- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- ESTANFI "EST-DOX-0321" - Not available
AUDI - A4, A3, A6, TT, A5; MAZDA - MX-5 (NB), MPV I (LV); BMW - 3, 1; ALFA ROMEO - 159, 156; BENTLEY - Continental