My Account About Us Help Desk
Go-Parts
Account About Us Help Desk
Cart 0
Your cart is empty
Add an item to see it appear here.

Audi A4 Quattro Oxygen Sensor Replacement

1
SELECT Year
  1. ✓ In Stock 2005-2006 Audi A4 Quattro Oxygen Sensor - Downstream Left or Downstream Right (Spectra)

    2005-2006 Audi A4 Quattro Oxygen Sensor - Downstream Left or Downstream Right (Spectra)

    Partslink #: OS5026
    $39.40 View part →
  2. ✓ In Stock 2006-2009 Audi A4 Quattro Oxygen Sensor - Downstream Left (Spectra)

    2006-2009 Audi A4 Quattro Oxygen Sensor - Downstream Left (Spectra)

    Partslink #: OS6122

    From VIN # 8E-6-035 001

    $71.38 View part →
  3. ✓ In Stock 2005-2006 Audi A4 Quattro Oxygen Sensor - Downstream Left or Downstream Right (Walker Products)

    2005-2006 Audi A4 Quattro Oxygen Sensor - Downstream Left or Downstream Right (Walker Products)

    Partslink #: 350-34112
    $73.34 View part →
  4. ✓ In Stock 2005-2009 Audi A4 Quattro Oxygen Sensor - Downstream Left (Bosch)

    2005-2009 Audi A4 Quattro Oxygen Sensor - Downstream Left (Bosch)

    Partslink #: 15741
    $72.26 View part →
  5. ✓ In Stock 1997-2000 Audi A4 Quattro Oxygen Sensor - Downstream or Upstream Left or Upstream Right (Walker Products)

    1997-2000 Audi A4 Quattro Oxygen Sensor - Downstream or Upstream Left or Upstream Right (Walker Products)

    Partslink #: 350-34427

    B1S2

    $74.04 View part →
  6. ✓ In Stock 2000-2005 Audi A4 Quattro Oxygen Sensor - Rear or Rear Left (Vemo)

    2000-2005 Audi A4 Quattro Oxygen Sensor - Rear or Rear Left (Vemo)

    Partslink #: V10-76-0015

    Grade: Aftermarket Description: 4 Cables / 720 mm Weight: 0,16kg

    $87.25 View part →
  7. ✓ In Stock 2005-2006 Audi A4 Quattro Oxygen Sensor - Rear Left or Rear Right (Facet)

    2005-2006 Audi A4 Quattro Oxygen Sensor - Rear Left or Rear Right (Facet)

    Partslink #: 10.8253

    Wiring Harness Length: 800mm

    $81.92 View part →
  8. ✓ In Stock 2005-2009 Audi A4 Quattro Oxygen Sensor - Downstream Left (Walker Products)

    2005-2009 Audi A4 Quattro Oxygen Sensor - Downstream Left (Walker Products)

    Partslink #: 350-34509
    $88.84 View part →
  9. ✓ In Stock 1996-2000 Audi A4 Quattro Oxygen Sensor - Downstream or Downstream Left or Downstream Right or Upstream (Bosch)

    1996-2000 Audi A4 Quattro Oxygen Sensor - Downstream or Downstream Left or Downstream Right or Upstream (Bosch)

    Partslink #: 15738
    $82.20 View part →
  10. ✓ In Stock 2005-2009 Audi A4 Quattro Oxygen Sensor - Downstream Left (Walker Products)

    2005-2009 Audi A4 Quattro Oxygen Sensor - Downstream Left (Walker Products)

    Partslink #: 250-24953
    $104.44 View part →
  11. ✓ In Stock 1996-1999 Audi A4 Quattro Oxygen Sensor - Downstream Left or Downstream Right (Walker Products)

    1996-1999 Audi A4 Quattro Oxygen Sensor - Downstream Left or Downstream Right (Walker Products)

    Partslink #: 350-34058
    $82.83 View part →
  12. ✓ In Stock 2005-2006 Audi A4 Quattro Oxygen Sensor - Downstream Left (Spectra)

    2005-2006 Audi A4 Quattro Oxygen Sensor - Downstream Left (Spectra)

    Partslink #: OS6238
    $109.86 View part →
  13. ✓ In Stock 1996-1997 Audi A4 Quattro Oxygen Sensor - Upstream Left or Upstream Right (Walker Products)

    1996-1997 Audi A4 Quattro Oxygen Sensor - Upstream Left or Upstream Right (Walker Products)

    Partslink #: 350-33064
    $84.79 View part →
  14. ✓ In Stock 2005-2006 Audi A4 Quattro Oxygen Sensor - Downstream Left (Denso)

    2005-2006 Audi A4 Quattro Oxygen Sensor - Downstream Left (Denso)

    Partslink #: 234-4808

    O.E. Quality Direct Fit Replacement Sensor

    $125.91 View part →
  15. ✓ In Stock 1997-2000 Audi A4 Quattro Oxygen Sensor - Downstream or Upstream Left or Upstream Right (Walker Products)

    1997-2000 Audi A4 Quattro Oxygen Sensor - Downstream or Upstream Left or Upstream Right (Walker Products)

    Partslink #: 250-24147

    B1S2

    $85.21 View part →
  16. ✓ In Stock 2006-2009 Audi A4 Quattro Oxygen Sensor - Downstream Left (NGK)

    2006-2009 Audi A4 Quattro Oxygen Sensor - Downstream Left (NGK)

    Partslink #: 25079

    From Chassis # 8E-6-035 001; OE MFR: NTK

    $142.41 View part →
  17. ✓ In Stock 2005-2006 Audi A4 Quattro Oxygen Sensor - Downstream Left or Downstream Right (Walker Products)

    2005-2006 Audi A4 Quattro Oxygen Sensor - Downstream Left or Downstream Right (Walker Products)

    Partslink #: 250-24432
    $85.24 View part →
  18. ✓ In Stock 2000-2001 Audi A4 Quattro Oxygen Sensor - Downstream Left (Walker Products)

    2000-2001 Audi A4 Quattro Oxygen Sensor - Downstream Left (Walker Products)

    Partslink #: W0133-1896127
    $173.73 View part →
  19. ✓ In Stock 2009-2014 Audi A4 Quattro Oxygen Sensor - Downstream Left or Downstream Right (Walker Products)

    2009-2014 Audi A4 Quattro Oxygen Sensor - Downstream Left or Downstream Right (Walker Products)

