Mack 5866-90054007 Leveling Valve PAI 36440CROSS REFERENCE: 5866 90054007 APPLICATION: Mack Multiple Use Application DETAILS: Valve, Leveling Delay Type (1) 1 8in 27 NPT Supply (1) 1 8in 27 NPT Air Bag (1) 1 8in 27 NPT Exhaust BRAND: PAI 36440 5866 90054007 Leveling Valve PAI 36440 intended for heavy duty truck and truck components. Provides precise leveling and supports consistent suspension function. All components are proudly manufactured in the U. S. A. by PAI Industries Inc., an ISO9001