Holset 4044946 Turbocharger HX40W

The Holset HX40W is a fixed-geometry turbocharger with integrated pneumatic wastegate actuator, designed for Cummins 8.3L C-series engines including 6CT, 6CTA, 6CTAA, ISC, ISL, QSL, and QSC variants. This unit utilizes a twin-scroll turbine housing for improved pulse energy utilization and transient response. The compressor wheel and turbine shaft assembly are engineered for high boost pressure ratios typical of Euro 2 and Euro 3 emission compliance. Core assembly (CHRA) features full-floating bronze bearings and thrust collar oil lubrication. Direct OEM replacement for Holset service