4BT3.9 Cummins Connecting Rod Bearing 3969562 Parts Catalog Ref No. Part Name Part No. Required 1 Piston Pin 4931041 6 2 Connecting Rod Bearing 3969562 6 3 Connecting Rod Bearing 4893693 6 　 Engine Connecting Rod 5257364 6 4 Engine Connecting Rod 4989162 1 5 Bushing 5257363 1 6 Connecting Rod Cap Screw 4891179 2 7 Piston Cooling Nozzle 5284228 …