Subaru OEM Oxygen Sensor Subaru WRX 2002-2005 | 22641AA042

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.

Features & Benefits

• Genuine Subaru OEM component
• Direct-fit replacement air/fuel ratio sensor
• Monitors exhaust gases for precise fuel mixture control
• Helps restore fuel economy and engine efficiency
• Supports proper emissions system operation
• Improves engine performance and drivability
• Helps eliminate air/fuel ratio sensor-related fault codes
• Designed to Subaru factory specifications
• OE-quality fit, function, and reliability

Product Specifications

• Part Number: 22641AA042
• Product Type: Air/Fuel Ratio Sensor
• Position: Front / Upstream Sensor
• Genuine Subaru OEM Part

Common Symptoms of a Faulty Sensor

• Check engine light illumination
• Reduced fuel economy
• Rough idle
• Poor throttle response
• Increased emissions
• Air/fuel ratio sensor diagnostic trouble codes