Genuine OEM Audi Engine Exhaust Valve, part number 059109611AR. This critical component is responsible for controlling the precise release of spent exhaust gases from the engine cylinder after combustion. It is located within the cylinder head, forming part of the engine's valve train assembly. Weighing approximately 0.051 kg and measuring 0.1 meters in length, this valve is engineered for high-temperature operation and precise timing. Opting for a genuine OEM exhaust valve ensures the correct material composition, heat treatment, and dimensional accuracy, which are vital for maintaining proper engine compression, emissions control, and overall performance.