Description 392102B310 – Lambda (Oxygen) Sensor by Hyundai The Hyundai 392102B310 Lambda Sensor is a genuine OEM oxygen (lambda) sensor used in many Hyundai and Kia vehicles. It is installed in the exhaust system—typically before the catalytic converter—to measure the oxygen level in exhaust gases and send real-time data to the engine control unit (ECU). This information helps the ECU maintain the correct air-fuel mixture, improving engine performance, fuel efficiency, and emission control The 392102B310 oxygen sensor is widely used in several petrol engine models from Hyundai and Kia. Typical applications include vehicles such as Hyundai i10, Hyundai i20, Hyundai Accent, Hyundai Verna tuscon Hyundai Elantra, Hyundai Creta with Kia seltos sonet carens depending on engine variant and production
