Piston 4089865 of Cummins QSM11-CM570 (SO53956) Construction Engine NO. PART NUMBER PART NAME NO. PART NUMBER PART NAME 4089865 Kit, Engine Piston 2 4070653 Skirt, Piston 3103752 Piston, Engine TLA 3 3016652 Ring, Retaining 1 3103753 Top, Piston 4 4374086 Pin, Piston Remarks: (1) We can provide Piston 4089865, Piston Pin 4374086, Retaining Ring 3016652 engine parts, as well as the geuine …