OK request send S6D155-4-R S/N 10014-UP CYLINDER HEAD Section CYLINDER HEAD S6D155-4-R S/N 10014-UP Komatsu: CYLINDER HEAD(#30551-) 030010 ROCKER ARM AND HOUSING(#30551-) 030020 COMPRESSION RELEASE(#30551-) 030030 FUEL NOZZLE AND SPILL PIPE(#30551-) 030040 ROCKER ARM HOUSING COVER(#30551-) 030050 AIR INTAKE MANIFOLD AND CONNECTION(#30551-) 030060 AIR CLEANER AND PRE-CLEANER(#30551-) 030070 EXHAUST MANIFOLD AND MUFFLER(#30551-) 030080 TURBOCHARGER(#30551-) 030090 WATER MANIFOLD AND THERMOSTAT(#30551-) 030100