- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- NGK "94490" - Not available
AUDI - 80, 100, A6, Coupe, Cabriolet; ALFA ROMEO - 33, 164; RENAULT - Espace, 25
Additional numbers
NGK:
OZA721-EE16