OK request send 2D94-2R S/N 31228-UP CYLINDER HEAD AIR CLEANER 030060 EXHAUST MANIFOLD 030050 AIR INTAKE MANIFOLD 030040 MUFFLER For full view, you need register Parts on group : Pos. Part No Qty Parts name Comments 1. 6142-12-5650 [1] MUFFLER Komatsu China ["SN: 31228-UP"]