Holset 6732-81-8052 Turbocharger Assembly

The Holset HX30 turbocharger assembly (Komatsu 6732-81-8052) is designed for the Komatsu 4D102 and S4D102E-1 four-cylinder diesel engines. It features a wastegate actuator for boost control and oil-cooled bearing housing for thermal management. The unit utilizes a flange-mounted compressor and turbine housing configuration specific to the Komatsu excavator installation envelope. This turbocharger serves as a direct replacement for OEM part numbers 6732-81-8052 and 6732-81-8100. It is compatible with Holset manufacturer part number 3539803. Application coverage includes Komatsu PC100-6, PC120-6, and PC130-6 hydraulic excavators. The rotating assembly is balanced to OEM specifications for high-speed operation and long service life in construction machinery duty cycles.