{"product_id":"new-car-upstream-air-fuel-ratio-o2-oxygen-lambda-sensor-22641-aa420-for-subaru-impreza-legacy-outback-22641-aa590-22641-aa420","title":"O2 Lambda Sensor for Subaru Impreza Legacy Outback 22641-AA420\/AA590 Upstream Replacement","description":"\u003cdiv\u003e\n\u003ch2\u003eMain description\u003c\/h2\u003e\n\u003cp\u003eThis downstream O2 lambda sensor, model 22641-AA420 \/ AA590, is a precise, plug-and-play replacement designed for Subaru engines in the Impreza, Legacy, and Outback lineup. Built with a robust piezoelectric sensing element and an integrated heating type, it quickly reaches operating temperature for accurate fuel–air ratio measurements across load and RPM ranges. By providing reliable oxygen data from the exhaust stream, this sensor helps your Subaru maintain optimal combustion, reduce emissions, and preserve engine performance between service intervals.\u003c\/p\u003e\n\u003cp\u003eDesigned as a direct OEM replacement, it carries OEM numbers 22641-AA420 and 22641-AA590, ensuring compatibility with Subaru’s 2.5L H4 turbocharged applications listed in the product details. Whether you own an Impreza 2.5 GT, an Impreza WRX, a Legacy, or an Outback from the 2008–2010 era, this sensor is engineered to deliver consistent, long-lasting performance. All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.\u003c\/p\u003e\n\u003cp\u003eWith reliability built in, this sensor is supported by a two-year replacement warranty and responsive customer service. For peace of mind, choose a component backed by InterCyprus’ commitment to quality and dependable service since 2002.\u003c\/p\u003e \u003ch2\u003eBenefits \u0026amp; Tips\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eMaintains precise oxygen readings for efficient combustion, helping to optimize fuel economy and reduce exhaust emissions on affected Subaru models.\u003c\/li\u003e \u003cli\u003eFits Subaru Impreza 2.5 GT (2009–2010), Impreza WRX (2009–2010), Legacy (2008–2009), and Outback (2008–2009) with 2.5L H4 turbocharged engines.\u003c\/li\u003e \u003cli\u003eChoose the correct OEM variant (22641-AA420 or 22641-AA590) for a seamless replacement without sensor harness adaptation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eProduct specifications\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e IWOKPHD\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSensor Type:\u003c\/strong\u003e Piezoelectric\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHeating Type:\u003c\/strong\u003e Heating Type\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM No.:\u003c\/strong\u003e 22641-AA420, 22641-AA590\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Numbers:\u003c\/strong\u003e 22641AA420, 22641 AA420, 22641AA42A, 22641-AA42A, 2349035, 234-9035; 22641AA590, 22641-AA590, F 00E 263 201, 24830, 250-54064, EOS-8017\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e For Subaru Impreza 2.5 GT (2009–2010, 2.5L H4 Turbocharged); Subaru Impreza WRX (2009–2010, 2.5L H4 Turbocharged); Subaru Legacy (2008–2009, 2.5L H4 Turbocharged); Subaru Outback (2008–2009, 2.5L H4 Turbocharged)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePackage includes:\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e1 pcs\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWarnings \/ Reminders\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eVerify compatibility with your exact Subaru model and engine code using the application list above before purchase.\u003c\/li\u003e \u003cli\u003eAll items are shipped within 2 working days after payment is confirmed; ensure your shipping address is correct to avoid delays.\u003c\/li\u003e \u003cli\u003eWarranty and return details: 2-year replacement warranty; if you encounter an issue, contact us with a problem description or photos and we will respond within 24 hours (excluding weekends and holidays).\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eAll electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.\u003c\/p\u003e \u003cp\u003eAt intercyprus.com since 2002 — trusted for quality and reliability.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"InterCyprus Trading Ltd","offers":[{"title":"Default Title","offer_id":52494936179030,"sku":"1005010086953307-Default Title","price":49.77,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0530\/0604\/1274\/files\/S275318a126a0489c97242075031866359.webp?v=1770062670","url":"https:\/\/www.intercyprus.com\/de\/products\/new-car-upstream-air-fuel-ratio-o2-oxygen-lambda-sensor-22641-aa420-for-subaru-impreza-legacy-outback-22641-aa590-22641-aa420","provider":"InterCyprus Trading Ltd","version":"1.0","type":"link"}