Description

Restore Turbo Accuracy with the HE330VG Actuator (Part #3787604) The HE330VG Actuator (OEM Part No. 3787604) is a reliable, electronically controlled turbo actuator designed for use with variable geometry turbochargers (VGT) on diesel engines. Built to meet OEM standards, this actuator is responsible for controlling turbo vane position, which directly affects boost pressure, fuel efficiency, and engine performance. When functioning properly, the turbo actuator ensures that the VGT system adjusts smoothly according to engine speed and load. A failing actuator can lead to reduced boost, increased emissions, poor throttle response, and potential turbocharger failure. Replacing a faulty unit with the 3787604 actuator restores turbo performance and helps the engine maintain optimal air-fuel ratios under all operating conditions. Manufactured using robust electronics and corrosion-resistant materials, the HE330VG actuator is capable of withstanding harsh engine environments—including high temperatures, vibrations, and oil exposure. It includes a pre-calibrated position sensor, ensuring accurate turbo vane control as required by the engine control module (ECM). This actuator is specifically engineered to work with Cummins Holset HE330VG turbochargers, making it a trusted choice for mechanics, fleet operators, and diesel technicians seeking OEM-level fit and function. With plug-and-play design, it connects easily to existing harnesses and turbo mountings—no modifications or programming required. ✅ OEM Direct-Fit Replacement Designed to replace actuator part number 3787604 for seamless integration with HE330VG turbochargers on diesel platforms. ✅ Enhanced Turbo Control Restores precise electronic control over VGT vane movement for improved airflow, power delivery, and fuel economy. ✅ Durable Construction Resistant to heat, oil, and vibration with sealed electronic housing to ensure long-term reliability. ✅ Integrated Position Sensor A factory-calibrated sensor delivers real-time data to the ECM, supporting responsive boost adjustments based on driving conditions. ✅ Easy Installation No tuning or special tools are required. Connects to factory mounting points and wiring harness for fast replacement. ✅ Improved Engine Efficiency Maintains consistent boost pressure to reduce turbolag, lower emissions, and optimize combustion under various loads.