Genuine OEM Volkswagen Lambda Probe, part number 06K906265C. This sensor is a critical component in the exhaust system, responsible for accurately measuring oxygen levels in the exhaust gas. Its precise readings are vital for the engine control unit to adjust the air-fuel mixture, ensuring optimal combustion and reduced emissions. Weighing approximately 0.172 kg, this sensor is designed for direct fitment. Using a genuine OEM lambda probe ensures accurate signal characteristics and long-term reliability, preventing false readings that could lead to poor engine performance or failed emissions tests.