Mack 3MD532AM Intercooler Core PAI 1837CROSS REFERENCE: 25168546 3MD532AM 3MD532M APPLICATION: Mack CH Models Multiple Use Application. DETAILS: Chassis Mounting 38. 31in Wide x 27. 28in Height x 2. 21in Thick 3. 50in Inlet 3. 50in Outlet BRAND: PAI 1837 Mack 3MD532AM Intercooler Core PAI 1837. Commercial parts and heavy duty truck parts. Maintains airflow stability and supports reliable charge air cooling. All components are proudly manufactured in the U. S. A. by PAI Industries Inc., an