Genuine OEM Audi Front Speed Sensor, part number WHT003861. This sensor is crucial for accurately measuring the rotational speed of the wheel, providing essential data to various vehicle systems such as ABS (Anti-lock Braking System) and ESP (Electronic Stability Program). It is specifically designed for installation on the front left side of the vehicle. Weighing only 0.01 kg, this compact sensor ensures precise fitment and reliable performance. Choosing a genuine OEM speed sensor guarantees factory-calibrated accuracy, consistent signal output, and seamless integration with the vehicle's complex electronic safety systems.