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.

Mazda 6 Oxygen Sensor Replacement

1
SELECT Year
  1. ✓ In Stock 2003-2008 Mazda 6 Oxygen Sensor - Upstream Rear (Spectra)

    2003-2008 Mazda 6 Oxygen Sensor - Upstream Rear (Spectra)

    Partslink #: OS5040
    $24.56 View part →
  2. ✓ In Stock 2006-2008 Mazda 6 Oxygen Sensor - Downstream (Spectra)

    2006-2008 Mazda 6 Oxygen Sensor - Downstream (Spectra)

    Partslink #: OS5506

    Located After Secondary Catalytic Converter; w/ California Emissions

    $25.34 View part →
  3. ✓ In Stock 2003-2005 Mazda 6 Oxygen Sensor - Upstream (Spectra)

    2003-2005 Mazda 6 Oxygen Sensor - Upstream (Spectra)

    Partslink #: OS6254
    $25.54 View part →
  4. ✓ In Stock 2003-2005 Mazda 6 Oxygen Sensor - Downstream Rear (Spectra)

    2003-2005 Mazda 6 Oxygen Sensor - Downstream Rear (Spectra)

    Partslink #: OS6248
    $25.67 View part →
  5. ✓ In Stock 2003-2005 Mazda 6 Oxygen Sensor - Downstream (Spectra)

    2003-2005 Mazda 6 Oxygen Sensor - Downstream (Spectra)

    Partslink #: OS6263
    $27.24 View part →
  6. ✓ In Stock 2009-2010 Mazda 6 Oxygen Sensor - Downstream Front or Downstream Rear (Walker Products)

    2009-2010 Mazda 6 Oxygen Sensor - Downstream Front or Downstream Rear (Walker Products)

    Partslink #: 350-34414
    $46.78 View part →
  7. ✓ In Stock 2009-2010 Mazda 6 Oxygen Sensor - Downstream (Denso)

    2009-2010 Mazda 6 Oxygen Sensor - Downstream (Denso)

    Partslink #: 234-4610

    O.E. Quality Direct Fit Replacement Sensor

    $52.07 View part →
  8. ✓ In Stock 2003-2008 Mazda 6 Oxygen Sensor - Upstream Rear (Walker Products)

    2003-2008 Mazda 6 Oxygen Sensor - Upstream Rear (Walker Products)

    Partslink #: 350-34026
    $53.66 View part →
  9. ✓ In Stock 2011-2013 Mazda 6 Oxygen Sensor - Downstream (Walker Products)

    2011-2013 Mazda 6 Oxygen Sensor - Downstream (Walker Products)

    Partslink #: 350-34361
    $56.28 View part →
  10. ✓ In Stock 2009-2010 Mazda 6 Oxygen Sensor - Downstream (Bosch)

    2009-2010 Mazda 6 Oxygen Sensor - Downstream (Bosch)

    Partslink #: 15718

    Alternative Fit 1

    $57.04 View part →
  11. ✓ In Stock 2009-2010 Mazda 6 Oxygen Sensor - Downstream (Bosch)

    2009-2010 Mazda 6 Oxygen Sensor - Downstream (Bosch)

    Partslink #: 15717

    Exact Fit

    $60.07 View part →
  12. ✓ In Stock 2009-2010 Mazda 6 Oxygen Sensor - Downstream Front or Downstream Rear (Spectra)

    2009-2010 Mazda 6 Oxygen Sensor - Downstream Front or Downstream Rear (Spectra)

    Partslink #: OS6135
    $61.70 View part →
  13. ✓ In Stock 2003-2008 Mazda 6 Oxygen Sensor - Downstream or Downstream Rear (Walker Products)

    2003-2008 Mazda 6 Oxygen Sensor - Downstream or Downstream Rear (Walker Products)

    Partslink #: 350-34565

    B1S2

    $62.29 View part →
  14. ✓ In Stock 2006-2008 Mazda 6 Oxygen Sensor - Downstream Rear (Spectra)

    2006-2008 Mazda 6 Oxygen Sensor - Downstream Rear (Spectra)

    Partslink #: OS6163
    $62.31 View part →
  15. ✓ In Stock 2009-2010 Mazda 6 Oxygen Sensor - Downstream Front or Downstream Rear (Walker Products)

    2009-2010 Mazda 6 Oxygen Sensor - Downstream Front or Downstream Rear (Walker Products)

    Partslink #: 250-24001
    $63.10 View part →
  16. ✓ In Stock 2011-2013 Mazda 6 Oxygen Sensor - Downstream (Denso)

    2011-2013 Mazda 6 Oxygen Sensor - Downstream (Denso)

    Partslink #: 234-4489

    O.E. Quality Direct Fit Replacement Sensor

    $63.14 View part →
  17. ✓ In Stock 2003-2005 Mazda 6 Oxygen Sensor - Upstream (Walker Products)

    2003-2005 Mazda 6 Oxygen Sensor - Upstream (Walker Products)

