Cummins K38 3801719 Set Lower Gasket PAI 131537CROSS REFERENCE: 3801719 3801265 3804301 CS4963B APPLICATION: Cummins K38 BRAND: PAI 131537 Cummins 3801719 lower gasket set PAI 131537 provides consistent sealing in demanding service. Heavy duty engine parts plus diesel parts ensure dependable truck operation. This set supports efficiency and extends service life under heavy duty conditions. All components are proudly manufactured in the U. S. A. by PAI Industries Inc., an ISO9001 certified company