Genuine OEM Volkswagen Lambda Probe, part number 04E906262CG. This sensor measures oxygen content in the exhaust gas, providing critical data to the engine control unit for optimizing fuel injection and ignition timing. It plays a vital role in maintaining efficient combustion and reducing harmful emissions. The lambda probe is typically installed in the exhaust manifold or pipe. Genuine OEM lambda probes are manufactured to exact specifications, ensuring precise readings and long-term durability for optimal engine performance and emissions compliance.