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Introduction: The GM Duramax engine is renowned for its exceptional power and performance. However, like any complex engine system, it requires precise control and regulation to maintain optimal performance. One critical component that plays a vital role in this process is the Variable Geometry Turbocharger (VGT) actuator. In this article, we'll delve into the importance of the VGT actuator, its role in the Duramax engine, and introduce the latest OEM replacement part - the NEW GM Duramax VGT Ac …