Buy Genuine Cummins VGT Turbocharger HE300VG With Actuator - wisentpartscenter.com

Description

4352506NX Genuine Cummins HE300VG Turbocharger is a Holset variable geometry turbocharger (VGT) for Cummins ISC 8.3L and ISL 8.9L diesel engines. Its electronically controlled turbine geometry adjusts boost pressure and exhaust gas flow to improve acceleration, torque, and engine performance. It also regulates 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 for improved boost response at low RPM and under heavy loads.
- Engine Braking: Controls exhaust backpressure to support engine braking.
- EGR Support: Helps maintain exhaust pressure for exhaust gas recirculation.
- Electronic Control: Works with the ECM and VGT actuator to regulate turbine geometry.

Fitment & Specifications

- Brand: Cummins / Holset
- Part Type: Variable Geometry Turbocharger (VGT)
- Turbo Model: HE300VG
- Engine Applications: Cummins ISC / ISL series
- Engine Displacement: ISC 8.3L / ISL 8.9L
- Documented Engine Family: ISL9, EPA 2013
- Control System: Electronically controlled variable turbine geometry
- Applications: Commercial trucks, buses, and vocational vehicles
- Actuator: Verify inclusion and configuration

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

Purpose of the Part

4352506NX Cummins HE300VG Turbocharger uses exhaust gas to spin a turbine connected to an air compressor, increasing boost pressure and airflow into the engine. Adjustable turbine geometry improves boost response at low engine speeds and controls exhaust flow under higher loads. The system also supports exhaust braking and EGR operation.

Issue Symptoms / When to Replace

A failing 4352506NX turbocharger may cause:

- Reduced engine power or slow acceleration.
- Low, excessive, or fluctuating boost pressure.
- Black exhaust smoke under load.
- Weak or inconsistent engine braking.
- Check Engine light or VGT control faults.
- Whining, grinding, or other turbocharger noises.
- Oil leakage or excessive oil consumption.
- Sticking variable geometry mechanism.

Similar symptoms can result from a faulty VGT actuator, charge-air leaks, boost sensor faults, or restricted oil supply.

Brand Information

Cummins manufactures diesel engines and power systems for commercial vehicles and industrial equipment. Holset is the Cummins turbocharger brand, specializing in fixed and variable geometry turbocharging systems. Its HE300VG turbochargers provide electronically controlled boost and exhaust pressure management.

Installation Notes

Before installing the 4352506NX HE300VG Turbocharger, inspect the oil supply and drain lines for restrictions or contamination. Prime with clean engine oil and check the intake and exhaust systems for debris or leaks. Verify the actuator configuration and complete calibration according to Cummins service procedures when required.

How to Identify an OEM Part

Identify 4352506NX Genuine Cummins HE300VG Turbocharger by the Holset identification plate on the compressor housing. The plate contains the turbocharger model, assembly number, and serial number. Compare these details with the original unit to confirm the correct OEM configuration.

Why Buy 4352506NX 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.