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Restore factory fuel control and engine performance with the Genuine Subaru OEM Air/Fuel Ratio Sensor. Designed to provide accurate exhaust gas readings to the engine control module, this sensor plays a critical role in maintaining proper air-fuel mixture, fuel economy, emissions control, and overall drivability.
A failing air/fuel ratio sensor can cause poor fuel economy, rough engine operation, reduced performance, and check engine lights. Manufactured to Subaru's exact specifications, the 22641AA042 sensor provides reliable operation and direct-fit installation for select turbocharged Subaru models.
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