Subaru OEM Oxygen Sensor Forester XT 2010-2013 / WRX 2012-2014 | 22641AA590

Overview

The Genuine Subaru OEM Air/Fuel Ratio Oxygen Sensor (Part #22641AA590) is the factory-replacement upstream A/F sensor designed specifically for the 2012–2014 Subaru WRX and 2010–2013 Subaru Forester XT. As an exact OEM replacement, this sensor ensures precise air/fuel mixture monitoring for optimal engine performance, fuel efficiency, and emissions compliance — restoring your Subaru to factory specification without any guesswork.

Key Features & Benefits

• Genuine Subaru OEM Quality — Manufactured to Subaru's exact factory standards, guaranteeing a perfect fit and reliable operation with no modifications required.
• Precise A/F Ratio Monitoring — Accurately measures exhaust oxygen content to help the ECU maintain the ideal air/fuel mixture, supporting maximum power and fuel economy.
• Direct OEM Replacement — Plug-and-play fitment matches the original sensor's connector, thread pitch, and dimensions for a hassle-free installation.
• Restores Factory Emissions Performance — Helps eliminate check engine lights (CEL) related to oxygen sensor codes (P0130, P2A00, etc.) and keeps your vehicle emissions-compliant.
• Factory Warranty Coverage — Backed by Subaru's genuine parts warranty for added peace of mind.
• Durable Construction — Built to withstand the high-heat exhaust environment for long-term, dependable performance.

What's Included

• 1x Genuine Subaru Air/Fuel Ratio Oxygen Sensor (Part #22641AA590)

Specifications

Fitment & Compatibility

This sensor is a direct OEM replacement for the following Subaru vehicles:

2010-2013 Subaru Forester XT

2012-2014 Subaru WRX

Always verify your vehicle's specific year, model, and engine before ordering. Cross-reference with Subaru part number 22641AA590 to confirm compatibility.

Installation

This is a direct plug-and-play OEM replacement. Installation typically involves removing the old upstream oxygen sensor from the exhaust manifold or downpipe using an O2 sensor socket and threading in the new sensor to factory torque specifications. Anti-seize compound is recommended on the sensor threads. While many experienced DIYers can complete this job at home, professional installation by a qualified Subaru technician is always an option to ensure proper fitment and torque.