Description

Experience unmatched engine efficiency with the DENSO 234-4446 Heated Oxygen Sensor. Specifically designed for Subaru Impreza, Legacy, and Outback models, this sensor seamlessly integrates with your vehicle’s exhaust and emission systems. Its direct-fit, 4-wire design ensures a perfect OEM replacement, facilitating accurate oxygen measurement essential for optimal engine performance and reduced emissions. If you’re noticing symptoms like poor fuel economy, check engine lights, or rough idle, it may be time to replace your oxygen sensor. This DENSO sensor, with a 27.17-inch wire length and heated functionality, is engineered to meet or exceed original equipment standards, ensuring both DIY enthusiasts and professional mechanics can rely on its performance and durability. Pair with a new catalytic converter or exhaust manifold gasket for comprehensive maintenance.

Features

• Direct fit for seamless installation
• Heated sensor for accurate readings
• Improves fuel efficiency and engine performance
• Ideal for Subaru Impreza, Legacy, and Outback models
• 4-wire design with 27.17 length for easy connection

Fitment

• 2005-2009 Subaru Outback | Position: Downstream | Note: DENSO is the O.E. Manufacturer / Direct Fit Oxygen Sensor;OE
• 2004-2005 Subaru Legacy | Position: Downstream | Note: Calif.; Loc. After Primary Catalyst;DENSO is the O.E. Manufacturer / Direct Fit Oxygen Sensor;OE
• 2002 Subaru Impreza | Position: Downstream | Note: DENSO is the O.E. Manufacturer / Direct Fit Oxygen Sensor;OE
• 2004-2005 Subaru Outback | Position: Downstream | Note: Calif.; Loc. After Primary Catalyst;DENSO is the O.E. Manufacturer / Direct Fit Oxygen Sensor;OE
• 2005-2009 Subaru Legacy | Position: Downstream | Note: DENSO is the O.E. Manufacturer / Direct Fit Oxygen Sensor;OE