Holset 1944459 HE500VG Turbocharger Assembly

Technical specification for Holset HE500VG variable geometry turbocharger (VGT) designed for heavy-duty diesel engines. The unit features an electrically actuated variable geometry turbine mechanism for precise boost pressure management across the operating range, meeting Euro 6 and EPA 2013 emission standards. Core assembly utilizes a high-efficiency compressor wheel and turbine wheel optimized for 13-liter class engines. The integrated 24V electric actuator provides fast response and diagnostic capability via CAN bus. Lubrication and cooling via engine oil and coolant circuits. Direct replacement for DAF 1944459 and Holset 3792555 part numbers.