    Partslink #: 350-34154

    B1S1

    $65.42 View part →
  18. ✓ In Stock 2009-2010 Mazda 6 Oxygen Sensor - Downstream Left or Downstream Right (NGK)

    2009-2010 Mazda 6 Oxygen Sensor - Downstream Left or Downstream Right (NGK)

    Partslink #: 22130

    B2S2 OE MFR: NTK

    $65.47 View part →
  19. ✓ In Stock 2011-2013 Mazda 6 Oxygen Sensor - Downstream Left or Downstream Right (NGK)

    2011-2013 Mazda 6 Oxygen Sensor - Downstream Left or Downstream Right (NGK)

    Partslink #: 22134

    B2S2 OE MFR: NTK

    $73.68 View part →
  20. ✓ In Stock 2003-2008 Mazda 6 Oxygen Sensor - Front Right (Delphi)

    2003-2008 Mazda 6 Oxygen Sensor - Front Right (Delphi)

    Partslink #: ES10856
    $86.28 View part →
  21. ✓ In Stock 2006-2008 Mazda 6 Oxygen Sensor - Downstream Right (Denso)

    2006-2008 Mazda 6 Oxygen Sensor - Downstream Right (Denso)

    Partslink #: 234-8057

    O.E. Quality Direct Fit Replacement Sensor

    $96.79 View part →
  22. ✓ In Stock 2003-2005 Mazda 6 Oxygen Sensor - Rear Right (Delphi)

    2003-2005 Mazda 6 Oxygen Sensor - Rear Right (Delphi)

    Partslink #: ES20186
    $116.64 View part →
  23. ✓ In Stock 2003-2008 Mazda 6 Oxygen Sensor - Rear or Rear Right (Delphi)

    2003-2008 Mazda 6 Oxygen Sensor - Rear or Rear Right (Delphi)

    Partslink #: ES20375
    $137.05 View part →
  24. ✓ In Stock 2006 Mazda 6 Oxygen Sensor - Downstream Right (Vemo)

    2006 Mazda 6 Oxygen Sensor - Downstream Right (Vemo)

    Partslink #: V10-76-0069

    Grade: Aftermarket Description: 4 Cables / 300 mm To 05/26/2006

    $140.43 View part →
  25. ✓ In Stock 2003-2005 Mazda 6 Oxygen Sensor - Downstream Rear (Walker Products)

    2003-2005 Mazda 6 Oxygen Sensor - Downstream Rear (Walker Products)

    Partslink #: 350-34510
    $65.84 View part →
  26. ✓ In Stock 2006-2008 Mazda 6 Oxygen Sensor - Downstream Front (Walker Products)

    2006-2008 Mazda 6 Oxygen Sensor - Downstream Front (Walker Products)

    Partslink #: 350-34546
    $68.78 View part →
  27. ✓ In Stock 2006-2008 Mazda 6 Oxygen Sensor - Downstream (Spectra)

    2006-2008 Mazda 6 Oxygen Sensor - Downstream (Spectra)

    Partslink #: OS6053

    w/ Federal Emissions; w/ California Emissions

    $68.97 View part →
  28. ✓ In Stock 2005 Mazda 6 Oxygen Sensor - Downstream (Bosch)

    2005 Mazda 6 Oxygen Sensor - Downstream (Bosch)

    Partslink #: 15733

    Located After Primary Converter with California Emissions System

    $69.93 View part →
  29. ✓ In Stock 2009-2010 Mazda 6 Oxygen Sensor - Downstream (Bosch)

    2009-2010 Mazda 6 Oxygen Sensor - Downstream (Bosch)

    Partslink #: 15729
    $70.21 View part →
  30. ✓ In Stock 2005-2008 Mazda 6 Oxygen Sensor - Downstream or Intermediate (Spectra)

    2005-2008 Mazda 6 Oxygen Sensor - Downstream or Intermediate (Spectra)

    Partslink #: OS6143

    w/ California Emissions; Bank 1 Sensor 2; Located After Primary Catalyst;

    $70.26 View part →
  31. ✓ In Stock 2014-2021 Mazda 6 Oxygen Sensor - Downstream (Walker Products)

    2014-2021 Mazda 6 Oxygen Sensor - Downstream (Walker Products)

    Partslink #: 350-34693

    B1S2

    $70.41 View part →
  32. ✓ In Stock 2003-2008 Mazda 6 Oxygen Sensor - Upstream Rear (NGK)

    2003-2008 Mazda 6 Oxygen Sensor - Upstream Rear (NGK)

    Partslink #: 22118

    B1S1 OE MFR: NTK

    $71.42 View part →
  33. ✓ In Stock 2003-2008 Mazda 6 Oxygen Sensor - Downstream or Downstream Rear (Walker Products)

    2003-2008 Mazda 6 Oxygen Sensor - Downstream or Downstream Rear (Walker Products)

    Partslink #: 250-24376

    B1S2

    $71.61 View part →
  34. ✓ In Stock 2003-2008 Mazda 6 Oxygen Sensor - Upstream Rear (Walker Products)

    2003-2008 Mazda 6 Oxygen Sensor - Upstream Rear (Walker Products)

