- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- NTK "90517" - Not available
VW - Passat, Transporter, Golf, Touareg; AUDI - A4, A6; SEAT - Altea, Leon; SKODA - Octavia, Superb; BMW - 3; ...