Mack/Volvo 3975562 Low Air Pressure Sensor PAI 854031CROSS REFERENCE: 3975562 APPLICATION: Mack Volvo Multiple Use Application. DETAILS: Thread size 1 8 27 NPT Overall length 2. 94in BRAND: PAI 854031 Mack Volvo 3975562 Low Air Pressure Sensor PAI 854031 intended for truck repair and replacement truck. Ensures precise monitoring and consistent heavy duty function. All components are proudly manufactured in the U. S. A. by PAI Industries Inc., an ISO9001 certified company with over 50 years of experience