- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- VEGAZ "ULS-667" - Not available
OPEL - Astra G, Zafira A, Meriva A, Combo, Corsa C, Vectra C; VAUXHALL - Astra, Combo, Zafira, Meriva, Astravan, Corsa