    Partslink #: 350-34585
    $85.42 View part →
  20. ✓ In Stock 2005-2009 Audi A4 Quattro Oxygen Sensor - Downstream Left (NTK)

    2005-2009 Audi A4 Quattro Oxygen Sensor - Downstream Left (NTK)

    Partslink #: W0133-1893407

    Chas: -035000

    $187.71 View part →
  21. ✓ In Stock 2005-2009 Audi A4 Quattro Oxygen Sensor - Downstream Right (Walker Products)

    2005-2009 Audi A4 Quattro Oxygen Sensor - Downstream Right (Walker Products)

    Partslink #: 350-34120
    $86.08 View part →
  22. ✓ In Stock 2005-2006 Audi A4 Quattro Oxygen Sensor - Downstream Left (NGK)

    2005-2006 Audi A4 Quattro Oxygen Sensor - Downstream Left (NGK)

    Partslink #: 25173

    B2S2 OE MFR: NTK

    $190.74 View part →
  23. ✓ In Stock 2000-2005 Audi A4 Quattro Oxygen Sensor - Downstream or Downstream Left or Downstream Right or Upstream (Walker Products)

    2000-2005 Audi A4 Quattro Oxygen Sensor - Downstream or Downstream Left or Downstream Right or Upstream (Walker Products)

    Partslink #: 350-34207

    B1S2

    $88.44 View part →
  24. ✓ In Stock 2005-2006 Audi A4 Quattro Oxygen Sensor - Downstream Left (Denso)

    2005-2006 Audi A4 Quattro Oxygen Sensor - Downstream Left (Denso)

    Partslink #: 234-4409

    O.E. Quality Direct Fit Replacement Sensor

    $201.09 View part →
  25. ✓ In Stock 2000-2005 Audi A4 Quattro Oxygen Sensor - Front or Rear or Rear Left or Rear Right (Facet)

    2000-2005 Audi A4 Quattro Oxygen Sensor - Front or Rear or Rear Left or Rear Right (Facet)

    Partslink #: 10.8247
    $90.68 View part →
  26. ✓ In Stock 2000-2001 Audi A4 Quattro Oxygen Sensor - Upstream Left or Upstream Right (Walker Products)

    2000-2001 Audi A4 Quattro Oxygen Sensor - Upstream Left or Upstream Right (Walker Products)

    Partslink #: 350-34144
    $95.60 View part →
  27. ✓ In Stock 1996-1997 Audi A4 Quattro Oxygen Sensor - Upstream Left or Upstream Right (Walker Products)

    1996-1997 Audi A4 Quattro Oxygen Sensor - Upstream Left or Upstream Right (Walker Products)

    Partslink #: 250-23113
    $97.81 View part →
  28. ✓ In Stock 2000-2001 Audi A4 Quattro Oxygen Sensor - Downstream Left or Downstream Right (Walker Products)

    2000-2001 Audi A4 Quattro Oxygen Sensor - Downstream Left or Downstream Right (Walker Products)

    Partslink #: 350-34138
    $98.09 View part →
  29. ✓ In Stock 2005-2009 Audi A4 Quattro Oxygen Sensor - Downstream Right (Walker Products)

    2005-2009 Audi A4 Quattro Oxygen Sensor - Downstream Right (Walker Products)

    Partslink #: 250-24669
    $98.55 View part →
  30. ✓ In Stock 1996-1999 Audi A4 Quattro Oxygen Sensor - Downstream Left or Downstream Right (Walker Products)

    1996-1999 Audi A4 Quattro Oxygen Sensor - Downstream Left or Downstream Right (Walker Products)

    Partslink #: 250-24174
    $98.97 View part →
  31. ✓ In Stock 2000-2006 Audi A4 Quattro Oxygen Sensor - Front or Rear or Rear Left or Rear Right (Hella)

    2000-2006 Audi A4 Quattro Oxygen Sensor - Front or Rear or Rear Left or Rear Right (Hella)

    Partslink #: 358066391

    4-Pin Connector - Cable: 1750mm

    $99.43 View part →
  32. ✓ In Stock 2009-2014 Audi A4 Quattro Oxygen Sensor - Downstream Left or Downstream Right (Walker Products)

    2009-2014 Audi A4 Quattro Oxygen Sensor - Downstream Left or Downstream Right (Walker Products)

    Partslink #: 250-24753
    $100.80 View part →
  33. ✓ In Stock 2000-2005 Audi A4 Quattro Oxygen Sensor - Downstream or Downstream Left or Downstream Right or Upstream (Walker Products)

    2000-2005 Audi A4 Quattro Oxygen Sensor - Downstream or Downstream Left or Downstream Right or Upstream (Walker Products)

    Partslink #: 250-24689

    B1S2

    $101.14 View part →
  34. ✓ In Stock 2000-2001 Audi A4 Quattro Oxygen Sensor - Upstream Left or Upstream Right (Walker Products)

    2000-2001 Audi A4 Quattro Oxygen Sensor - Upstream Left or Upstream Right (Walker Products)

    Partslink #: 250-24395
    $104.84 View part →
  35. ✓ In Stock 1997-2000 Audi A4 Quattro Oxygen Sensor - Downstream or Upstream Left or Upstream Right (NGK)

    1997-2000 Audi A4 Quattro Oxygen Sensor - Downstream or Upstream Left or Upstream Right (NGK)

    Partslink #: 25550

    B2S1 OE Equivalent Design

    $109.77 View part →
  36. ✓ In Stock 2005-2006 Audi A4 Quattro Oxygen Sensor - Downstream Right (Denso)

    2005-2006 Audi A4 Quattro Oxygen Sensor - Downstream Right (Denso)

    Partslink #: 234-4809

    O.E. Quality Direct Fit Replacement Sensor

    $110.79 View part →
  37. ✓ In Stock 2000-2001 Audi A4 Quattro Oxygen Sensor - Downstream Left or Downstream Right (Walker Products)

    2000-2001 Audi A4 Quattro Oxygen Sensor - Downstream Left or Downstream Right (Walker Products)

    Partslink #: 250-24414
    $112.22 View part →
  38. ✓ In Stock 2005-2006 Audi A4 Quattro Oxygen Sensor - Rear Left or Rear Right (Delphi)

    2005-2006 Audi A4 Quattro Oxygen Sensor - Rear Left or Rear Right (Delphi)

