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Subaru Forester Air / Fuel Ratio Sensor Replacement

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  1. ✓ In Stock 2000-2002 Subaru Forester Air / Fuel Ratio Sensor - Upstream (Denso)

    2000-2002 Subaru Forester Air / Fuel Ratio Sensor - Upstream (Denso)

    Partslink #: 234-5003

    O.E. Quality Direct Fit Replacement Sensor

    $124.73 View part →
  2. ✓ In Stock 2011-2013 Subaru Forester Air / Fuel Ratio Sensor - Upstream (NGK)

    2011-2013 Subaru Forester Air / Fuel Ratio Sensor - Upstream (NGK)

    Partslink #: 24774

    B1S1 OE Equivalent Design

    $139.17 View part →
  3. ✓ In Stock 2006-2010 Subaru Forester Air / Fuel Ratio Sensor - Upstream (NGK)

    2006-2010 Subaru Forester Air / Fuel Ratio Sensor - Upstream (NGK)

    Partslink #: 24750

    B1S1 OE Equivalent Design

    $148.35 View part →
  4. ✓ In Stock 2005 Subaru Forester Air / Fuel Ratio Sensor - Upstream (NGK)

    2005 Subaru Forester Air / Fuel Ratio Sensor - Upstream (NGK)

    Partslink #: 24696

    B1S1 OE Equivalent Design

    $150.20 View part →
  5. ✓ In Stock 2004-2010 Subaru Forester Air / Fuel Ratio Sensor - Upstream (NGK)

    2004-2010 Subaru Forester Air / Fuel Ratio Sensor - Upstream (NGK)

    Partslink #: 24753

    B1S1 OE Equivalent Design

    $151.00 View part →
  6. ✓ In Stock 2000-2002 Subaru Forester Air / Fuel Ratio Sensor - Upstream (Walker Products)

    2000-2002 Subaru Forester Air / Fuel Ratio Sensor - Upstream (Walker Products)

    Partslink #: W0133-1893836
    $154.13 View part →
  7. ✓ In Stock 2011-2024 Subaru Forester Air / Fuel Ratio Sensor - Upstream (NGK)

    2011-2024 Subaru Forester Air / Fuel Ratio Sensor - Upstream (NGK)

    Partslink #: 24771

    B1S1 OE Equivalent Design

    $162.60 View part →
  8. ✓ In Stock 2006-2010 Subaru Forester Air / Fuel Ratio Sensor - Upstream (Denso)

    2006-2010 Subaru Forester Air / Fuel Ratio Sensor - Upstream (Denso)

    Partslink #: 234-9123

    DENSO is the O.E. Manufacturer / Direct Fit Air Fuel Ratio Sensor OE

    $168.50 View part →
  9. ✓ In Stock 2014-2018 Subaru Forester Air / Fuel Ratio Sensor - Upstream (Denso)

    2014-2018 Subaru Forester Air / Fuel Ratio Sensor - Upstream (Denso)

    Partslink #: 234-5178

    O.E. Quality Direct Fit Replacement Sensor

    $169.98 View part →
  10. ✓ In Stock 2000-2002 Subaru Forester Air / Fuel Ratio Sensor - Upstream (Bosch)

    2000-2002 Subaru Forester Air / Fuel Ratio Sensor - Upstream (Bosch)

    Partslink #: W0133-1653210
    $179.15 View part →
  11. ✓ In Stock 2000-2002 Subaru Forester Air / Fuel Ratio Sensor - Upstream (NGK)

    2000-2002 Subaru Forester Air / Fuel Ratio Sensor - Upstream (NGK)

    Partslink #: 27092

    B1S1 OE Equivalent Design

    $180.72 View part →
  12. ✓ In Stock 2000-2002 Subaru Forester Air / Fuel Ratio Sensor - Upstream (Denso)

    2000-2002 Subaru Forester Air / Fuel Ratio Sensor - Upstream (Denso)

    Partslink #: W0133-1836424
    $189.45 View part →
  13. ✓ In Stock 2014-2018 Subaru Forester Air / Fuel Ratio Sensor - Upstream (NGK)

    2014-2018 Subaru Forester Air / Fuel Ratio Sensor - Upstream (NGK)

    Partslink #: 27004

    B1S1 OE MFR: NTK

    $190.04 View part →
  14. ✓ In Stock 2005 Subaru Forester Air / Fuel Ratio Sensor - Upstream (Denso)

