Genuine OEM Audi Front Lower Additional Cooler, part number 4L0121002. This component is designed to provide additional cooling for various engine components, helping to maintain optimal operating temperatures and prevent overheating. It is positioned at the front lower section of the cooling system. Weighing approximately 1.3 kg, this cooler measures 0.77m in length. Choosing a genuine OEM cooler ensures precise fitment and efficient heat exchange, critical for the longevity and performance of the engine.