![Subaru (OEM) O2 Sensor (Rear), 2002-2007 WRX & STi (MT Only)](graphics/en-US/cssui/blank.gif)
Product Description
- 2003-2005 WRX
- 2006-2007 WRX
- 2004-2007 STi
- 2004-2008 Forester XT
- Fitment Notes: While the rear O2 sensor doesn't affect fuel delivery it can result in a check engine light (CEL) if it's faulty resulting in the P0420 CEL Code
- Brand: Genuine Subaru (OEM)
- Manufacturer's Part Number: 22690AA520
- Condition: New Product
FITMENTS:
Subaru
![](https://www.oakos.com/Merchant2/graphics/00000001/brandlogos/SUB_100x100.gif)
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