Genuine OEM Audi Engine Exhaust Valve, part number 03C109611R. This critical component controls the precise release of hot exhaust gases from the engine's combustion chamber. It is located within the cylinder head, opening and closing in sync with the camshaft to manage exhaust flow. Weighing approximately 0.037 kg and measuring 0.102 m in length, it is constructed from specialized heat-resistant steel alloy. Choosing a genuine OEM exhaust valve ensures factory-specified material composition and precise dimensions for optimal sealing, extreme temperature resistance, and long-term engine performance.