Home » Oxygen Sensor Upstream Lambda for Subaru Forester 2014-2018, WRX 2015-2021

Oxygen Sensor Upstream Lambda for Subaru Forester 2014-2018, WRX 2015-2021

SKU: 1005010784672401-Default Title
Default Title
€49,97
-37% €79,95 €49,97

Upgrade your Subaru with a precise upstream oxygen sensor (lambda sensor) designed to fit Subaru Forester models from 2014 to 2018 and WRX models from 2015 to 2021. This sensor monitors exhaust gas to help maintain the optimal air-fuel ratio, supporting smoother engine response, better emissions performance, and reliable catalytic converter operation. Built to match OEM specifications (22641-AA650 and related numbers) and featuring a robust heating design, it delivers dependable readings and durable service. Manufactured by IWOKPHD in Mainland China, this sensor is crafted for consistent performance and straightforward installation.

Benefits & Tips

  • Provides upstream oxygen sensor readings to support proper fuel metering and combustion efficiency for Subaru Forester 2014–2018 and WRX 2015–2021.
  • Direct replacement experience with compatibility for OEM numbers ensures reliable engine performance and emissions control.
  • Designed for easy installation and dependable operation, helping you maintain your vehicle’s diagnostic readiness and driveability.

Product specifications

  • Brand Name: IWOKPHD
  • Part Numbers: 22641-AA650, 22641AA650, 234-5178, 2345178, 27004, 18174
  • Sensor Type: Upstream Oxygen O2 Sensor
  • Type: Piezoelectric
  • Heating Type: Heating Type
  • Application: For SUBARU FORESTER 2014-2018; For SUBARU WRX 2015-2021
  • Origin: Mainland China
  • Measuring Range: For SUBARU FORESTER 2014-2018
  • Repeatability: Easy Installation
  • Electronic: No
  • Hysteresis: 22641-AA650
  • OEM No.: 22641-AA650, 22641AA650, 234-5178, 2345178, 27004, 18174

Package includes:

  • 1 pcs

Warnings / Reminders

  • Please check the picture and the part number carefully to ensure you bought the right part for your car.
  • If you are not 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 check for you and reply within 24 hours.

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