| Model | HE221W |
| Turbo Shell Size | 7cm² |
| Pressure Relief Valve Type | Built-in Pressure Relief Valve |
| Maximum Power Range | 350+ HP |
| Applications | Construction Equipment, Generator Sets, Heavy Duty Trucks |
Manufacturer No.
37702213770220
Engine Part No.
Cummins ISF3.8Cummins B3.9Cummins B5.9
Fitment Vehicles
Cummins Engine Compatible Vehicle Models
Exhaust and Intake System - Industrial Encyclopedia
Original Holset turbocharger, part number 3770221 / 3770220, model HE221W. Designed for Cummins engines, featuring an internal pressure relief valve design, a 7cm² turbine housing for rapid response. Power range up to 350+ horsepower. This turbocharger is a Cummins OEM product, widely used in construction machinery, generator sets and heavy trucks, ensuring strong power and superior fuel economy. 12 months warranty, your reliable direct replacement choice.