Oxygen Sensor for Subaru Legacy Outback Upstream Lambda O2 Sensor EJ253 2.5L 2010-2012
Main Description
Restore precise air–fuel control in your Subaru with the Upstream Lambda O2 Oxygen Sensor designed for Subaru Legacy and Outback models from 2010 to 2012 (EJ253 2.5L). This upstream oxygen sensor uses magnetic induction and a heating element to deliver fast, accurate readings of exhaust gas oxygen levels, ensuring the engine’s computer can adjust the fuel mix quickly and precisely. The result is steadier idle, smoother acceleration, improved fuel economy, and lower emissions—helping your vehicle stay performing at its best while passing emissions tests.
Built as a robust replacement, this sensor matches the original part family and provides reliable measurements across a wide operating range. It carries OEM part numbers for accurate cross-checking, so you can shop with confidence knowing you’re selecting a genuine-fit replacement that suits Subaru Legacy 2010–2012 and Outback 2010–2012 with EJ253 engines. Originating from Mainland China, the sensor is tested to meet quality standards and designed for straightforward installation as part of your routine maintenance or repair job.
All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty. This guarantees you’re getting a compliant, durable part backed by a solid warranty for peace of mind on the road.
At intercyprus.com since 2002 — trusted for quality and reliability. This legacy of dependable service means you can shop with confidence, knowing our listings are designed to help you choose the right part the first time and get back on the road quickly.
Benefits & Tips
- Optimizes fuel economy by stabilizing the engine’s air–fuel ratio, reducing wasteful fuel consumption over time.
- Improves throttle response and idle smoothness by providing timely oxygen readings to the engine control unit.
- Reliable startup and emissions performance after replacement; use the OEM-compatible part numbers to confirm fit before ordering.
Product Specifications
- Brand: IWOKPHD
- Product Type: Upstream Lambda O2 Oxygen Sensor
- Sensor Type: Magnetic Induction; Heating Type
- OEM Numbers: 22641-AA540, 22641AA540, 22641-AA54A, 22641AA54A, 250-54067, 25054067, 234-9097, 2349097, 24746, 24831, 24831
- Compatibility: Subaru Legacy (2010–2012) H4 2.5L EJ253 Upstream B1S1; Subaru Outback (2010–2012) H4 2.5L EJ253 Upstream B1S1
- Measuring Range: Upstream Air Fuel Ratio Sensor; Exhaust gas Lambda O2 Oxygen Sensor
- Origin: Mainland China
- Package Format: Replacement Part
- Note: Please verify part numbers and vehicle compatibility before purchase using the OEM numbers listed above.
Package Includes
- 1 x Upstream Lambda O2 Oxygen Sensor
Warnings & Reminders
- Please check the picture and the part number carefully to make sure that you bought the right part for your car.
- If you cannot be sure which item fits your car, please send the Part Number or the Original product photos to us to confirm before ordering.
- The only way to be 100% sure the part will fit your vehicle is to check your original part. We will verify fitment and reply within 24 hours.
Warranty & Certification: All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.
Trust you can count on — since 2002, intercyprus.com has been a dependable source for Subaru parts, delivering quality and reliable service.