    Partslink #: 250-24384
    $71.94 View part →
  35. ✓ In Stock 2006-2008 Mazda 6 Oxygen Sensor - Downstream (Walker Products)

    2006-2008 Mazda 6 Oxygen Sensor - Downstream (Walker Products)

    Partslink #: 350-34570

    B1S2

    $72.21 View part →
  36. ✓ In Stock 2003-2021 Mazda 6 Oxygen Sensor - Downstream or Downstream Front or Downstream Rear (Bosch)

    2003-2021 Mazda 6 Oxygen Sensor - Downstream or Downstream Front or Downstream Rear (Bosch)

    Partslink #: 15741
    $72.26 View part →
  37. ✓ In Stock 2003-2010 Mazda 6 Oxygen Sensor - Downstream or Downstream Rear (Denso)

    2003-2010 Mazda 6 Oxygen Sensor - Downstream or Downstream Rear (Denso)

    Partslink #: 234-4210

    O.E. Quality Universal Replacement Sensor

    $72.54 View part →
  38. ✓ In Stock 2005-2008 Mazda 6 Oxygen Sensor - Center (Walker Products)

    2005-2008 Mazda 6 Oxygen Sensor - Center (Walker Products)

    Partslink #: 350-34265

    Calif-ESV

    $72.58 View part →
  39. ✓ In Stock 2003-2005 Mazda 6 Oxygen Sensor - Upstream (NGK)

    2003-2005 Mazda 6 Oxygen Sensor - Upstream (NGK)

    Partslink #: 22116

    B1S1 OE MFR: NTK

    $72.68 View part →
  40. ✓ In Stock 2005-2008 Mazda 6 Oxygen Sensor - Downstream (Denso)

    2005-2008 Mazda 6 Oxygen Sensor - Downstream (Denso)

    Partslink #: 234-4209

    Calif. O.E. Quality Universal Replacement Sensor

    $72.93 View part →
  41. ✓ In Stock 2003-2005 Mazda 6 Oxygen Sensor - Downstream Rear (Walker Products)

    2003-2005 Mazda 6 Oxygen Sensor - Downstream Rear (Walker Products)

    Partslink #: 250-24086
    $73.20 View part →
  42. ✓ In Stock 2003-2005 Mazda 6 Oxygen Sensor - Upstream (Walker Products)

    2003-2005 Mazda 6 Oxygen Sensor - Upstream (Walker Products)

    Partslink #: 250-24475

    B1S1

    $73.71 View part →
  43. ✓ In Stock 2003-2005 Mazda 6 Oxygen Sensor - Upstream (Denso)

    2003-2005 Mazda 6 Oxygen Sensor - Upstream (Denso)

    Partslink #: 234-4399

    O.E. Quality Direct Fit Replacement Sensor

    $73.93 View part →
  44. ✓ In Stock 2003-2005 Mazda 6 Oxygen Sensor - Downstream Front (Walker Products)

    2003-2005 Mazda 6 Oxygen Sensor - Downstream Front (Walker Products)

    Partslink #: 350-34204
    $74.55 View part →
  45. ✓ In Stock 2009-2013 Mazda 6 Oxygen Sensor - Downstream (Denso)

    2009-2013 Mazda 6 Oxygen Sensor - Downstream (Denso)

    Partslink #: W0133-1937808
    $75.02 View part →
  46. ✓ In Stock 2005 Mazda 6 Oxygen Sensor - Downstream (Walker Products)

    2005 Mazda 6 Oxygen Sensor - Downstream (Walker Products)

    Partslink #: 350-34140

    Calif-ESV B1S2

    $75.44 View part →
  47. ✓ In Stock 2006-2008 Mazda 6 Oxygen Sensor - Downstream (Walker Products)

    2006-2008 Mazda 6 Oxygen Sensor - Downstream (Walker Products)

    Partslink #: 250-24693

    B1S2

    $76.13 View part →
  48. ✓ In Stock 2009-2013 Mazda 6 Oxygen Sensor - Downstream (Walker Products)

    2009-2013 Mazda 6 Oxygen Sensor - Downstream (Walker Products)

    Partslink #: 350-34520

    B1S2

    $76.39 View part →
  49. ✓ In Stock 2006-2008 Mazda 6 Oxygen Sensor - Downstream (Walker Products)

    2006-2008 Mazda 6 Oxygen Sensor - Downstream (Walker Products)

    Partslink #: 350-34246

    Calif-ESV B1S3

    $76.49 View part →
  50. ✓ In Stock 2011-2013 Mazda 6 Oxygen Sensor - Downstream (Walker Products)

    2011-2013 Mazda 6 Oxygen Sensor - Downstream (Walker Products)

    Partslink #: 250-24983
    $78.23 View part →
  51. ✓ In Stock 2003-2005 Mazda 6 Oxygen Sensor - Downstream Rear (Denso)

    2003-2005 Mazda 6 Oxygen Sensor - Downstream Rear (Denso)

