2001 Subaru STI Oxygen Sensor. Sensor AIR/FUEL Ratio. Sensor - 22641AA79A

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Oxygen Sensor. Sensor AIR/FUEL Ratio. Sensor A/F Ratio.

Part Number: 22641AA79A

SENSOR ASSEMBLY-AIR/FUEL RATIO Oxygen Sensor

Fits Ascent, Legacy, Outback

Oxygen Sensor
A failed Oxygen Sensor will often have no noticeable symptoms beyond a check engine light, but it does cause your 2001 Subaru STI to operate inefficiently and produce higher emissions. Our technicians have access to manufacturer-approved repair processes and Subaru genuine parts.