Genuine OEM Audi Diesel Glow Plug Controller, part number 4L0907282B. This electronic control unit is responsible for precisely managing the activation and timing of the diesel engine's glow plugs. Proper glow plug operation is crucial for efficient cold starting and reduced emissions in diesel vehicles. This compact module weighs approximately 0.086 kg and features multiple electrical pins for connection. Opting for a genuine OEM controller ensures correct electronic calibration, seamless communication with other engine management systems, and reliable performance, which is vital for consistent engine starting and operation.