Holset 4967656 Turbocharger Assembly HX55W

The Holset 4967656 is a HX55W frame wastegated turbocharger assembly manufactured by Cummins Turbo Technologies. It utilizes a forged milled compressor wheel and a high-efficiency turbine wheel assembly designed for the Cummins ISM and QSM11 10.8L and 11.0L engine platforms. The unit features a V-band turbine inlet connection and a V-band turbine outlet connection for secure clamping under high boost pressure cycles. The integrated pneumatic wastegate actuator provides precise boost control across the operating range. This service replacement unit includes the center housing rotating assembly (CHRA), compressor housing, and turbine housing pre-assembled to OEM specifications. It serves as a direct replacement for Cummins OE part numbers including 4043708 and 4043707.