04E906262R Oxygen Sensor 0258030048/0258030049 Vehicle-Specific Sensor

04E906262R oxygen sensor directly replaces original numbers 0258030048 and 0258030049; high compatibility and exact match. Core function monitors exhaust oxygen content and feeds ECU to adjust air-fuel ratio for efficient combustion. This product fits VW, Audi, Skoda EA211 engines such as VW Jetta, Vento, Octavia. Replacements resolve high fuel consumption, weak acceleration, excessive emissions, and MIL illumination. If idle unstable, black smoke from exhaust, or sudden fuel consumption increase occur, check replacement.