NTA855 Cummins Piston Ring Set 4089811 Parts Catalog Ref No. Part Name Part No. Required 　 Engine Rod And Piston PP10183 　 　 Engine Rod And Piston 4055991 6 　 Engine Connecting Rod 3013930 1 1 Engine Connecting Rod 3013930 　 1 Engine Connecting Rod 218808 1 2 Bushing 187420 1 2 Fracture Resistant Screw 219153 2 3 Bushing 187420 …