- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Denso "DOX-0318" - Not available
BMW - 3, 5, 6, 1, 4; AUDI - A4, A3; MAZDA - MPV II (LW); ALFA ROMEO - 159, 156; BENTLEY - Continental