- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- NTK "91807" - Not available
AUDI - A3, Q3, Q2, A5, S5; VW - Golf, Passat; SKODA - Octavia, Superb; SEAT - Leon, Ateca; CUPRA - Formentor, Leon