{"product_id":"subaru-oem-front-oxygen-sensor-a-f-09-10-wrx-22641aa420","title":"Subaru OEM Front Oxygen Sensor - A\/F (09-10 WRX) | 22641AA420","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe Genuine Subaru OEM Front Air\/Fuel Ratio Oxygen Sensor (Part #22641AA420) is a factory-original replacement sensor designed specifically for the 2009–2010 Subaru WRX. As a direct OEM replacement, this A\/F sensor ensures precise fuel mixture monitoring for optimal engine performance, fuel efficiency, and emissions compliance — with a guaranteed exact fit that aftermarket sensors simply cannot match.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Subaru OEM Quality\u003c\/strong\u003e – Manufactured to Subaru's exact factory specifications, ensuring reliable performance and longevity you can count on.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExact-Fit Guarantee\u003c\/strong\u003e – Designed specifically for the 2009–2010 Subaru WRX; plug-and-play installation with no modifications required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecise Air\/Fuel Ratio Monitoring\u003c\/strong\u003e – Accurately measures exhaust oxygen content to help the ECU maintain the optimal fuel mixture for peak power and efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory Warranty Coverage\u003c\/strong\u003e – Backed by Subaru's genuine parts warranty, giving you peace of mind with every purchase.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmissions System Integrity\u003c\/strong\u003e – Helps maintain proper emissions output and prevents check-engine codes related to upstream oxygen sensor faults.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Connector \u0026amp; Wiring\u003c\/strong\u003e – Features factory-matched connector and wiring harness length for a seamless, no-hassle installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1x Genuine Subaru Front Air\/Fuel Ratio Oxygen Sensor – Part #22641AA420\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSubaru Part Number\u003c\/th\u003e\n\u003ctd\u003e22641AA420\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSensor Type\u003c\/th\u003e\n\u003ctd\u003eAir\/Fuel Ratio (A\/F) – Front \/ Upstream\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePosition\u003c\/th\u003e\n\u003ctd\u003eFront (Pre-Catalytic Converter \/ Upstream)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOEM \/ Aftermarket\u003c\/th\u003e\n\u003ctd\u003eGenuine Subaru OEM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Models\u003c\/th\u003e\n\u003ctd\u003e2009–2010 Subaru WRX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd\u003eGenuine Subaru OEM Parts Warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eFitment \u0026amp; Compatibility\u003c\/h2\u003e\n\u003cp\u003eThis sensor is confirmed to fit the following vehicles:\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eYear\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eTrim\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2009\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eImpreza WRX\u003c\/td\u003e\n\u003ctd\u003eAll Trims\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2010\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eImpreza WRX\u003c\/td\u003e\n\u003ctd\u003eAll Trims\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Always verify your vehicle's VIN and existing part number before ordering to confirm fitment. This is the \u003cem\u003efront (upstream)\u003c\/em\u003e A\/F sensor — ensure you are replacing the correct sensor position.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation\u003c\/h2\u003e\n\u003cp\u003eThis Genuine Subaru A\/F oxygen sensor is a direct plug-and-play replacement for the factory unit. Installation typically requires an oxygen sensor socket and basic hand tools. Clearing any related diagnostic trouble codes (DTCs) after installation is recommended. Professional installation by a certified Subaru technician is advised if you are unfamiliar with exhaust system components or sensor replacement procedures.\u003c\/p\u003e","brand":"Subaru OEM","offers":[{"title":"Default Title","offer_id":43159720329312,"sku":"sub22641AA420","price":282.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1398\/9853\/files\/Subaru-OEM-Front-Oxygen-Sensor-AF-09-10-WRX-22641AA420.jpg?v=1791486189","url":"https:\/\/www.importimageracing.com\/products\/subaru-oem-front-oxygen-sensor-a-f-09-10-wrx-22641aa420","provider":"Import Image Racing","version":"1.0","type":"link"}