Holset 4035253 Turbocharger Assembly HX35W

The Holset HX35W turbocharger assembly (Manufacturer Part Number 4035253) is a genuine OEM unit designed for Cummins B-Series 5.9L diesel engines. This model features a T3 turbine flange connection and an integrated internal wastegate actuator for boost pressure regulation. The unit utilizes a journal bearing rotating assembly lubricated and cooled by engine oil. Primary OEM cross-reference is Cummins part number 3960478. Alternative supersession part number 3536404 features a T4 turbine flange requiring an adapter for direct replacement. The compressor cover and turbine housing are constructed from high-temperature cast alloys with a matte silver and chrome finish. Applications span on-highway heavy-duty trucks including Dodge Ram 2500/3500 series and Freightliner models, as well as off-highway construction machinery such as Hyundai and Komatsu excavators equipped with Cummins 6BT power units.