OK request send 3D84-2E S/N 00292-UP CYLINDER HEAD Section CYLINDER HEAD 3D84-2E S/N 00292-UP Komatsu: CYLINDER HEAD(#03321-) 030010 ROCKER ARM(#03321-) 030020 CYLINDER HEAD COVER(#03321-) 030030 AIR INTAKE MANIFOLD AND CONNECTION(#03321-) 030040 AIR CLEANER AND MOUNTING (SINGLE ELEMENT TYPE)(#03321-) 030050 AIR CLEANER AND MOUNTING (DOUBLE ELEMENT TYPE)(#03321-) 030060 EXHAUST MANIFOLD AND MUFFLER(#03321-) 030070