Cummins 3819774 Ring Wear Rear Crankshaft PAI 136042CROSS REFERENCE: 3819774 1458 99650 APPLICATION: Cummins Multiple Use Application. DETAILS: Wear Ring 6. 5in Shaft Diameter X 7in Od Stainless Steel. BRAND: PAI 136042 Cummins 3819774 Ring Wear Rear Crankshaft PAI 136042. USA truck parts and replacement truck parts. Supports seal stability and controls surface wear. All components are proudly manufactured in the U. S. A. by PAI Industries Inc., an ISO9001 certified company with over 50 years of