Genuine OEM Audi EGR Cooler, part number 04L131512AG. This critical emissions component is designed to cool hot exhaust gases before they are recirculated back into the engine's intake system. By lowering the temperature of these gases, it helps to reduce nitrogen oxide (NOx) emissions. Constructed from durable stainless steel and weighing 0.331 kg, it is built to withstand extreme temperatures and corrosive exhaust. Using a genuine OEM EGR cooler ensures optimal emissions control performance and proper integration with the vehicle's engine management system.