Cummins 3820918 Wear Ring PAI 136043CROSS REFERENCE: 3820918 1458 84854 1458 99333 APPLICATION: Cummins Multiple Use Application. DETAILS: Wear Ring 3. 34in Shaft Diameter X 3. 7in Od BRAND: PAI 136043 Cummins 3820918 Wear Ring PAI 136043. Truck components and heavy duty parts. Supports surface protection and maintains stable operation. 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