Dongfeng Cummins ISDe4 C3781988 Holset HE221W Turbocharger
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| Turbo Model | HE221W |
| Brand | Holset |
| Engine Model | Dongfeng Cummins ISDe4 4.5L Diesel Engine |
| Rated Power | 103 kW (140 HP) |
| Cooling Type | Oil Cooling (Oil Lubrication Only) |
| Exhaust Vortex Shell Size | 5.5 cm² (standard) / 7 cm² (optional) |
| Connection Type | Hard connection (HARD), 57mm |
| Compressor Blade | 6+6 Split-Type |
| Compressor Inlet Diameter | 43.5 mm |
| Compressor Exhaust Diameter | 61 mm |
| Turbo Blade Count | 11 Blades |
| Turbo Import Diameter | 52 mm |
| Exhaust Bypass Valve | Internal wastegate |
| CHRA Core Part Number | 4043587 / 4043593 |
OEM Part No.
C378198837823745353313495572940455644039778404397640477454047747404774840477514956072535129028351422834301283588340455224033968N
Engine Part No.
ISDe4QSB4.5QSB6.7ISBe5ISB
Interchange No.
3781987378198837823693782370378237337823762835143404358740435934043945H4042719H49559625353311
Fitment Vehicles
Dongfeng Tianjin TruckPC200-8 ExcavatorPerkins TruckVolvo Industrial EngineMarineGenerator Set
Exhaust and Intake System - Industrial Encyclopedia
Original specification Holset (Holset) HE221W turbocharger, part number C3781988 (interchangeable with 3781987/3781988), designed specifically for the Dongfeng Cummins ISDe4 4.5L diesel engine. Suitable for Dongfeng Tianjin trucks, PC200-8 excavators and other construction machinery and heavy vehicles, providing a reliable power output of 103kW/140HP. Equipped with oil-cooled bearings, 5.5cm² exhaust housing and efficient 6+6 blade compressor wheel, ensuring excellent boost response and durability. Direct replacement for original equipment, quality certified by OEM, compatible with QSB4.5, QSB6.7 and other Cummins series models.