Cummins 4004806 Valve Insert Intake/Exhaust PAI 192229CROSS REFERENCE: 4004806 APPLICATION: Cummins L10 Natural Gas Multiple Use Application BRAND: PAI 192229 4004806 Valve Insert Intake Exhaust PAI 192229. Diesel parts and commercial parts. Supports airflow and exhaust control and provides stable combustion performance. 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