Buy 4352379RX - Genuine Cummins HE341VE Turbocharger QSB 6.7L - wisentpartscenter.com

Description

The Genuine Cummins Turbocharger is a Holset variable geometry turbocharger (VGT) for Cummins QSB 6.7L diesel engines. Its electronically controlled turbine geometry regulates boost pressure and exhaust gas flow to improve engine response, torque, and power delivery. It also controls exhaust backpressure to support engine braking and emissions-system operation in industrial and off-highway equipment.

Fitment & Specifications

- Brand: Cummins / Holset
- Part Type: Variable Geometry Turbocharger (VGT)
- Turbo Family: HE341VE / HE300VG
- Engine: Cummins QSB 6.7L

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

Purpose of the Part

The Cummins Turbocharger uses exhaust gas energy to drive a turbine connected to an air compressor, increasing airflow and boost pressure. Its adjustable turbine geometry improves boost response at low RPM and maintains airflow under higher engine loads. The system also regulates exhaust pressure to support engine performance and emissions control.

Issue Symptoms / When to Replace

A failing variable geometry turbocharger may cause:

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

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

Brand Information

Cummins manufactures diesel engines and power systems for commercial and industrial applications. Holset is its turbocharger brand, specializing in fixed and variable geometry turbochargers. Holset VGT systems provide electronically controlled boost and exhaust pressure management.

Installation Notes

Before installing the turbocharger, inspect the oil supply and drain lines for restrictions or contamination. Prime with clean engine oil and check the intake and exhaust connections for debris or leaks. Follow Cummins procedures for VGT actuator installation and calibration when required.

How to Identify an OEM Part

Identify the Genuine Cummins turbocharger by its Holset and Cummins markings on the compressor housing and the factory identification plate.

Why Buy 4352379RX From Wisent Parts Center?

  • 1 Year
    Warranty

  • Genuine Parts

    Authentic OEM parts

  • 30-Day Returns

    Conditions apply

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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.