- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- ZENTPARTS "Z55291" - Not available
AUDI - A4, A3, TT, A6, A8; VW - Golf, Bora; SEAT - Leon, Ibiza; BMW - 3, 1; SKODA - Octavia