Oxygen Sensor Downstream for Subaru Forester 2014-2018 and WRX 2015-2021 (22690-AB010)
Meet the Subaru Forester 2014-2018 Rear Downstream Oxygen Sensor by IWOKPHD, a precise, plug-and-play replacement designed for post-cat O2 sensing in Subaru Forester 2014-2018 models and WRX 2015-2021. Engineered to match OEM references 22690-AB010 (also listed as 22690AB010, 22690 AB010) and compatible with the 234-4988 family (234-4988, 2344988, 234 4988, 18175, 24478), this heated, piezoelectric downstream sensor delivers reliable oxygen readings after the catalytic converter. By providing accurate feedback to the ECU, it helps optimize the air-fuel ratio, improves emissions control, and supports consistent catalytic converter performance. Designed as a direct-fit replacement, it respects factory wiring and sensor dimensions for a smooth, frustration-free installation. Originating from Mainland China, this sensor comes with a two-year replacement warranty and is CE certified for EU markets, giving you confidence in both compatibility and safety.
Benefits & Tips
- Precise after-cat oxygen sensing: Accurate readings help the engine control unit maintain optimal fuel mix, boosting efficiency and reducing emissions over time.
- Easy replacement for better reliability: A direct-fit design minimizes installation time and potential fitment issues compared to generic parts.
- Long-term durability with heating element: The heated sensor design performs well across a range of operating temperatures, improving startup response in colder climates.
Product specifications
- Sensor Type: Piezoelectric
- Heating Type: Heating Type
- Measuring Range: Downstream Rear Probe Air Fuel Ratio Lambda O2
- OEM No.: 22690-AB010, 22690AB010, 22690 AB010, 234-4988, 2344988, 234 4988, 18175, 24478
- Application: For SUBARU FORESTER 2014-2018; For SUBARU WRX 2015-2021
- Origin: Mainland China
- Warranty: 2 years (Replacement Warranty)
Package includes:
- 1 x Oxygen Sensor (Downstream)
Warnings / Reminders
- Please check the part number carefully to ensure compatibility with your vehicle.
- If you’re unsure which item fits your car, please provide the Part Number or original product photos for confirmation before ordering; we respond within 24 hours.
- The only way to be 100% sure the part will fit is to compare with your original sensor.
All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.
Trust note: Providing quality and trusted service since 2002 at intercyprus.com.