    Partslink #: 234-4040

    O.E. Quality Direct Fit Replacement Sensor

    $78.42 View part →
  52. ✓ In Stock 2003-2008 Mazda 6 Oxygen Sensor - Upstream Rear (Denso)

    2003-2008 Mazda 6 Oxygen Sensor - Upstream Rear (Denso)

    Partslink #: 234-4190

    O.E. Quality Direct Fit Replacement Sensor

    $79.12 View part →
  53. ✓ In Stock 2003-2005 Mazda 6 Oxygen Sensor - Downstream Rear (NGK)

    2003-2005 Mazda 6 Oxygen Sensor - Downstream Rear (NGK)

    Partslink #: 22097

    B1S2 OE MFR: NTK

    $81.22 View part →
  54. ✓ In Stock 2011-2013 Mazda 6 Oxygen Sensor - Downstream (Bosch)

    2011-2013 Mazda 6 Oxygen Sensor - Downstream (Bosch)

    Partslink #: 15383
    $81.22 View part →
  55. ✓ In Stock 2005-2008 Mazda 6 Oxygen Sensor - Center (Walker Products)

    2005-2008 Mazda 6 Oxygen Sensor - Center (Walker Products)

    Partslink #: 250-24732

    Calif-ESV

    $81.31 View part →
  56. ✓ In Stock 2005 Mazda 6 Oxygen Sensor - Downstream (Walker Products)

    2005 Mazda 6 Oxygen Sensor - Downstream (Walker Products)

    Partslink #: 250-24424

    Calif-ESV B1S2

    $81.99 View part →
  57. ✓ In Stock 2006-2007 Mazda 6 Oxygen Sensor - Downstream (Spectra)

    2006-2007 Mazda 6 Oxygen Sensor - Downstream (Spectra)

    Partslink #: OS6112
    $83.51 View part →
  58. ✓ In Stock 2003-2008 Mazda 6 Oxygen Sensor - Upstream Front (Walker Products)

    2003-2008 Mazda 6 Oxygen Sensor - Upstream Front (Walker Products)

    Partslink #: 350-34573
    $84.19 View part →
  59. ✓ In Stock 2006-2008 Mazda 6 Oxygen Sensor - Downstream Front (Walker Products)

    2006-2008 Mazda 6 Oxygen Sensor - Downstream Front (Walker Products)

    Partslink #: 250-24724
    $84.76 View part →
  60. ✓ In Stock 2003-2005 Mazda 6 Oxygen Sensor - Downstream Front (Walker Products)

    2003-2005 Mazda 6 Oxygen Sensor - Downstream Front (Walker Products)

    Partslink #: 250-24715
    $85.37 View part →
  61. ✓ In Stock 2011-2013 Mazda 6 Oxygen Sensor - Rear (Delphi)

    2011-2013 Mazda 6 Oxygen Sensor - Rear (Delphi)

    Partslink #: ES20409
    $85.89 View part →
  62. ✓ In Stock 2003-2005 Mazda 6 Oxygen Sensor - Upstream (Bosch)

    2003-2005 Mazda 6 Oxygen Sensor - Upstream (Bosch)

    Partslink #: 15427
    $86.08 View part →
  63. ✓ In Stock 2003-2005 Mazda 6 Oxygen Sensor - Downstream (Denso)

    2003-2005 Mazda 6 Oxygen Sensor - Downstream (Denso)

    Partslink #: 234-4393

    O.E. Quality Direct Fit Replacement Sensor

    $86.54 View part →
  64. ✓ In Stock 2006-2007 Mazda 6 Oxygen Sensor - Downstream (Walker Products)

    2006-2007 Mazda 6 Oxygen Sensor - Downstream (Walker Products)

    Partslink #: 350-34065

    B1S2

    $89.40 View part →
  65. ✓ In Stock 2006-2008 Mazda 6 Oxygen Sensor - Downstream Front (NGK)

    2006-2008 Mazda 6 Oxygen Sensor - Downstream Front (NGK)

    Partslink #: 24444

    B2S2 OE MFR: NTK

    $89.79 View part →
  66. ✓ In Stock 2006-2008 Mazda 6 Oxygen Sensor - Downstream (Walker Products)

    2006-2008 Mazda 6 Oxygen Sensor - Downstream (Walker Products)

    Partslink #: 250-24676

    Calif-ESV B1S3

    $89.97 View part →
  67. ✓ In Stock 2009-2013 Mazda 6 Oxygen Sensor - Downstream (Walker Products)

    2009-2013 Mazda 6 Oxygen Sensor - Downstream (Walker Products)

    Partslink #: 250-24859

    B1S2

    $92.71 View part →
  68. ✓ In Stock 2003-2005 Mazda 6 Oxygen Sensor - Downstream Front (Denso)

    2003-2005 Mazda 6 Oxygen Sensor - Downstream Front (Denso)

    Partslink #: 234-4397

    O.E. Quality Direct Fit Replacement Sensor

    $93.53 View part →
  69. ✓ In Stock 2005-2008 Mazda 6 Oxygen Sensor - Downstream (Denso)

