Genuine OEM Volkswagen Exhaust Valve, part number 022109611N. This precision-engineered valve is responsible for controlling the release of spent exhaust gases from the engine cylinder, a critical function for efficient combustion and emissions control. It operates within the cylinder head. Crafted from high-strength, heat-resistant metal, this valve measures approximately 10.3cm in length with a 3cm head diameter. Using a genuine OEM exhaust valve ensures the correct material composition, precise dimensions, and heat resistance, which are vital for maintaining proper engine compression and preventing valve failure under extreme operating conditions.