Holset 3594809 HX50 Turbocharger Assembly

The Holset HX50 turbocharger (Part Number 3594809) is engineered for the Cummins M11 10.8L diesel engine. This wastegated unit features a 62mm compressor inducer and 88mm compressor exducer wheel configuration, paired with a 76mm turbine inducer. It provides a direct drop-in fit for OEM part numbers 3594810, 4024969, and 3537037. Primary applications include BOMAG compaction equipment (road rollers) and Class 8 heavy-duty trucks such as Freightliner, Kenworth, and Peterbilt models equipped with the M11 engine. The assembly utilizes oil-lubricated journal bearings and an integrated wastegate actuator for boost pressure control. The center housing rotating assembly (CHRA) references part numbers 3580540 and 4027216 for service replacement. This unit meets ISO/IATF quality standards for aftermarket and OEM supply chains.