Holset 4089265 Turbocharger Assembly

The Holset 4089265 is an HX83 model water-cooled turbocharger assembly designed for Cummins QSK19 and K19 series heavy-duty diesel engines. It features a wastegate actuation system for boost control optimization across the operating range. The unit integrates a compressor housing, turbine housing, and center rotating assembly engineered for high exhaust gas temperature durability. This turbocharger serves as a direct OEM replacement for Cummins part number 4089265, commonly deployed in construction machinery, marine propulsion, and stationary power generation equipment requiring 145-1343 kW engine power coverage.