    Partslink #: ES20168

    with 700mm Overall Length

    $114.11 View part →
  39. ✓ In Stock 1996-1999 Audi A4 Quattro Oxygen Sensor - Downstream Right (Bosch)

    1996-1999 Audi A4 Quattro Oxygen Sensor - Downstream Right (Bosch)

    Partslink #: 13550
    $114.68 View part →
  40. ✓ In Stock 2005-2006 Audi A4 Quattro Oxygen Sensor - Downstream Right (Spectra)

    2005-2006 Audi A4 Quattro Oxygen Sensor - Downstream Right (Spectra)

    Partslink #: OS6128
    $117.85 View part →
  41. ✓ In Stock 2000-2005 Audi A4 Quattro Oxygen Sensor - Front or Rear or Rear Left or Rear Right (Delphi)

    2000-2005 Audi A4 Quattro Oxygen Sensor - Front or Rear or Rear Left or Rear Right (Delphi)

    Partslink #: ES20166

    with 1530mm Overall Length

    $120.34 View part →
  42. ✓ In Stock 2000-2001 Audi A4 Quattro Oxygen Sensor - Front or Rear Left or Rear Right (Vemo)

    2000-2001 Audi A4 Quattro Oxygen Sensor - Front or Rear Left or Rear Right (Vemo)

    Partslink #: V10-76-0116

    Grade: Aftermarket Description: Planar, 4 wires / 1700 mm

    $122.54 View part →
  43. ✓ In Stock 2005-2006 Audi A4 Quattro Oxygen Sensor - Downstream Left or Downstream Right (NGK)

    2005-2006 Audi A4 Quattro Oxygen Sensor - Downstream Left or Downstream Right (NGK)

    Partslink #: 25604

    B2S2 OE Equivalent Design

    $122.85 View part →
  44. ✓ In Stock 2009 Audi A4 Quattro Oxygen Sensor - Downstream Left or Downstream Right (NGK)

    2009 Audi A4 Quattro Oxygen Sensor - Downstream Left or Downstream Right (NGK)

    Partslink #: 25197

    OE MFR: NTK

    $123.61 View part →
  45. ✓ In Stock 2005-2009 Audi A4 Quattro Oxygen Sensor - Front Left or Front Right (URO Parts)

    2005-2009 Audi A4 Quattro Oxygen Sensor - Front Left or Front Right (URO Parts)

    Partslink #: 06E906265S
    $125.52 View part →
  46. ✓ In Stock 2002-2006 Audi A4 Quattro Oxygen Sensor - Upstream Left or Upstream Right (Walker Products)

    2002-2006 Audi A4 Quattro Oxygen Sensor - Upstream Left or Upstream Right (Walker Products)

    Partslink #: 350-35015
    $125.55 View part →
  47. ✓ In Stock 2002-2006 Audi A4 Quattro Oxygen Sensor - Upstream Left or Upstream Right (Walker Products)

    2002-2006 Audi A4 Quattro Oxygen Sensor - Upstream Left or Upstream Right (Walker Products)

    Partslink #: 250-25007
    $126.06 View part →
  48. ✓ In Stock 2000-2005 Audi A4 Quattro Oxygen Sensor - Downstream or Downstream Left or Downstream Right (NGK)

    2000-2005 Audi A4 Quattro Oxygen Sensor - Downstream or Downstream Left or Downstream Right (NGK)

    Partslink #: 25605

    B2S2 OE Equivalent Design

    $126.62 View part →
  49. ✓ In Stock 2006-2009 Audi A4 Quattro Oxygen Sensor - Downstream Right (NGK)

    2006-2009 Audi A4 Quattro Oxygen Sensor - Downstream Right (NGK)

    Partslink #: 25083

    From Chassis # 8E-6-035 001; OE MFR: NTK

    $128.67 View part →
  50. ✓ In Stock 2002-2004 Audi A4 Quattro Oxygen Sensor - Downstream Left or Downstream Right (Bosch)

    2002-2004 Audi A4 Quattro Oxygen Sensor - Downstream Left or Downstream Right (Bosch)

    Partslink #: W0133-1903528
    $130.49 View part →
  51. ✓ In Stock 2004-2006 Audi A4 Quattro Oxygen Sensor - Downstream or Downstream Left or Downstream Right (Walker Products)

    2004-2006 Audi A4 Quattro Oxygen Sensor - Downstream or Downstream Left or Downstream Right (Walker Products)

    Partslink #: W0133-1895951
    $131.19 View part →
  52. ✓ In Stock 2005-2014 Audi A4 Quattro Oxygen Sensor - Upstream Left or Upstream Right (Walker Products)

    2005-2014 Audi A4 Quattro Oxygen Sensor - Upstream Left or Upstream Right (Walker Products)

    Partslink #: 350-35031
    $131.98 View part →
  53. ✓ In Stock 1996-1999 Audi A4 Quattro Oxygen Sensor - Downstream Left or Downstream Right (NGK)

    1996-1999 Audi A4 Quattro Oxygen Sensor - Downstream Left or Downstream Right (NGK)

    Partslink #: 25552

    B2S2 OE Equivalent Design

    $133.02 View part →
  54. ✓ In Stock 2005-2009 Audi A4 Quattro Oxygen Sensor - Upstream Left or Upstream Right (Spectra)

    2005-2009 Audi A4 Quattro Oxygen Sensor - Upstream Left or Upstream Right (Spectra)

    Partslink #: OS6083
    $133.41 View part →
  55. ✓ In Stock 2005-2014 Audi A4 Quattro Oxygen Sensor - Upstream Left or Upstream Right (Walker Products)

    2005-2014 Audi A4 Quattro Oxygen Sensor - Upstream Left or Upstream Right (Walker Products)

    Partslink #: 250-25017
    $136.06 View part →
  56. ✓ In Stock 2000-2001 Audi A4 Quattro Oxygen Sensor - Front or Rear Left or Rear Right (Delphi)

    2000-2001 Audi A4 Quattro Oxygen Sensor - Front or Rear Left or Rear Right (Delphi)

    Partslink #: ES20164

    with 1690mm Overall Length

    $155.01 View part →
  57. ✓ In Stock 2000-2001 Audi A4 Quattro Oxygen Sensor - Upstream Left or Upstream Right (NGK)

    2000-2001 Audi A4 Quattro Oxygen Sensor - Upstream Left or Upstream Right (NGK)

