Volkswagen Santana Front Oxygen Sensor 06B906262/0258007090 Original Replacement

Front oxygen sensor for VW Santana family: OEM number 06B906262 (Bosch 0258007090, 021906262B); high-temperature ceramic and nickel-based alloy electrode improve heat resistance and corrosion resistance; longer durability than standard replacements. Fits Santana, Jetta, Passat and other engines. Function: monitor exhaust oxygen and feed back to ECU to adjust air-fuel ratio, achieving combustion efficiency and compliant emissions. Installation difficulty moderate; professional technician recommended; avoid thread damage.