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| Turbo Series | HX40W |
| Wastegate Configuration | Internal Integrated Actuator |
| Turbine Inlet Flange | T4 |
| Compressor Inlet Diameter | 100 mm |
| Compressor Wheel Inducer Diameter | 60 mm |
| Turbine Wheel Exducer Diameter | 70 mm |
| Rotation Direction | Clockwise (Compressor View) |
| Lubrication Type | Engine Oil Pressure Fed |
| Bearing Housing Cooling | No |
| Actuator Type | Pneumatic |
Manufacturer No.
40513894051053
Intake And Exhaust System - Industrial Encyclopedia
Genuine Holset HX40W wastegated turbocharger assembly, part number 4051389 supersedes 4051053. Engineered for heavy-duty diesel applications requiring precise boost control and high durability.