This new muffler fits Hitachi EX120-1 EX120-2 EX120-3 EX120LC-2 and it comes with a muffler pipe

NH-220-CI-2D S/N 100101-UP

3637193M91

Compatible models: EXCAVATORS PC400 PC450 Fits Komatsu

203-30-42242 [2] SPRING

Overhaul Rebuild Kit for Mitsubishi 6D22 Kato Crane KR-30H-III KR-35H-III KR-45H-III NK-200E-V NK-250E-V 16235-23013 This new muffler fits HitachiOverhaul Rebuild Kit for Mitsubishi 6D22 Kato Crane KR 30H III KR 35H III KR 45H III NK 200E V NK 250E V Application: Models with Mitsubishi 6D22 Engine Compatible with Kato Crane KR 30H III KR 35H III KR 45H III NK 200E V NK 250E V Content: 1 Set of Overhaul Gasket Kit 6 Cylinder Liners 6 Pistons 6 Piston Pins 12 Snap Rings 6 Rod Bushings Set Rings For 6 Pistons 1 Set of Main Bearings 1 Set of Rod Bearings 1 Set of Thrust Bearing 6 Intake Valves 6