- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- APC "SAS970451" - Not available
OPEL - Agila, Astra, Corsa, Omega B, Vectra; MERCEDES-BENZ - C-Class, E-Class; AUDI - A4, A8