Oil Pump 4003950 of Cummins QSM11-CM570 (SO53956) Construction Engine NO. PART NUMBER PART NAME NO. PART NUMBER PART NAME 1 3010146 Spring, Compression 3 3069728 Sensor, Viscosity 2 3068979 Plunger, Prs Regulator 8 4003950 Pump, Lubricating Oil Remarks: (1) We can provide Oil Pump 4003950 engine parts, as well as the geuine Cummins engine. (2) Above we have listed engine …