    2005-2008 Mazda 6 Oxygen Sensor - Downstream (Denso)

    Partslink #: 234-4752

    Loc. After Secondary Catalyst; Calif. DENSO is the O.E. Manufacturer / Direct Fit Oxygen Sensor OE

    $93.64 View part →
  70. ✓ In Stock 2006-2008 Mazda 6 Oxygen Sensor - Downstream (NTK)

    2006-2008 Mazda 6 Oxygen Sensor - Downstream (NTK)

    Partslink #: W0133-2415786

    Radiator Side

    $93.65 View part →
  71. ✓ In Stock 2003-2008 Mazda 6 Oxygen Sensor - Upstream Rear (Bosch)

    2003-2008 Mazda 6 Oxygen Sensor - Upstream Rear (Bosch)

    Partslink #: 15431
    $93.76 View part →
  72. ✓ In Stock 2003-2005 Mazda 6 Oxygen Sensor - Downstream Rear (Bosch)

    2003-2005 Mazda 6 Oxygen Sensor - Downstream Rear (Bosch)

    Partslink #: 15429
    $94.50 View part →
  73. ✓ In Stock 2003-2005 Mazda 6 Oxygen Sensor - Upstream (Bosch)

    2003-2005 Mazda 6 Oxygen Sensor - Upstream (Bosch)

    Partslink #: W0133-1756482
    $94.84 View part →
  74. ✓ In Stock 2003-2008 Mazda 6 Oxygen Sensor - Upstream Front (Walker Products)

    2003-2008 Mazda 6 Oxygen Sensor - Upstream Front (Walker Products)

    Partslink #: 250-24474
    $94.89 View part →
  75. ✓ In Stock 2009-2010 Mazda 6 Oxygen Sensor - Upstream Front or Upstream Rear (Spectra)

    2009-2010 Mazda 6 Oxygen Sensor - Upstream Front or Upstream Rear (Spectra)

    Partslink #: OS6180

    w/ 5 Wires

    $94.94 View part →
  76. ✓ In Stock 2014-2021 Mazda 6 Oxygen Sensor - Downstream (Walker Products)

    2014-2021 Mazda 6 Oxygen Sensor - Downstream (Walker Products)

    Partslink #: 250-241074

    B1S2

    $95.09 View part →
  77. ✓ In Stock 2005 Mazda 6 Oxygen Sensor - Downstream (Walker Products)

    2005 Mazda 6 Oxygen Sensor - Downstream (Walker Products)

    Partslink #: W0133-1919806

    w/ California Emissions - After Main Converter

    $95.11 View part →
  78. ✓ In Stock 2009-2010 Mazda 6 Oxygen Sensor - Rear (Delphi)

    2009-2010 Mazda 6 Oxygen Sensor - Rear (Delphi)

    Partslink #: ES20318
    $95.65 View part →
  79. ✓ In Stock 2003-2005 Mazda 6 Oxygen Sensor - Downstream (NGK)

    2003-2005 Mazda 6 Oxygen Sensor - Downstream (NGK)

    Partslink #: 22101

    B1S2 OE MFR: NTK

    $95.82 View part →
  80. ✓ In Stock 2003-2008 Mazda 6 Oxygen Sensor - Upstream (NTK)

    2003-2008 Mazda 6 Oxygen Sensor - Upstream (NTK)

    Partslink #: W0133-1808839

    Firewall Side

    $97.93 View part →
  81. ✓ In Stock 2006-2008 Mazda 6 Oxygen Sensor - Downstream Rear (NGK)

    2006-2008 Mazda 6 Oxygen Sensor - Downstream Rear (NGK)

    Partslink #: 24445

    B1S2 OE MFR: NTK

    $98.47 View part →
  82. ✓ In Stock 2003-2005 Mazda 6 Oxygen Sensor - Upstream (NTK)

    2003-2005 Mazda 6 Oxygen Sensor - Upstream (NTK)

    Partslink #: W0133-1843304
    $98.56 View part →
  83. ✓ In Stock 2006-2008 Mazda 6 Oxygen Sensor - Downstream (Bosch)

    2006-2008 Mazda 6 Oxygen Sensor - Downstream (Bosch)

    Partslink #: W0133-1846081

    Radiator Side

    $99.67 View part →
  84. ✓ In Stock 2006-2007 Mazda 6 Oxygen Sensor - Downstream (Walker Products)

    2006-2007 Mazda 6 Oxygen Sensor - Downstream (Walker Products)

    Partslink #: 250-24791

    B1S2

    $99.90 View part →
  85. ✓ In Stock 2003-2008 Mazda 6 Oxygen Sensor - Upstream (Denso)

    2003-2008 Mazda 6 Oxygen Sensor - Upstream (Denso)

    Partslink #: W0133-2092360

    Firewall Side

    $100.80 View part →
  86. ✓ In Stock 2006-2008 Mazda 6 Oxygen Sensor - Downstream (Bosch)

    2006-2008 Mazda 6 Oxygen Sensor - Downstream (Bosch)

