Volkswagen/Audi Oxygen Sensor 06K906262C with 0258027050 Replaces OEM 06K906262AJ

When vehicle experiences rough idle, high fuel consumption, or emissions out of spec or engine check lamp on, usually oxygen sensor aging or failure; sensor normally feeds ECU with air-fuel ratio signals to maintain optimal combustion and lower emissions. This product is a VW/Audi oxygen sensor, OEM 06K906262C (replaces 06K906262AJ); fits Passat, Magotan, A4L, Q3 and other models. Use dedicated socket during installation; avoid overtightening to prevent thread damage; ensure sensor wiring does not contact exhaust or moving parts to prevent signal faults.