Piston Ring Set C4089489 of Cummins NT855-D(M)(SO13778) Marine Generator Engine NO. PART NUMBER PART NAME NO. PART NUMBER PART NAME C4089489 Set, Piston Ring 10 C4058968 Ring, Compression Piston 9 C4058969 Ring, Oil Piston 11 C4058967 Ring, Compression Piston Remarks: (1) We can provide Piston Ring Set C4089489 engine parts, as well as the geuine Cummins engine. (2) Above we have listed engine …