Buy wp20583 - Genuine Cummins Turbocharger HE400VG ISX15 - wisentpartscenter.com

Description

The Genuine Cummins HE400VG Turbocharger is a variable geometry turbocharger (VGT) for Cummins ISX15 15.0L diesel engines. Its electronically controlled variable geometry system regulates boost pressure and exhaust gas flow to improve engine response, power delivery, and fuel combustion. It also manages exhaust backpressure for engine braking and EGR operation.

Key Functions

- Boost Control: Compresses intake air to increase engine power and torque.
- Variable Geometry: Adjusts turbine flow to maintain boost across different engine speeds and loads.
- Engine Braking: Controls exhaust backpressure to support engine braking.
- EGR Support: Helps maintain the exhaust pressure needed for exhaust gas recirculation.
- Electronic Control: Works with the ECM and VGT actuator to regulate turbocharger operation.

Fitment & Specifications

- Brand: Cummins / Holset
- Part Type: Variable Geometry Turbocharger (VGT)
- Turbo Model: HE400VG
- Engine: Cummins ISX15
- Displacement: 15.0L

Verify fitment with us before ordering to ensure the correct part for your application.

Purpose of the Part

The Cummins HE400VG Turbocharger uses exhaust gas to drive a turbine that compresses intake air, increasing engine boost pressure and power. Its adjustable turbine geometry improves boost response at low RPM and maintains airflow under heavy loads. The system also regulates exhaust backpressure for engine braking and EGR operation.

Issue Symptoms / When to Replace

A failing turbocharger may cause:

- Reduced engine power and poor acceleration.
- Low, excessive, or inconsistent boost pressure.
- Excessive black exhaust smoke.
- Unusual whining or grinding noises.
- Oil leakage or increased oil consumption.
- Check Engine light or VGT control faults.
- Sticking variable geometry mechanism or weak engine braking.

Similar symptoms can result from a faulty VGT actuator, charge-air leaks, damaged sensors, or restricted oil lines.

Brand Information

Cummins manufactures diesel engines and power systems for heavy-duty trucks and industrial equipment. Holset is the Cummins turbocharger brand, specializing in fixed and variable geometry turbochargers. The HE400VG is part of its variable geometry turbocharger lineup for heavy-duty diesel engines.

Installation Notes

Before installing the Cummins Turbocharger, inspect the oil supply and drain lines for restrictions or contamination. Prime with clean engine oil and check intake and exhaust connections for debris or leaks. Install and calibrate the VGT actuator according to Cummins service procedures when required.

How to Identify an OEM Part

The Genuine Cummins Turbocharger features Holset and Cummins identification markings on the compressor housing. The factory identification plate lists the turbocharger model, assembly number, and serial number. Match these details with the original unit to confirm the correct OEM configuration.

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Warranty & Return Information
Warranty Information

Wisent Parts offers a 1-year warranty on all parts from the date of delivery. This warranty covers orders placed directly through our website. If a part fails during this period, we’re here to help - whether it’s a replacement, repair, or refund. For full details, refer to the Warranty page.

Return Information

Wisent Parts accepts returns within 30 days of delivery. All returns are subject to a restocking fee. To qualify, parts must be unused and in their original condition. For full return instructions and restocking fee details, please refer to the Returns page.