    Partslink #: 15386
    $101.45 View part →
  87. ✓ In Stock 2003-2005 Mazda 6 Oxygen Sensor - Downstream Front (NGK)

    2003-2005 Mazda 6 Oxygen Sensor - Downstream Front (NGK)

    Partslink #: 22100

    B2S2 OE MFR: NTK

    $102.41 View part →
  88. ✓ In Stock 2014-2021 Mazda 6 Oxygen Sensor - Downstream (Bosch)

    2014-2021 Mazda 6 Oxygen Sensor - Downstream (Bosch)

    Partslink #: 18188
    $102.84 View part →
  89. ✓ In Stock 2006-2007 Mazda 6 Oxygen Sensor - Upstream (Spectra)

    2006-2007 Mazda 6 Oxygen Sensor - Upstream (Spectra)

    Partslink #: OS6229
    $103.01 View part →
  90. ✓ In Stock 2018-2021 Mazda 6 Oxygen Sensor - Downstream (Walker Products)

    2018-2021 Mazda 6 Oxygen Sensor - Downstream (Walker Products)

    Partslink #: 350-34133

    B1S2

    $103.14 View part →
  91. ✓ In Stock 2014-2021 Mazda 6 Oxygen Sensor - Downstream (Denso)

    2014-2021 Mazda 6 Oxygen Sensor - Downstream (Denso)

    Partslink #: 234-4939

    DENSO is the O.E. Manufacturer / Direct Fit Oxygen Sensor OE

    $103.40 View part →
  92. ✓ In Stock 2003-2005 Mazda 6 Oxygen Sensor - Front (Delphi)

    2003-2005 Mazda 6 Oxygen Sensor - Front (Delphi)

    Partslink #: ES20386
    $103.45 View part →
  93. ✓ In Stock 2006-2008 Mazda 6 Oxygen Sensor - Downstream (NGK)

    2006-2008 Mazda 6 Oxygen Sensor - Downstream (NGK)

    Partslink #: 25670

    Rear Sensor; Located After Secondary Catalyst B1S3 Calif. Emissions OE Equivalent Design

    $103.96 View part →
  94. ✓ In Stock 2005 Mazda 6 Oxygen Sensor - Downstream (Bosch)

    2005 Mazda 6 Oxygen Sensor - Downstream (Bosch)

    Partslink #: W0133-1843594

    w/ California Emissions - After Pre-Catalyst, Before Main Catalyst

    $105.03 View part →
  95. ✓ In Stock 2009-2013 Mazda 6 Oxygen Sensor - Downstream (Denso)

    2009-2013 Mazda 6 Oxygen Sensor - Downstream (Denso)

    Partslink #: 234-4279

    O.E. Quality Direct Fit Replacement Sensor

    $107.66 View part →
  96. ✓ In Stock 2006-2008 Mazda 6 Oxygen Sensor - Downstream (Denso)

    2006-2008 Mazda 6 Oxygen Sensor - Downstream (Denso)

    Partslink #: 234-4329

    Loc. After Secondary Catalyst; Calif. DENSO is the O.E. Manufacturer / Direct Fit Oxygen Sensor OE

    $108.76 View part →
  97. ✓ In Stock 2005 Mazda 6 Oxygen Sensor - Upstream (Spectra)

    2005 Mazda 6 Oxygen Sensor - Upstream (Spectra)

    Partslink #: OS6178

    w/ California Emissions w/ 4 Wires

    $111.12 View part →
  98. ✓ In Stock 2003-2008 Mazda 6 Oxygen Sensor - Upstream Front (Denso)

    2003-2008 Mazda 6 Oxygen Sensor - Upstream Front (Denso)

    Partslink #: 234-4398

    O.E. Quality Direct Fit Replacement Sensor

    $111.66 View part →
  99. ✓ In Stock 2005-2008 Mazda 6 Oxygen Sensor - Downstream or Intermediate (NGK)

    2005-2008 Mazda 6 Oxygen Sensor - Downstream or Intermediate (NGK)

    Partslink #: 24697

    Rear Sensor; Located After Secondary Catalyst B1S3 Calif. Emissions OE Equivalent Design

    $113.07 View part →
  100. ✓ In Stock 2009-2013 Mazda 6 Oxygen Sensor - Upstream (Walker Products)

    2009-2013 Mazda 6 Oxygen Sensor - Upstream (Walker Products)

    Partslink #: 350-35021

    B1S1

    $114.03 View part →
  101. ✓ In Stock 2009-2013 Mazda 6 Oxygen Sensor - Upstream (Walker Products)

    2009-2013 Mazda 6 Oxygen Sensor - Upstream (Walker Products)

    Partslink #: 250-25090

    B1S1

    $114.59 View part →
  102. ✓ In Stock 2006-2007 Mazda 6 Oxygen Sensor - Downstream (Denso)

    2006-2007 Mazda 6 Oxygen Sensor - Downstream (Denso)

    Partslink #: 234-4395

    O.E. Quality Direct Fit Replacement Sensor

    $116.14 View part →
  103. ✓ In Stock 2006-2008 Mazda 6 Oxygen Sensor - Downstream (Bosch)