    2005 Subaru Forester Air / Fuel Ratio Sensor - Upstream (Denso)

    Partslink #: 234-9122

    DENSO is the O.E. Manufacturer / Direct Fit Air Fuel Ratio Sensor OE

    $195.51 View part →
  15. ✓ In Stock 2004-2010 Subaru Forester Air / Fuel Ratio Sensor - Upstream (Denso)

    2004-2010 Subaru Forester Air / Fuel Ratio Sensor - Upstream (Denso)

    Partslink #: 234-9120

    DENSO is the O.E. Manufacturer / Direct Fit Air Fuel Ratio Sensor OE

    $208.41 View part →
  16. ✓ In Stock 2010-2013 Subaru Forester Air / Fuel Ratio Sensor - Upstream (Bosch)

    2010-2013 Subaru Forester Air / Fuel Ratio Sensor - Upstream (Bosch)

    Partslink #: W0133-2284044

    Production: -04/30/2010

    $212.10 View part →
  17. ✓ In Stock 2006-2010 Subaru Forester Air / Fuel Ratio Sensor - Upstream (Walker Products)

    2006-2010 Subaru Forester Air / Fuel Ratio Sensor - Upstream (Walker Products)

    Partslink #: W0133-1894365
    $213.09 View part →
  18. ✓ In Stock 2003-2004 Subaru Forester Air / Fuel Ratio Sensor - Upstream (Denso)

    2003-2004 Subaru Forester Air / Fuel Ratio Sensor - Upstream (Denso)

    Partslink #: 234-9015

    DENSO is the O.E. Manufacturer / Direct Fit Air Fuel Ratio Sensor OE

    $214.35 View part →
  19. ✓ In Stock 2010 Subaru Forester Air / Fuel Ratio Sensor - Upstream (Denso)

    2010 Subaru Forester Air / Fuel Ratio Sensor - Upstream (Denso)

    Partslink #: 234-9035

    With female connector DENSO is the O.E. Manufacturer / Direct Fit Air Fuel Ratio Sensor OE

    $216.48 View part →
  20. ✓ In Stock 2011-2013 Subaru Forester Air / Fuel Ratio Sensor - Upstream (Denso)

    2011-2013 Subaru Forester Air / Fuel Ratio Sensor - Upstream (Denso)

    Partslink #: 234-9108

    DENSO is the O.E. Manufacturer / Direct Fit Air Fuel Ratio Sensor OE

    $216.81 View part →
  21. ✓ In Stock 2004-2008 Subaru Forester Air / Fuel Ratio Sensor - Upstream (Bosch)

    2004-2008 Subaru Forester Air / Fuel Ratio Sensor - Upstream (Bosch)

    Partslink #: W0133-1653795
    $218.72 View part →
  22. ✓ In Stock 2011-2013 Subaru Forester Air / Fuel Ratio Sensor - Upstream (Denso)

    2011-2013 Subaru Forester Air / Fuel Ratio Sensor - Upstream (Denso)

    Partslink #: 234-9109

    DENSO is the O.E. Manufacturer / Direct Fit Air Fuel Ratio Sensor OE

    $230.03 View part →
  23. ✓ In Stock 2014-2017 Subaru Forester Air / Fuel Ratio Sensor - Upstream (Denso)

    2014-2017 Subaru Forester Air / Fuel Ratio Sensor - Upstream (Denso)

    Partslink #: 234-9138

    DENSO is the O.E. Manufacturer / Direct Fit Air Fuel Ratio Sensor OE

    $231.21 View part →
  24. ✓ In Stock 2014-2018 Subaru Forester Air / Fuel Ratio Sensor - Upstream (Denso)

    2014-2018 Subaru Forester Air / Fuel Ratio Sensor - Upstream (Denso)

    Partslink #: W0133-2097258
    $254.37 View part →
  25. ✓ In Stock 2006-2010 Subaru Forester Air / Fuel Ratio Sensor - Upstream (Denso)

    2006-2010 Subaru Forester Air / Fuel Ratio Sensor - Upstream (Denso)

    Partslink #: W0133-1894364
    $256.01 View part →
  26. ✓ In Stock 2004-2010 Subaru Forester Air / Fuel Ratio Sensor - Upstream (NGK)

    2004-2010 Subaru Forester Air / Fuel Ratio Sensor - Upstream (NGK)

    Partslink #: 24821

    B1S1 OE Equivalent Design Sel Out & Reorder 24753

    $260.51 View part →
  27. ✓ In Stock 2011-2013 Subaru Forester Air / Fuel Ratio Sensor - Upstream (NGK)

    2011-2013 Subaru Forester Air / Fuel Ratio Sensor - Upstream (NGK)