    Partslink #: 25589

    B2S1 OE Equivalent Design

    $155.79 View part →
  58. ✓ In Stock 1996-1999 Audi A4 Quattro Oxygen Sensor - Rear Left or Rear Right (Delphi)

    1996-1999 Audi A4 Quattro Oxygen Sensor - Rear Left or Rear Right (Delphi)

    Partslink #: ES10309
    $157.49 View part →
  59. ✓ In Stock 2000-2004 Audi A4 Quattro Oxygen Sensor - Downstream or Downstream Left or Downstream Right or Upstream (Denso)

    2000-2004 Audi A4 Quattro Oxygen Sensor - Downstream or Downstream Left or Downstream Right or Upstream (Denso)

    Partslink #: W0133-2086388
    $160.73 View part →
  60. ✓ In Stock 2000-2001 Audi A4 Quattro Oxygen Sensor - Downstream Left or Downstream Right (NGK)

    2000-2001 Audi A4 Quattro Oxygen Sensor - Downstream Left or Downstream Right (NGK)

    Partslink #: 25597

    B2S2 OE Equivalent Design

    $161.93 View part →
  61. ✓ In Stock 2000-2001 Audi A4 Quattro Oxygen Sensor - Downstream Left or Downstream Right (Denso)

    2000-2001 Audi A4 Quattro Oxygen Sensor - Downstream Left or Downstream Right (Denso)

    Partslink #: W0133-2082575
    $179.75 View part →
  62. ✓ In Stock 2002-2006 Audi A4 Quattro Oxygen Sensor - Downstream Left or Downstream Right (Denso)

    2002-2006 Audi A4 Quattro Oxygen Sensor - Downstream Left or Downstream Right (Denso)

    Partslink #: W0133-2214066
    $184.61 View part →
  63. ✓ In Stock 2000-2001 Audi A4 Quattro Oxygen Sensor - Front or Rear Left or Rear Right (Delphi)

    2000-2001 Audi A4 Quattro Oxygen Sensor - Front or Rear Left or Rear Right (Delphi)

    Partslink #: ES20160

    with 620mm Overall Length

    $198.27 View part →
  64. ✓ In Stock 2000-2001 Audi A4 Quattro Oxygen Sensor - Downstream Left or Downstream Right or Upstream (Bosch)

    2000-2001 Audi A4 Quattro Oxygen Sensor - Downstream Left or Downstream Right or Upstream (Bosch)

    Partslink #: W0133-2282120
    $210.90 View part →
  65. ✓ In Stock 2005-2006 Audi A4 Quattro Oxygen Sensor - Downstream Right (NGK)

    2005-2006 Audi A4 Quattro Oxygen Sensor - Downstream Right (NGK)

    Partslink #: 25174

    B1S2 OE MFR: NTK

    $211.04 View part →
  66. ✓ In Stock 2005-2009 Audi A4 Quattro Oxygen Sensor - Downstream Right (NTK)

    2005-2009 Audi A4 Quattro Oxygen Sensor - Downstream Right (NTK)

    Partslink #: W0133-1893408

    Chas: -035000

    $235.50 View part →
  67. ✓ In Stock 2005-2009 Audi A4 Quattro Oxygen Sensor - Downstream Right (Denso)

    2005-2009 Audi A4 Quattro Oxygen Sensor - Downstream Right (Denso)

    Partslink #: W0133-1983849

    Chas: -035000

    $239.22 View part →
  68. ✓ In Stock 2000-2016 Audi A4 Quattro Oxygen Sensor - Downstream or Upstream (Bosch)

    2000-2016 Audi A4 Quattro Oxygen Sensor - Downstream or Upstream (Bosch)

    Partslink #: 15733
    $69.93 View part →
  69. ✓ In Stock 1996-1997 Audi A4 Quattro Oxygen Sensor - Upstream (Bosch)

    1996-1997 Audi A4 Quattro Oxygen Sensor - Upstream (Bosch)

    Partslink #: 15735
    $72.67 View part →
  70. ✓ In Stock 2009-2016 Audi A4 Quattro Oxygen Sensor - Downstream (Walker Products)

    2009-2016 Audi A4 Quattro Oxygen Sensor - Downstream (Walker Products)

    Partslink #: 350-34223

    B1S2

    $73.73 View part →
  71. ✓ In Stock 1997 Audi A4 Quattro Oxygen Sensor - Upstream (Walker Products)

    1997 Audi A4 Quattro Oxygen Sensor - Upstream (Walker Products)

    Partslink #: 350-34029

    B1S1

    $74.57 View part →
  72. ✓ In Stock 2021-2024 Audi A4 Quattro Oxygen Sensor - Downstream (Walker Products)

    2021-2024 Audi A4 Quattro Oxygen Sensor - Downstream (Walker Products)

    Partslink #: 350-34499
    $74.80 View part →
  73. ✓ In Stock 1998-2000 Audi A4 Quattro Oxygen Sensor - Upstream (Walker Products)

    1998-2000 Audi A4 Quattro Oxygen Sensor - Upstream (Walker Products)

    Partslink #: 350-34205

    B1S1

    $83.62 View part →
  74. ✓ In Stock 2005-2009 Audi A4 Quattro Oxygen Sensor - Downstream (Walker Products)

    2005-2009 Audi A4 Quattro Oxygen Sensor - Downstream (Walker Products)

    Partslink #: 350-34334

    B1S2

    $84.66 View part →
  75. ✓ In Stock 2021-2024 Audi A4 Quattro Oxygen Sensor - Downstream (Walker Products)

    2021-2024 Audi A4 Quattro Oxygen Sensor - Downstream (Walker Products)

    Partslink #: 250-24994
    $85.70 View part →
  76. ✓ In Stock 2005-2009 Audi A4 Quattro Oxygen Sensor - Rear (Facet)

    2005-2009 Audi A4 Quattro Oxygen Sensor - Rear (Facet)

    Partslink #: 10.8245
    $85.84 View part →
  77. ✓ In Stock 2009-2016 Audi A4 Quattro Oxygen Sensor - Rear (Facet)

    2009-2016 Audi A4 Quattro Oxygen Sensor - Rear (Facet)

    Partslink #: 10.8243
    $85.84 View part →
  78. ✓ In Stock 2017-2019 Audi A4 Quattro Oxygen Sensor - Downstream (Walker Products)

