Important Notice

VGT Turbo Actuator for Cummins ISB, ISC and ISL Engines

DiPa Code:
TRBAC035R
OEM Code:
5603456H
Brand:
DIPA SPORT
Condition:
Remanufactured
Overhaul of the electronic module of Holset variable geometry turbos HE300VG and HE351VE to optimize boost pressure and engine performance
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Techinical Info

The Holset OE 5496046 actuator is the control module for the variable geometry (VGT) mounted on Holset turbochargers from the HE400VG and HE351VE families used on CUMMINS ISB, ISC and ISL engines. These engines are mainly fitted to medium commercial vehicles, trucks, buses, emergency vehicles and dump trucks.
Technically, it is an electronic actuator that operates, via a geared motor and linkages, the outer ring of the variable geometry, regulating the airflow to control boost pressure and exhaust back pressure under all engine load conditions.

Technical specifications

  • Type: electronic VGT actuator for Holset variable-geometry turbocharger
  • Family: Holset HE400VG/HE351VE
  • Supply: 24 V
  • DC electric motor with reduction (geared motor) for high torque
  • Integrated position sensor (geometry position feedback)
  • Control electronics and internal diagnostics

DIPA can intervene to overhaul these components thanks to its experience and expertise.

Functionality

  • Continuous adjustment of the variable geometry for torque and low-rpm response (closing vanes); overboost limitation and temperature management at high loads (opening vanes)
  • Control of boost pressure and transient dynamics (accelerations and load changes)
  • Contribution to exhaust back-pressure management and engine brake strategies where provided

Model applications

  • Used on CUMMINS ISB, ISC and ISL series powertrains for medium commercial vehicles, trucks, buses, emergency vehicles and dump trucks.

Common faults

  • Difficulty calibrating vane angle
  • The engine loses power/runs irregularly and goes into recovery mode
  • Intermittent fault communication in diagnostic mode

Final conclusions

The OE 5496046 identifies a Holset electronic actuator for VGT closely associated with the HE400VG and HE351VE turbochargers on CUMMINS ISB, ISC and ISL series engines.

DIPA has a wide range of spare parts dedicated to the Truck world, construction vehicles and industrial equipment. Not only that: it also offers refurbished components restored to like-new performance, which can provide savings when replacing parts while contributing to environmental protection through the circular economy. If the part you need is not available, don’t worry: DIPA can refurbish your unit "on demand", restoring full functionality and safety in a short time.