Description
WALKER PRODUCTS ORIGINAL EQUIPMENT OXYGEN SENSORS
Restore your ride to optimum, OE-standard performance with Walker Products’ original equipment oxygen sensors. They’ exactly the same sensors as the ones your vehicle has, offering a straightforward replacement that’s as good as it gets. Walker Products supplies the automotive aftermarket with premium engine sensors and fuel system components.
- Exact original equipment sensor
- Made with first-class materials in TS 16949/ISO 9001-2008 qualified facilities
- Extends sensor life and minimizes emissions
- Boosts fuel economy and engine response
Vehicle Fit Details
- 2004-2005 Subaru Forester XT 4 Cyl 2.5L (B1S1)
- 2009 Subaru Forester XT 4 Cyl 2.5L (B1S1)
- 2004-2007 Subaru Impreza WRX STI 4 Cyl 2.5L (B1S1)
- 2005 Subaru Baja Turbo 4 Cyl 2.5L (B1S1)
- 2005 Subaru Legacy GT Limited 4 Cyl 2.5L (B1S1)
- 2007 Subaru Legacy GT Limited 4 Cyl 2.5L (B1S1)
- 2005-2006 Subaru Legacy GT 4 Cyl 2.5L (B1S1)
- 2005 Subaru Forester XT Premium 4 Cyl 2.5L (B1S1)
- 2010 Subaru Forester XT Premium 4 Cyl 2.5L (B1S1)
- 2005-2007 Subaru Outback XT Limited 4 Cyl 2.5L (B1S1)
- 2005-2006 Subaru Outback XT 4 Cyl 2.5L (B1S1)
- 2006-2010 Subaru Forester XT Limited 4 Cyl 2.5L (Manual Transaxle, B1S1)
- 2006-2007 Subaru Legacy GT spec.B 4 Cyl 2.5L (B1S1)
- 2006 Saab 9-2X Aero 4 Cyl 2.5L (B1S1)
- 2006-2007 Subaru Impreza WRX Limited 4 Cyl 2.5L (B1S1)
- 2006-2007 Subaru Impreza WRX TR 4 Cyl 2.5L (B1S1)
- 2006-2008 Subaru Impreza WRX 4 Cyl 2.5L (B1S1)
- 2007 Subaru Impreza WRX STI Limited 4 Cyl 2.5L (B1S1)
- 2008 Subaru Forester 2.5 XT 4 Cyl 2.5L (B1S1)
- 2008 Subaru Forester Sports 2.5 XT 4 Cyl 2.5L (B1S1)
- 2015-2020 Subaru WRX STI Base 4 Cyl 2.5L (B1S1)
- 2015 Subaru WRX STI Launch Edition 4 Cyl 2.5L (B1S1)
- 2015-2020 Subaru WRX STI Limited 4 Cyl 2.5L (B1S1)
- 2016 Subaru WRX STI Series.HyperBlue 4 Cyl 2.5L (FI, Turbocharged, GAS, B1S1)
- 2018 Subaru WRX STI Type RA 4 Cyl 2.5L (FI, Turbocharged, GAS, B1S1)













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