    2017-2019 Audi A4 Quattro Oxygen Sensor - Downstream (Walker Products)

    Partslink #: 350-34928

    B1S2

    $86.61 View part →
  79. ✓ In Stock 1996-1997 Audi A4 Quattro Oxygen Sensor - Upstream (Denso)

    1996-1997 Audi A4 Quattro Oxygen Sensor - Upstream (Denso)

    Partslink #: 234-3090

    O.E. Quality Universal Replacement Sensor

    $87.03 View part →
  80. ✓ In Stock 1997-2000 Audi A4 Quattro Oxygen Sensor - Downstream or Upstream (Denso)

    1997-2000 Audi A4 Quattro Oxygen Sensor - Downstream or Upstream (Denso)

    Partslink #: 234-4664

    O.E. Quality Direct Fit Replacement Sensor

    $88.57 View part →
  81. ✓ In Stock 1997 Audi A4 Quattro Oxygen Sensor - Upstream (Walker Products)

    1997 Audi A4 Quattro Oxygen Sensor - Upstream (Walker Products)

    Partslink #: 250-24146

    B1S1

    $89.15 View part →
  82. ✓ In Stock 1997-2000 Audi A4 Quattro Oxygen Sensor - Upstream (Denso)

    1997-2000 Audi A4 Quattro Oxygen Sensor - Upstream (Denso)

    Partslink #: 234-4666

    O.E. Quality Direct Fit Replacement Sensor

    $89.20 View part →
  83. ✓ In Stock 1997-2000 Audi A4 Quattro Oxygen Sensor - Downstream or Upstream (Bosch)

    1997-2000 Audi A4 Quattro Oxygen Sensor - Downstream or Upstream (Bosch)

    Partslink #: 13842
    $90.35 View part →
  84. ✓ In Stock 1998-2000 Audi A4 Quattro Oxygen Sensor - Upstream (Walker Products)

    1998-2000 Audi A4 Quattro Oxygen Sensor - Upstream (Walker Products)

    Partslink #: 250-24417

    B1S1

    $96.84 View part →
  85. ✓ In Stock 2000-2005 Audi A4 Quattro Oxygen Sensor - Downstream or Upstream (Bosch)

    2000-2005 Audi A4 Quattro Oxygen Sensor - Downstream or Upstream (Bosch)

    Partslink #: 16978
    $97.23 View part →
  86. ✓ In Stock 2009-2016 Audi A4 Quattro Oxygen Sensor - Downstream (Walker Products)

    2009-2016 Audi A4 Quattro Oxygen Sensor - Downstream (Walker Products)

    Partslink #: 250-24672

    B1S2

    $97.85 View part →
  87. ✓ In Stock 2019-2020 Audi A4 Quattro Oxygen Sensor - Downstream (Walker Products)

    2019-2020 Audi A4 Quattro Oxygen Sensor - Downstream (Walker Products)

    Partslink #: 350-34656

    B1S2

    $98.08 View part →
  88. ✓ In Stock 2005-2009 Audi A4 Quattro Oxygen Sensor - Downstream (Walker Products)

    2005-2009 Audi A4 Quattro Oxygen Sensor - Downstream (Walker Products)

    Partslink #: 250-24717

    B1S2

    $100.49 View part →
  89. ✓ In Stock 1996-1999 Audi A4 Quattro Oxygen Sensor - Downstream (Denso)

    1996-1999 Audi A4 Quattro Oxygen Sensor - Downstream (Denso)

    Partslink #: 234-4661

    O.E. Quality Direct Fit Replacement Sensor

    $100.72 View part →
  90. ✓ In Stock 2005-2006 Audi A4 Quattro Oxygen Sensor - Downstream (Bosch)

    2005-2006 Audi A4 Quattro Oxygen Sensor - Downstream (Bosch)

    Partslink #: 16034
    $103.12 View part →
  91. ✓ In Stock 1997-2000 Audi A4 Quattro Oxygen Sensor - Upstream (Denso)

    1997-2000 Audi A4 Quattro Oxygen Sensor - Upstream (Denso)

    Partslink #: W0133-2092622
    $104.78 View part →
  92. ✓ In Stock 2000-2005 Audi A4 Quattro Oxygen Sensor - Downstream (Autopart International)

    2000-2005 Audi A4 Quattro Oxygen Sensor - Downstream (Autopart International)

    Partslink #: W0133-3397890
    $106.84 View part →
  93. ✓ In Stock 1996-2000 Audi A4 Quattro Oxygen Sensor - Downstream or Upstream (Denso)

    1996-2000 Audi A4 Quattro Oxygen Sensor - Downstream or Upstream (Denso)

    Partslink #: 234-4201

    O.E. Quality Universal Replacement Sensor

    $107.68 View part →
  94. ✓ In Stock 1997-1998 Audi A4 Quattro Oxygen Sensor - Upstream (Bosch)

    1997-1998 Audi A4 Quattro Oxygen Sensor - Upstream (Bosch)

    Partslink #: 13740

    To Chassis # 8D-W-007 799

    $108.21 View part →
  95. ✓ In Stock 1997-1998 Audi A4 Quattro Oxygen Sensor - Front (Vemo)

    1997-1998 Audi A4 Quattro Oxygen Sensor - Front (Vemo)

    Partslink #: V10-76-0077

    Grade: Aftermarket Description: 4 Cables / 1200 mm

    $109.60 View part →
  96. ✓ In Stock 2000-2005 Audi A4 Quattro Oxygen Sensor - Downstream or Upstream (Denso)

    2000-2005 Audi A4 Quattro Oxygen Sensor - Downstream or Upstream (Denso)

    Partslink #: 234-4874

    O.E. Quality Direct Fit Replacement Sensor

    $109.83 View part →
  97. ✓ In Stock 1998-2000 Audi A4 Quattro Oxygen Sensor - Upstream (Bosch)

    1998-2000 Audi A4 Quattro Oxygen Sensor - Upstream (Bosch)

    Partslink #: 15160

    From Chassis # 8D-W-007 800

    $114.19 View part →
  98. ✓ In Stock 2011-2016 Audi A4 Quattro Oxygen Sensor - Downstream (Denso)

    2011-2016 Audi A4 Quattro Oxygen Sensor - Downstream (Denso)

    Partslink #: 234-4754

    O.E. Quality Direct Fit Replacement Sensor

    $119.91 View part →
  99. ✓ In Stock 2005-2009 Audi A4 Quattro Oxygen Sensor - Upstream (Walker Products)

