- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- NGK "94173" - Not available
BMW - 3, 5, 6, 1, 7; AUDI - A4, A3; MAZDA - 3 (BK, BL); CHEVROLET - Aveo, Cruze; ALFA ROMEO - 159, Spider
Additional numbers
NGK:
OZA669-EE84