used to maintain vehicle height on an air suspended chassis Application: Air Cab Suspension System CrossReference: for Automann: 171.H00600POE for : E11464 for Hadley: H00600P for : KN27201 for : 20QE2373 for Meritor: R3011464 for Navistar-: 3595979C91, 3595979C92, 2040945C91 for PAI: 740225 Colour:As Shown Material:Metal Package Contents: 1Set * Height Leveling Valve Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.