- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- NTK "6513" - Not available
BMW - 3, 5, 1, 6; NISSAN - Almera, Primera; AUDI - A4, A3; CHEVROLET - Aveo, Cruze; ALFA ROMEO - 159, 156; CADILLAC - CTS; ...