Cylinder Head 3966451 of Cummins 6BTA5.9-M150(SO10480) Marine Engine NO. PART NUMBER PART NAME NO. PART NUMBER PART NAME 1 3966451 Head, Cylinder 6 4995554 Valve, Intake 4 3926700 Spring, Valve 7 4994143 Valve, Exhaust 5 3900250 Collet, Valve 8 3957912 Seal, Valve Stem Remarks: (1) We can provide Cylinder Head 3966451 engine parts, as well as 6BTA5.9-M150 genuine Cummins engine. …