Genuine OEM Audi Glow Plug Control Unit, part number 04L907281E. This electronic module is responsible for precisely managing the operation of the glow plugs, ensuring optimal pre-heating for reliable engine starting, especially in colder conditions. It is typically located in the engine bay. Weighing approximately 0.07 kg, this compact unit is engineered for seamless integration and accurate control. Opting for a genuine OEM control unit guarantees correct firmware, sensor calibration, and communication protocols, which are essential for proper engine management and performance.