Cummins 4022823 Camshaft PAI 191817CROSS REFERENCE: 4022823 APPLICATION: Cummins ISM M11 Multiple Use Application. BRAND: PAI 191817 Cummins 4022823 Camshaft PAI 191817. Heavy duty parts and replacement parts. Regulates valve movement and stabilizes diesel engine 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 brand new with