Genuine OEM Audi EGR Valve, part number 079131101S. This critical component is responsible for recirculating a portion of the exhaust gases back into the engine's combustion chambers. This process helps to lower combustion temperatures, thereby reducing the formation of harmful nitrogen oxides (NOx) emissions. The valve is typically located on the engine, connecting the exhaust and intake systems. Weighing 0.249 kg and measuring 0.095 meters in length, this valve is engineered for precise flow control. Choosing a genuine OEM EGR valve ensures correct calibration, material resistance to exhaust gases, and seamless integration with the engine management system for optimal emissions control.