    2006-2008 Mazda 6 Oxygen Sensor - Downstream (Bosch)

    Partslink #: W0133-1846100

    w/ California Emissions - After Pre-Catalyst, Before Main Catalyst

    $116.34 View part →
  104. ✓ In Stock 2003-2008 Mazda 6 Oxygen Sensor - Downstream or Downstream Rear (Bosch)

    2003-2008 Mazda 6 Oxygen Sensor - Downstream or Downstream Rear (Bosch)

    Partslink #: 15426
    $117.96 View part →
  105. ✓ In Stock 2003-2005 Mazda 6 Oxygen Sensor - Downstream (NTK)

    2003-2005 Mazda 6 Oxygen Sensor - Downstream (NTK)

    Partslink #: W0133-1808841

    Firewall Side

    $119.13 View part →
  106. ✓ In Stock 2018-2021 Mazda 6 Oxygen Sensor - Downstream (Walker Products)

    2018-2021 Mazda 6 Oxygen Sensor - Downstream (Walker Products)

    Partslink #: 250-241278

    B1S2

    $119.55 View part →
  107. ✓ In Stock 2014-2017 Mazda 6 Oxygen Sensor - Upstream (Walker Products)

    2014-2017 Mazda 6 Oxygen Sensor - Upstream (Walker Products)

    Partslink #: 350-35048

    B1S1

    $119.89 View part →
  108. ✓ In Stock 2011-2013 Mazda 6 Oxygen Sensor - Upstream (Walker Products)

    2011-2013 Mazda 6 Oxygen Sensor - Upstream (Walker Products)

    Partslink #: 250-25170

    Air-Fuel Ratio Sensor

    $120.23 View part →
  109. ✓ In Stock 2009-2013 Mazda 6 Oxygen Sensor - Downstream (NGK)

    2009-2013 Mazda 6 Oxygen Sensor - Downstream (NGK)

    Partslink #: 22129

    B1S2 OE MFR: NTK

    $120.28 View part →
  110. ✓ In Stock 2006-2008 Mazda 6 Oxygen Sensor - Upstream (Spectra)

    2006-2008 Mazda 6 Oxygen Sensor - Upstream (Spectra)

    Partslink #: OS6212

    w/ California Emissions w/ 4 Wires

    $120.31 View part →
  111. ✓ In Stock 2009-2010 Mazda 6 Oxygen Sensor - Upstream Front or Upstream Rear (Walker Products)

    2009-2010 Mazda 6 Oxygen Sensor - Upstream Front or Upstream Rear (Walker Products)

    Partslink #: 250-25060
    $121.15 View part →
  112. ✓ In Stock 2003-2008 Mazda 6 Oxygen Sensor - Upstream Front (NGK)

    2003-2008 Mazda 6 Oxygen Sensor - Upstream Front (NGK)

    Partslink #: 22115

    B2S1 OE MFR: NTK

    $121.24 View part →
  113. ✓ In Stock 2005 Mazda 6 Oxygen Sensor - Downstream (Denso)

    2005 Mazda 6 Oxygen Sensor - Downstream (Denso)

    Partslink #: W0133-2092383

    w/ California Emissions - After Main Converter

    $122.25 View part →
  114. ✓ In Stock 2009-2013 Mazda 6 Oxygen Sensor - Downstream (Walker Products)

    2009-2013 Mazda 6 Oxygen Sensor - Downstream (Walker Products)

    Partslink #: W0133-1894461
    $122.26 View part →
  115. ✓ In Stock 2005 Mazda 6 Oxygen Sensor - Intermediate (NGK)

    2005 Mazda 6 Oxygen Sensor - Intermediate (NGK)

    Partslink #: 24678

    Center Sensor; Located After Primary Catalyst B1S2 Calif. Emissions OE Equivalent Design

    $124.68 View part →
  116. ✓ In Stock 2003-2005 Mazda 6 Oxygen Sensor - Downstream Front (Bosch)

    2003-2005 Mazda 6 Oxygen Sensor - Downstream Front (Bosch)

    Partslink #: 15428
    $125.29 View part →
  117. ✓ In Stock 2006-2008 Mazda 6 Oxygen Sensor - Upstream or Upstream Front (Walker Products)

    2006-2008 Mazda 6 Oxygen Sensor - Upstream or Upstream Front (Walker Products)

    Partslink #: 350-35038

    B1S1

    $126.09 View part →
  118. ✓ In Stock 2006-2007 Mazda 6 Oxygen Sensor - Upstream (Walker Products)

    2006-2007 Mazda 6 Oxygen Sensor - Upstream (Walker Products)

    Partslink #: 350-35045

    B1S1

    $127.04 View part →
  119. ✓ In Stock 2018-2021 Mazda 6 Oxygen Sensor - Upstream (Walker Products)

    2018-2021 Mazda 6 Oxygen Sensor - Upstream (Walker Products)

    Partslink #: 350-35075

    B1S1

    $127.95 View part →
  120. ✓ In Stock 2003-2008 Mazda 6 Oxygen Sensor - Downstream (Bosch)

