Cummins ISX 3682673 Housing Thermostat Gasket PAI 131676 (Pack5)CROSS REFERENCE: 3682673 APPLICATION: Cummins ISX Multiple Use Application. BRAND: PAI 131676 Cummins ISX 3682673 Housing Thermostat Gasket PAI 131676. Heavy duty parts and heavy duty. Supports coolant sealing and flow stability. All components are proudly manufactured in the U. S. A. by PAI Industries Inc., an ISO9001 certified company with over 50 years of experience in the heavy duty truck parts industry. This part is built brand new with premium