Cummins ISX 3685834 Cylinder Head Gasket PAI 131653CROSS REFERENCE: 3685834 4059350 4936316 APPLICATION: Cummins ISX BRAND: PAI 131653 Cummins 3685834 Cylinder Head Gasket PAI 131653 featuring heavy duty engine parts. Supports diesel performance parts with stable head sealing and dependable 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 in the heavy duty truck parts industry. This part is built