Genuine OEM Audi Fuel Injector, part number 037906031AL. This precision component is responsible for atomizing and delivering the correct amount of fuel into the engine's combustion chamber, crucial for efficient engine operation. It is typically installed in the intake manifold or cylinder head, directly above the intake valves. Engineered for exact fuel delivery and spray pattern, it ensures optimal air-fuel mixture. Using a genuine OEM fuel injector guarantees precise calibration, consistent performance, and long-term reliability, which are vital for maintaining engine power, fuel economy, and emissions compliance.