Holset 2027344 Turbocharger Assembly

The Holset 2027344 is a variable geometry turbocharger (VGT) assembly designed for Cummins ISX and QSX 15.0 liter engine platforms. It utilizes the HX55W frame size with an integrated electronic actuator for precise boost control across the operating range. The unit features a forged milled compressor wheel and high-temperature turbine wheel assembly mounted on a fully floating bearing system. This assembly replaces Cummins OEM part numbers 4035062 and 2881764. It is calibrated for engine ratings between 400 and 600 horsepower. The cartridge (CHRA) references Melett 3580726 for service replacement. Installation requires torque-to-yield mounting hardware and actuator calibration via Cummins INSITE software.