    2005-2009 Audi A4 Quattro Oxygen Sensor - Upstream (Walker Products)

    Partslink #: 350-35064

    B1S1

    $121.41 View part →
  100. ✓ In Stock 2017-2019 Audi A4 Quattro Oxygen Sensor - Downstream (Walker Products)

    2017-2019 Audi A4 Quattro Oxygen Sensor - Downstream (Walker Products)

    Partslink #: 250-241143

    B1S2

    $121.55 View part →
  101. ✓ In Stock 2009 Audi A4 Quattro Oxygen Sensor - Downstream (Denso)

    2009 Audi A4 Quattro Oxygen Sensor - Downstream (Denso)

    Partslink #: 234-4120

    O.E. Quality Direct Fit Replacement Sensor

    $122.11 View part →
  102. ✓ In Stock 1997-1998 Audi A4 Quattro Oxygen Sensor - Front (Delphi)

    1997-1998 Audi A4 Quattro Oxygen Sensor - Front (Delphi)

    Partslink #: ES10403
    $125.72 View part →
  103. ✓ In Stock 2019 Audi A4 Quattro Oxygen Sensor - Upstream (Walker Products)

    2019 Audi A4 Quattro Oxygen Sensor - Upstream (Walker Products)

    Partslink #: 350-35132

    B1S1

    $126.36 View part →
  104. ✓ In Stock 2009-2016 Audi A4 Quattro Oxygen Sensor - Upstream (Walker Products)

    2009-2016 Audi A4 Quattro Oxygen Sensor - Upstream (Walker Products)

    Partslink #: 350-35067

    B1S1

    $126.43 View part →
  105. ✓ In Stock 2009-2016 Audi A4 Quattro Oxygen Sensor - Upstream (Walker Products)

    2009-2016 Audi A4 Quattro Oxygen Sensor - Upstream (Walker Products)

    Partslink #: 250-25040

    B1S1

    $126.43 View part →
  106. ✓ In Stock 2017-2020 Audi A4 Quattro Oxygen Sensor - Upstream (Walker Products)

    2017-2020 Audi A4 Quattro Oxygen Sensor - Upstream (Walker Products)

    Partslink #: 350-35092

    B1S1

    $126.62 View part →
  107. ✓ In Stock 2005-2009 Audi A4 Quattro Oxygen Sensor - Downstream (Bosch)

    2005-2009 Audi A4 Quattro Oxygen Sensor - Downstream (Bosch)

    Partslink #: 16986
    $127.92 View part →
  108. ✓ In Stock 1999-2000 Audi A4 Quattro Oxygen Sensor - Upstream (Bosch)

    1999-2000 Audi A4 Quattro Oxygen Sensor - Upstream (Bosch)

    Partslink #: W0133-1608587
    $128.34 View part →
  109. ✓ In Stock 2011-2016 Audi A4 Quattro Oxygen Sensor - Downstream (NGK)

    2011-2016 Audi A4 Quattro Oxygen Sensor - Downstream (NGK)

    Partslink #: 25657

    B1S2 OE Equivalent Design

    $130.80 View part →
  110. ✓ In Stock 2000-2001 Audi A4 Quattro Oxygen Sensor - Downstream or Upstream (Bosch)

    2000-2001 Audi A4 Quattro Oxygen Sensor - Downstream or Upstream (Bosch)

    Partslink #: 16073
    $131.75 View part →
  111. ✓ In Stock 2009-2010 Audi A4 Quattro Oxygen Sensor - Downstream (NGK)

    2009-2010 Audi A4 Quattro Oxygen Sensor - Downstream (NGK)

    Partslink #: 25729

    B1S2 OE Equivalent Design

    $131.92 View part →
  112. ✓ In Stock 2001-2005 Audi A4 Quattro Oxygen Sensor - Upstream (Walker Products)

    2001-2005 Audi A4 Quattro Oxygen Sensor - Upstream (Walker Products)

    Partslink #: 250-25008

    B1S1

    $132.53 View part →
  113. ✓ In Stock 2001-2005 Audi A4 Quattro Oxygen Sensor - Upstream (Walker Products)

    2001-2005 Audi A4 Quattro Oxygen Sensor - Upstream (Walker Products)

    Partslink #: 350-35035

    B1S1

    $132.53 View part →
  114. ✓ In Stock 2017-2020 Audi A4 Quattro Oxygen Sensor - Upstream (Bosch)

    2017-2020 Audi A4 Quattro Oxygen Sensor - Upstream (Bosch)

    Partslink #: 17100
    $132.84 View part →
  115. ✓ In Stock 1997-2000 Audi A4 Quattro Oxygen Sensor - Front or Rear (Delphi)

    1997-2000 Audi A4 Quattro Oxygen Sensor - Front or Rear (Delphi)

    Partslink #: ES10568
    $134.11 View part →
  116. ✓ In Stock 2005-2009 Audi A4 Quattro Oxygen Sensor - Downstream (Denso)

    2005-2009 Audi A4 Quattro Oxygen Sensor - Downstream (Denso)

    Partslink #: 234-4829

    O.E. Quality Direct Fit Replacement Sensor

    $134.42 View part →
  117. ✓ In Stock 2005-2009 Audi A4 Quattro Oxygen Sensor - Downstream (Walker Products)

    2005-2009 Audi A4 Quattro Oxygen Sensor - Downstream (Walker Products)

    Partslink #: W0133-1893410
    $136.11 View part →
  118. ✓ In Stock 1997-1998 Audi A4 Quattro Oxygen Sensor - Upstream (Bosch)

    1997-1998 Audi A4 Quattro Oxygen Sensor - Upstream (Bosch)

    Partslink #: W0133-1609145
    $136.46 View part →
  119. ✓ In Stock 2001-2005 Audi A4 Quattro Oxygen Sensor - Front (Hella)

    2001-2005 Audi A4 Quattro Oxygen Sensor - Front (Hella)

    Partslink #: 009166821

    6-Pin Connector - Before Catalytic Converter - Cable: 1500mm

    $137.33 View part →
  120. ✓ In Stock 2000 Audi A4 Quattro Oxygen Sensor - Upstream (NGK)

    2000 Audi A4 Quattro Oxygen Sensor - Upstream (NGK)

    Partslink #: 25705

    B1S1 OE Equivalent Design

    $138.21 View part →
  121. ✓ In Stock 2024 Audi A4 Quattro Oxygen Sensor - Upstream (Walker Products)