    Partslink #: 24830

    B1S1 OE Equivalent Design Sel Out & Reorder 24774

    $265.79 View part →
  28. ✓ In Stock 2005 Subaru Forester Air / Fuel Ratio Sensor - Upstream (Denso)

    2005 Subaru Forester Air / Fuel Ratio Sensor - Upstream (Denso)

    Partslink #: W0133-1853136
    $279.38 View part →
  29. ✓ In Stock 2014-2018 Subaru Forester Air / Fuel Ratio Sensor - Upstream (NTK)

    2014-2018 Subaru Forester Air / Fuel Ratio Sensor - Upstream (NTK)

    Partslink #: W0133-1627502
    $283.31 View part →
  30. ✓ In Stock 2006-2010 Subaru Forester Air / Fuel Ratio Sensor - Upstream (Bosch)

    2006-2010 Subaru Forester Air / Fuel Ratio Sensor - Upstream (Bosch)

    Partslink #: W0133-1813525
    $291.41 View part →
  31. ✓ In Stock 2003-2004 Subaru Forester Air / Fuel Ratio Sensor - Upstream (NGK)

    2003-2004 Subaru Forester Air / Fuel Ratio Sensor - Upstream (NGK)

    Partslink #: 24664

    B1S1 OE Equivalent Design

    $302.52 View part →
  32. ✓ In Stock 2003-2004 Subaru Forester Air / Fuel Ratio Sensor - Upstream (Denso)

    2003-2004 Subaru Forester Air / Fuel Ratio Sensor - Upstream (Denso)

    Partslink #: W0133-1604381
    $312.51 View part →
  33. ✓ In Stock 2004-2009 Subaru Forester Air / Fuel Ratio Sensor - Upstream (Denso)

    2004-2009 Subaru Forester Air / Fuel Ratio Sensor - Upstream (Denso)

    Partslink #: W0133-1853284
    $321.27 View part →
  34. ✓ In Stock 2014-2018 Subaru Forester Air / Fuel Ratio Sensor - Upstream (Denso)

    2014-2018 Subaru Forester Air / Fuel Ratio Sensor - Upstream (Denso)

    Partslink #: W0133-2097259
    $331.08 View part →
  35. ✓ In Stock 2005 Subaru Forester Air / Fuel Ratio Sensor - Upstream (NGK)

    2005 Subaru Forester Air / Fuel Ratio Sensor - Upstream (NGK)

    Partslink #: 24825

    B1S1 OE Equivalent Design Sel Out & Reorder 24696

    $342.98 View part →
  36. ✓ In Stock 2010-2013 Subaru Forester Air / Fuel Ratio Sensor - Upstream (Denso)

    2010-2013 Subaru Forester Air / Fuel Ratio Sensor - Upstream (Denso)

    Partslink #: W0133-1953671

    Production: 05/01/2010-

    $361.29 View part →
  37. ✓ In Stock 2011-2013 Subaru Forester Air / Fuel Ratio Sensor - Upstream (Denso)

    2011-2013 Subaru Forester Air / Fuel Ratio Sensor - Upstream (Denso)

    Partslink #: W0133-1953672
    $369.02 View part →
  38. ✓ In Stock 2010 Subaru Forester Air / Fuel Ratio Sensor - Upstream (Denso)

    2010 Subaru Forester Air / Fuel Ratio Sensor - Upstream (Denso)

    Partslink #: W0133-1953525

    Production: -04/30/2010

    $395.22 View part →

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★★★★★ 4.9 1,451 verified reviews

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Air / Fuel Ratio Sensor Compatibility for Subaru Forester

Browse our selection of quality air / fuel ratio sensor parts designed specifically for your Subaru Forester. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.

Available Trims

2.0XT Limited · 2.0XT Premium · 2.0XT Touring · 2.5 X · 2.5 XS · 2.5 XS Premium · 2.5 XT · 2.5i · 2.5i Convenience · 2.5i Limited · 2.5i Premium · 2.5i Touring · Anniversary Edition · Base · Black Edition · Convenience · L · Limited · Premier · Premium · Premium Plus · S · Sport · Sports 2.5 X · Sports 2.5 XT · Touring · Wilderness · X · X Convenience · X L.L. Bean Edition · X Limited · X Premium · X Touring · XS · XS L.L. Bean Edition · XSL · XT · XT Limited · XT Premium · XT Sports · XT Touring

Body Types

Sport Utility

Engine Options

H4 2.0L · H4 2.5L

Transmissions

Automatic · Automatic CVT · Manual

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