Cummins 6C/ISC/ISL 3933088 Exhaust Insert PAI 192195 (Pack6)CROSS REFERENCE: 3933088 3927257 APPLICATION: Cummins 6C ISC ISL BRAND: PAI 192195 Cummins 3933088 Exhaust Insert PAI 192195 intended for heavy duty truck parts and truck components. Ensures stable valve seat support and reliable exhaust control. 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