- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- NTK "8738" - Not available
VW - Golf, Polo, Passat, Bora, EOS; AUDI - A4, A3; SEAT - Toledo, Altea; SKODA - Octavia, Superb; BMW - 3, 5