    2024 Audi A4 Quattro Oxygen Sensor - Upstream (Walker Products)

    Partslink #: 250-25193
    $138.34 View part →
  122. ✓ In Stock 2001-2005 Audi A4 Quattro Oxygen Sensor - Front (Delphi)

    2001-2005 Audi A4 Quattro Oxygen Sensor - Front (Delphi)

    Partslink #: ES10921

    with 950mm Overall Length

    $140.41 View part →
  123. ✓ In Stock 2017-2020 Audi A4 Quattro Oxygen Sensor - Upstream (Walker Products)

    2017-2020 Audi A4 Quattro Oxygen Sensor - Upstream (Walker Products)

    Partslink #: 250-25113

    B1S1

    $141.00 View part →
  124. ✓ In Stock 2005-2009 Audi A4 Quattro Oxygen Sensor - Upstream (Walker Products)

    2005-2009 Audi A4 Quattro Oxygen Sensor - Upstream (Walker Products)

    Partslink #: 250-25037

    B1S1

    $141.03 View part →
  125. ✓ In Stock 2009 Audi A4 Quattro Oxygen Sensor - Downstream (Bosch)

    2009 Audi A4 Quattro Oxygen Sensor - Downstream (Bosch)

    Partslink #: 18026
    $141.25 View part →
  126. ✓ In Stock 2009-2016 Audi A4 Quattro Oxygen Sensor - Downstream (Bosch)

    2009-2016 Audi A4 Quattro Oxygen Sensor - Downstream (Bosch)

    Partslink #: 16002
    $143.30 View part →
  127. ✓ In Stock 1996-1997 Audi A4 Quattro Oxygen Sensor - Upstream (Bosch)

    1996-1997 Audi A4 Quattro Oxygen Sensor - Upstream (Bosch)

    Partslink #: 13524
    $143.36 View part →
  128. ✓ In Stock 2019 Audi A4 Quattro Oxygen Sensor - Upstream (Walker Products)

    2019 Audi A4 Quattro Oxygen Sensor - Upstream (Walker Products)

    Partslink #: 250-25120

    B1S1

    $143.39 View part →
  129. ✓ In Stock 1998-2000 Audi A4 Quattro Oxygen Sensor - Upstream (NGK)

    1998-2000 Audi A4 Quattro Oxygen Sensor - Upstream (NGK)

    Partslink #: 25644

    From Chassis # 8D-W-007 800; B1S1 OE Equivalent Design

    $149.73 View part →
  130. ✓ In Stock 2001-2005 Audi A4 Quattro Oxygen Sensor - Upstream (Bosch)

    2001-2005 Audi A4 Quattro Oxygen Sensor - Upstream (Bosch)

    Partslink #: 17351
    $151.82 View part →
  131. ✓ In Stock 2000-2005 Audi A4 Quattro Oxygen Sensor - Downstream (Bosch)

    2000-2005 Audi A4 Quattro Oxygen Sensor - Downstream (Bosch)

    Partslink #: W0133-1915334
    $153.30 View part →
  132. ✓ In Stock 2005-2009 Audi A4 Quattro Oxygen Sensor - Downstream (NGK)

    2005-2009 Audi A4 Quattro Oxygen Sensor - Downstream (NGK)

    Partslink #: 25656

    B1S2 OE Equivalent Design

    $153.61 View part →
  133. ✓ In Stock 2017-2022 Audi A4 Quattro Oxygen Sensor - Downstream (Denso)

    2017-2022 Audi A4 Quattro Oxygen Sensor - Downstream (Denso)

    Partslink #: 234-8062

    O.E. Quality Direct Fit Replacement Sensor

    $155.28 View part →
  134. ✓ In Stock 2009-2016 Audi A4 Quattro Oxygen Sensor - Downstream (Denso)

    2009-2016 Audi A4 Quattro Oxygen Sensor - Downstream (Denso)

    Partslink #: W0133-2204528
    $159.00 View part →
  135. ✓ In Stock 1997-2000 Audi A4 Quattro Oxygen Sensor - Downstream or Upstream (Bosch)

    1997-2000 Audi A4 Quattro Oxygen Sensor - Downstream or Upstream (Bosch)

    Partslink #: W0133-1607792
    $165.09 View part →
  136. ✓ In Stock 2009 Audi A4 Quattro Oxygen Sensor - Downstream (Denso)

    2009 Audi A4 Quattro Oxygen Sensor - Downstream (Denso)

    Partslink #: W0133-2097116
    $166.94 View part →
  137. ✓ In Stock 2005-2016 Audi A4 Quattro Oxygen Sensor - Rear (Delphi)

    2005-2016 Audi A4 Quattro Oxygen Sensor - Rear (Delphi)

    Partslink #: ES20365

    33in Length

    $167.75 View part →
  138. ✓ In Stock 2005-2009 Audi A4 Quattro Oxygen Sensor - Rear (Delphi)

    2005-2009 Audi A4 Quattro Oxygen Sensor - Rear (Delphi)

    Partslink #: ES20374

    29in Length

    $169.95 View part →
  139. ✓ In Stock 1999-2000 Audi A4 Quattro Oxygen Sensor - Upstream (Bosch)

    1999-2000 Audi A4 Quattro Oxygen Sensor - Upstream (Bosch)

    Partslink #: W0133-1607426
    $169.97 View part →
  140. ✓ In Stock 1997-1998 Audi A4 Quattro Oxygen Sensor - Upstream (Bosch)

    1997-1998 Audi A4 Quattro Oxygen Sensor - Upstream (Bosch)

    Partslink #: W0133-1609028
    $173.37 View part →
  141. ✓ In Stock 2000-2005 Audi A4 Quattro Oxygen Sensor - Downstream (Denso)

    2000-2005 Audi A4 Quattro Oxygen Sensor - Downstream (Denso)

    Partslink #: W0133-1888174
    $174.38 View part →
  142. ✓ In Stock 2009 Audi A4 Quattro Oxygen Sensor - Downstream (Bosch)

    2009 Audi A4 Quattro Oxygen Sensor - Downstream (Bosch)

    Partslink #: W0133-1974831
    $177.27 View part →
  143. ✓ In Stock 2002-2006 Audi A4 Quattro Oxygen Sensor - Front (Delphi)

