Piston 4991277 of Cummins 6BTA5.9-M150(SO10480) Marine Engine NO. PART NUMBER PART NAME NO. PART NUMBER PART NAME 1 3802421 Rod, Engine Connecting 7 4991277 Piston, Engine 4 3969562 Bearing, Connecting Rod 3802421 Set, Piston Ring 5 4893693 Bearing, Connecting Rod 11 4991283 Pin, Piston Remarks: (1) We can provide Piston 4991277 engine parts, as well as 6BTA5.9-M150 genuine Cummins engine. …