Holset 4050203 HX40W Turbocharger Assembly

The Holset HX40W turbocharger model 4050203 is a wastegated unit designed for Cummins C-series 8.3L diesel engines. It utilizes a pneumatic actuator for boost control and is rated for engine outputs up to 240HP at 2200 RPM. The compressor housing features a 340-degree orientation angle while the turbine housing is configured at a specific angle for C-series engine integration. This unit serves as direct OEM replacement for Cummins part numbers 4050203, 4050236, and 2882066. Constructed with high-temperature alloy turbine wheel and aluminum compressor wheel, the HX40W features a floating bearing system lubricated by engine oil. The wastegate mechanism provides precise boost regulation across the operating range. Applications span on-highway trucks, industrial generator sets, marine propulsion, and construction machinery powered by Cummins 6CT, 6CTA, ISC, and QSC 8.3L engine platforms.