Mack 59935-003 Valve Height Control PAI 750729CROSS REFERENCE: 59935 003 59935 3 4000 59935003 APPLICATION: Mack Hendrickson Multiple Application DETAILS: Arm 5. 75in Center of Hole to Center of Hole Ports 1 4in PTC BRAND: PAI 750729 Mack Hendrickson 59935 003 height control valve PAI 750729 designed for USA truck parts and heavy truck parts. Ensures consistent suspension regulation and dependable service. All components are proudly manufactured in the U. S. A. by PAI Industries Inc., an ISO9001