Genuine OEM Audi Engine Control Unit, part number 04L906021EA8V0. This electronic control unit is responsible for managing various diesel engine parameters and functions. It plays a critical role in optimizing performance, fuel efficiency, and emissions. The unit is designed with precise specifications to ensure seamless integration and operation within the vehicle's systems. Genuine OEM parts are manufactured to exact standards, guaranteeing correct calibration and signal integrity for reliable engine management.