- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- HELLA "6PA 358 149-921" - Not available
BMW - 3, 5, 6, 1, 7; OPEL - Vectra B, Speedster; AUDI - A4, A3; CHEVROLET - Aveo, Captiva; ALFA ROMEO - 159, 156