Cummins 3977785 Damper PAI 202014CROSS REFERENCE: 3977785 5307831 APPLICATION: Cummins Multiple Use Application BRAND: PAI 202014 Cummins 3977785 Damper PAI 202014 intended for heavy duty trucks parts and truck components. Provides reliable vibration absorption and protects crankshaft durability. 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