Cummins 6B 3938161 Oil Pan Gasket PAI 131589CROSS REFERENCE: 3911410 3931601 3938161 APPLICATION: Cummins 6B Marine Multiple Use Application. BRAND: PAI 131589 Cummins 6B 3938161 Oil Pan Gasket PAI 131589. Diesel truck and replacement parts. Maintains oil sealing and supports clean lower engine operation. 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