... 49189-005015. Engine: HITACHI EX120-2 EX120-36. Turbine: Material: K4187. Price: Out of factory8. Packing: ... repair kit, bearing housing, compressor housing, turbine housing, compressor wheel, turbine wheel/turbine shaft/shaft wheel, rotor assembly, wastegate, sealplate, ... 2) Factories equipped with advanced CNC machines, producing turbine shaft, journal bearing, thrust collar and other turbo ...