- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- NTK "94004" - Not available
VW - Golf, Bora, Passat, New Beetle, Jetta; SEAT - Ibiza, MII; SKODA - Fabia, Citigo; AUDI - A3, A4