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Subaru Impreza Air / Fuel Ratio Sensor Replacement

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

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

    Partslink #: 234-5003

    O.E. Quality Direct Fit Replacement Sensor

    $124.73 View part →
  2. ✓ In Stock 2009-2014 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (NGK)

    2009-2014 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (NGK)

    Partslink #: 24774

    B1S1 OE Equivalent Design

    $139.17 View part →
  3. ✓ In Stock 2006-2011 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (NGK)

    2006-2011 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (NGK)

    Partslink #: 24750

    B1S1 OE Equivalent Design

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

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

    Partslink #: 24696

    B1S1 OE Equivalent Design

    $150.20 View part →
  5. ✓ In Stock 2004-2014 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (NGK)

    2004-2014 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (NGK)

    Partslink #: 24753

    B1S1 OE Equivalent Design

    $151.00 View part →
  6. ✓ In Stock 1999-2002 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (Walker Products)

    1999-2002 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (Walker Products)

    Partslink #: W0133-1893836
    $154.13 View part →
  7. ✓ In Stock 2012-2024 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (NGK)

    2012-2024 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (NGK)

    Partslink #: 24771

    B1S1 OE Equivalent Design

    $162.60 View part →
  8. ✓ In Stock 2006-2011 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (Denso)

    2006-2011 Subaru Impreza 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 1999-2002 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (Bosch)

    1999-2002 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (Bosch)

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

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

    Partslink #: 27092

    B1S1 OE Equivalent Design

    $180.72 View part →
  11. ✓ In Stock 1999-2002 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (Denso)

    1999-2002 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (Denso)

    Partslink #: W0133-1836424
    $189.45 View part →
  12. ✓ In Stock 2008-2014 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (Bosch)

    2008-2014 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (Bosch)

    Partslink #: W0133-2618488
    $192.06 View part →
  13. ✓ In Stock 2005 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (Denso)

    2005 Subaru Impreza 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 →
  14. ✓ In Stock 2008-2013 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (Denso)

    2008-2013 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (Denso)

    Partslink #: 234-9034

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

    $199.26 View part →
  15. ✓ In Stock 2004-2008 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (Denso)

    2004-2008 Subaru Impreza 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 2009-2014 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (Bosch)

    2009-2014 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (Bosch)

    Partslink #: W0133-2284044
    $212.10 View part →
  17. ✓ In Stock 2006-2011 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (Walker Products)

    2006-2011 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (Walker Products)

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

    2003-2004 Subaru Impreza 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 1999-2001 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (Denso)

    1999-2001 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (Denso)

    Partslink #: 234-9018

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

    $215.07 View part →
  20. ✓ In Stock 2009-2010 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (Denso)

    2009-2010 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (Denso)

    Partslink #: 234-9035

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

    $216.48 View part →
  21. ✓ In Stock 2010-2013 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (Denso)

    2010-2013 Subaru Impreza 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 →
  22. ✓ In Stock 2004-2007 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (Bosch)

    2004-2007 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (Bosch)

    Partslink #: W0133-1653795
    $218.72 View part →
  23. ✓ In Stock 2012-2014 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (Denso)

    2012-2014 Subaru Impreza 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 →
  24. ✓ In Stock 2015-2017 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (Denso)

    2015-2017 Subaru Impreza 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 →
  25. ✓ In Stock 2002-2005 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (Denso)

    2002-2005 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (Denso)

    Partslink #: 234-9011

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

    $241.92 View part →
  26. ✓ In Stock 2006-2014 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (Denso)

    2006-2014 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (Denso)

    Partslink #: W0133-1894364
    $256.01 View part →
  27. ✓ In Stock 2004-2014 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (NGK)

    2004-2014 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (NGK)

    Partslink #: 24821

    B1S1 OE Equivalent Design Sel Out & Reorder 24753

    $260.51 View part →
  28. ✓ In Stock 2009-2014 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (NGK)

    2009-2014 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (NGK)

    Partslink #: 24830

    B1S1 OE Equivalent Design Sel Out & Reorder 24774

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

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

    Partslink #: W0133-1853136
    $279.38 View part →
  30. ✓ In Stock 2006-2011 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (Bosch)

    2006-2011 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (Bosch)

    Partslink #: W0133-1813525
    $291.41 View part →
  31. ✓ In Stock 2002-2005 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (NGK)

    2002-2005 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (NGK)

    Partslink #: 24659

    B1S1 OE Equivalent Design

    $291.47 View part →
  32. ✓ In Stock 1997-2001 Subaru Impreza Air / Fuel Ratio Sensor - or Upstream (Denso)

    1997-2001 Subaru Impreza Air / Fuel Ratio Sensor - or Upstream (Denso)

    Partslink #: W0133-1606141

    w/ California Emissions

    $294.71 View part →
  33. ✓ In Stock 2003-2004 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (NGK)

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

    Partslink #: 24664

    B1S1 OE Equivalent Design

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

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

    Partslink #: W0133-1604381
    $312.51 View part →
  35. ✓ In Stock 2008-2014 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (Denso)

    2008-2014 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (Denso)

    Partslink #: W0133-1953667
    $314.25 View part →
  36. ✓ In Stock 2004-2008 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (Denso)

    2004-2008 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (Denso)

    Partslink #: W0133-1853284
    $321.27 View part →
  37. ✓ In Stock 2015-2016 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (Denso)

    2015-2016 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (Denso)

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

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

    Partslink #: 24825

    B1S1 OE Equivalent Design Sel Out & Reorder 24696

    $342.98 View part →
  39. ✓ In Stock 1999-2001 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (NGK)

    1999-2001 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (NGK)

    Partslink #: 24667

    B1S1 Calif. Emissions OE Equivalent Design

    $355.37 View part →
  40. ✓ In Stock 2011-2014 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (Denso)

    2011-2014 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (Denso)

    Partslink #: W0133-1953671
    $361.29 View part →
  41. ✓ In Stock 2012-2014 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (Denso)

    2012-2014 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (Denso)

    Partslink #: W0133-1953672
    $369.02 View part →
  42. ✓ In Stock 2002-2005 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (Denso)

    2002-2005 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (Denso)

    Partslink #: W0133-1602410
    $389.87 View part →
  43. ✓ In Stock 2009-2010 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (Denso)

    2009-2010 Subaru Impreza Air / Fuel Ratio Sensor - Upstream (Denso)

    Partslink #: W0133-1953525
    $395.22 View part →

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Air / Fuel Ratio Sensor Compatibility for Subaru Impreza

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

Available Trims

2.0R · 2.5 GT · 2.5i · 2.5i Limited · 2.5i Premium · Base · Brighton · Convenience · I Limited · I Sport · L · Limited · Outback · Outback Sport · Premium · R · RS · Sport · Sport Limited · Sport Premium · Sport-tech · TS · Touring · WRX · WRX GT · WRX Limited · WRX Premium · WRX SE · WRX STI · WRX STI Limited · WRX STI Special Edition · WRX TR · XV · i

Body Types

Coupe · Hatchback · Sedan · Wagon

Engine Options

H4 1.8L · H4 2.0L · H4 2.2L · H4 2.5L

Transmissions

Automatic · Automatic CVT · Manual

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