    2002-2006 Audi A4 Quattro Oxygen Sensor - Front (Delphi)

    Partslink #: ES10920
    $182.28 View part →
  144. ✓ In Stock 2005-2009 Audi A4 Quattro Oxygen Sensor - Front (Delphi)

    2005-2009 Audi A4 Quattro Oxygen Sensor - Front (Delphi)

    Partslink #: ES11079
    $190.73 View part →
  145. ✓ In Stock 2002-2006 Audi A4 Quattro Oxygen Sensor - Upstream (Bosch)

    2002-2006 Audi A4 Quattro Oxygen Sensor - Upstream (Bosch)

    Partslink #: 17353
    $191.57 View part →
  146. ✓ In Stock 2001-2005 Audi A4 Quattro Oxygen Sensor - Upstream (Walker Products)

    2001-2005 Audi A4 Quattro Oxygen Sensor - Upstream (Walker Products)

    Partslink #: W0133-1896014
    $191.82 View part →
  147. ✓ In Stock 2005-2009 Audi A4 Quattro Oxygen Sensor - Upstream (Bosch)

    2005-2009 Audi A4 Quattro Oxygen Sensor - Upstream (Bosch)

    Partslink #: 17480
    $197.52 View part →
  148. ✓ In Stock 2009-2016 Audi A4 Quattro Oxygen Sensor - Upstream (Bosch)

    2009-2016 Audi A4 Quattro Oxygen Sensor - Upstream (Bosch)

    Partslink #: 17178
    $197.96 View part →
  149. ✓ In Stock 2020-2023 Audi A4 Quattro Oxygen Sensor - Downstream (Denso)

    2020-2023 Audi A4 Quattro Oxygen Sensor - Downstream (Denso)

    Partslink #: 234-8064

    O.E. Quality Direct Fit Replacement Sensor

    $203.10 View part →
  150. ✓ In Stock 2009-2016 Audi A4 Quattro Oxygen Sensor - Upstream (Bosch)

    2009-2016 Audi A4 Quattro Oxygen Sensor - Upstream (Bosch)

    Partslink #: W0133-2045622
    $208.89 View part →
  151. ✓ In Stock 2001-2005 Audi A4 Quattro Oxygen Sensor - Upstream (Bosch)

    2001-2005 Audi A4 Quattro Oxygen Sensor - Upstream (Bosch)

    Partslink #: W0133-1895038
    $215.33 View part →
  152. ✓ In Stock 2005-2009 Audi A4 Quattro Oxygen Sensor - Upstream (Bosch)

    2005-2009 Audi A4 Quattro Oxygen Sensor - Upstream (Bosch)

    Partslink #: 18089
    $216.29 View part →
  153. ✓ In Stock 2002-2006 Audi A4 Quattro Oxygen Sensor - Upstream (Bosch)

    2002-2006 Audi A4 Quattro Oxygen Sensor - Upstream (Bosch)

    Partslink #: W0133-1932745
    $216.42 View part →
  154. ✓ In Stock 2005-2009 Audi A4 Quattro Oxygen Sensor - Front (Vemo)

    2005-2009 Audi A4 Quattro Oxygen Sensor - Front (Vemo)

    Partslink #: V10-76-0107

    Grade: Aftermarket

    $217.29 View part →
  155. ✓ In Stock 2009-2016 Audi A4 Quattro Oxygen Sensor - Upstream (Denso)

    2009-2016 Audi A4 Quattro Oxygen Sensor - Upstream (Denso)

    Partslink #: W0133-2097152
    $218.25 View part →
  156. ✓ In Stock 2017-2020 Audi A4 Quattro Oxygen Sensor - Downstream (NGK)

    2017-2020 Audi A4 Quattro Oxygen Sensor - Downstream (NGK)

    Partslink #: 25764

    B1S2 OE Equivalent Design

    $218.63 View part →
  157. ✓ In Stock 2005-2009 Audi A4 Quattro Oxygen Sensor - Downstream (Bosch)

    2005-2009 Audi A4 Quattro Oxygen Sensor - Downstream (Bosch)

    Partslink #: W0133-1916730
    $219.50 View part →
  158. ✓ In Stock 2002-2006 Audi A4 Quattro Oxygen Sensor - Upstream (Denso)

    2002-2006 Audi A4 Quattro Oxygen Sensor - Upstream (Denso)

    Partslink #: W0133-2094472
    $232.56 View part →
  159. ✓ In Stock 2005-2009 Audi A4 Quattro Oxygen Sensor - Upstream (Bosch)

    2005-2009 Audi A4 Quattro Oxygen Sensor - Upstream (Bosch)

    Partslink #: W0133-1917838
    $256.01 View part →
  160. ✓ In Stock 2005-2009 Audi A4 Quattro Oxygen Sensor - Upstream (Denso)

    2005-2009 Audi A4 Quattro Oxygen Sensor - Upstream (Denso)

    Partslink #: W0133-2186480
    $275.33 View part →
  161. ✓ In Stock 2001-2005 Audi A4 Quattro Oxygen Sensor - Upstream (Denso)

    2001-2005 Audi A4 Quattro Oxygen Sensor - Upstream (Denso)

    Partslink #: W0133-1887954
    $290.03 View part →
  162. ✓ In Stock 2005-2009 Audi A4 Quattro Oxygen Sensor - Upstream (Denso)

    2005-2009 Audi A4 Quattro Oxygen Sensor - Upstream (Denso)

    Partslink #: W0133-1888175
    $346.65 View part →

What buyers are saying.

★★★★★ 4.9 1,451 verified reviews

Racing Partner Videos

Racing partner video
Racing partner video
Racing partner video
Racing partner video

Oxygen Sensor Compatibility for Audi A4 Quattro

Browse our selection of quality oxygen sensor parts designed specifically for your Audi A4 Quattro. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.

Available Trims

Avant · Base · Cabriolet · Confort · DTM · Elite · Komfort · Le Mans · Luxury · Premium · Premium Plus · Prestige · Progressiv · S Line · S Line Sport · Select · Sport · Technik · Trendy · Trendy Plus · Ultra sport · Vangard

Body Types

Convertible · Sedan · Wagon

Engine Options

L4 1.8L · L4 2.0L · V6 2.8L · V6 3.0L · V6 3.2L

Transmissions

Automatic · Automatic Dual Clutch · Manual

Added to cart · Part