    2003-2008 Mazda 6 Oxygen Sensor - Downstream (Bosch)

    Partslink #: W0133-1756484

    Firewall Side

    $128.00 View part →
  121. ✓ In Stock 2006-2007 Mazda 6 Oxygen Sensor - Upstream (Walker Products)

    2006-2007 Mazda 6 Oxygen Sensor - Upstream (Walker Products)

    Partslink #: 250-25066

    B1S1

    $130.96 View part →
  122. ✓ In Stock 2006-2008 Mazda 6 Oxygen Sensor - Rear (Delphi)

    2006-2008 Mazda 6 Oxygen Sensor - Rear (Delphi)

    Partslink #: ES20362

    with California Emissions System

    $136.01 View part →
  123. ✓ In Stock 2014-2017 Mazda 6 Oxygen Sensor - Upstream (Walker Products)

    2014-2017 Mazda 6 Oxygen Sensor - Upstream (Walker Products)

    Partslink #: 250-25102

    B1S1

    $137.31 View part →
  124. ✓ In Stock 2009-2013 Mazda 6 Oxygen Sensor - Downstream (Denso)

    2009-2013 Mazda 6 Oxygen Sensor - Downstream (Denso)

    Partslink #: W0133-1964700
    $139.02 View part →
  125. ✓ In Stock 2014-2021 Mazda 6 Oxygen Sensor - Downstream (NGK)

    2014-2021 Mazda 6 Oxygen Sensor - Downstream (NGK)

    Partslink #: 24792

    B1S2 OE Equivalent Design

    $140.15 View part →
  126. ✓ In Stock 2003-2005 Mazda 6 Oxygen Sensor - Downstream (NTK)

    2003-2005 Mazda 6 Oxygen Sensor - Downstream (NTK)

    Partslink #: W0133-1843289

    Radiator Side

    $142.97 View part →
  127. ✓ In Stock 2003-2008 Mazda 6 Oxygen Sensor - Upstream (Walker Products)

    2003-2008 Mazda 6 Oxygen Sensor - Upstream (Walker Products)

    Partslink #: W0133-1916916

    Radiator Side

    $143.17 View part →
  128. ✓ In Stock 2003-2008 Mazda 6 Oxygen Sensor - Upstream Front (Bosch)

    2003-2008 Mazda 6 Oxygen Sensor - Upstream Front (Bosch)

    Partslink #: 15430
    $144.96 View part →
  129. ✓ In Stock 2006-2008 Mazda 6 Oxygen Sensor - Downstream (NTK)

    2006-2008 Mazda 6 Oxygen Sensor - Downstream (NTK)

    Partslink #: W0133-2392797

    Firewall Side

    $146.40 View part →
  130. ✓ In Stock 2018-2021 Mazda 6 Oxygen Sensor - Upstream (Walker Products)

    2018-2021 Mazda 6 Oxygen Sensor - Upstream (Walker Products)

    Partslink #: 250-25101

    B1S1

    $146.57 View part →
  131. ✓ In Stock 2006-2008 Mazda 6 Oxygen Sensor - Downstream (NGK)

    2006-2008 Mazda 6 Oxygen Sensor - Downstream (NGK)

    Partslink #: 22018

    B1S2 Calif. Emissions OE MFR: NTK

    $147.34 View part →
  132. ✓ In Stock 2006-2008 Mazda 6 Oxygen Sensor - Upstream or Upstream Front (Walker Products)

    2006-2008 Mazda 6 Oxygen Sensor - Upstream or Upstream Front (Walker Products)

    Partslink #: 250-25069

    B1S1

    $150.89 View part →
  133. ✓ In Stock 2005 Mazda 6 Oxygen Sensor - Upstream (Walker Products)

    2005 Mazda 6 Oxygen Sensor - Upstream (Walker Products)

    Partslink #: 350-64066

    Calif-ESV B1S1

    $151.02 View part →
  134. ✓ In Stock 2006-2008 Mazda 6 Oxygen Sensor - Upstream (Walker Products)

    2006-2008 Mazda 6 Oxygen Sensor - Upstream (Walker Products)

    Partslink #: 350-64062

    Calif-ESV B1S1

    $151.47 View part →
  135. ✓ In Stock 2014-2021 Mazda 6 Oxygen Sensor - Downstream (Denso)

    2014-2021 Mazda 6 Oxygen Sensor - Downstream (Denso)

    Partslink #: W0133-2097253
    $152.57 View part →
  136. ✓ In Stock 2005-2008 Mazda 6 Oxygen Sensor - Center (Delphi)

    2005-2008 Mazda 6 Oxygen Sensor - Center (Delphi)

    Partslink #: ES20123

    with California Emissions System

    $153.53 View part →
  137. ✓ In Stock 2006-2008 Mazda 6 Oxygen Sensor - Downstream (Walker Products)

    2006-2008 Mazda 6 Oxygen Sensor - Downstream (Walker Products)

    Partslink #: W0133-1894456

    w/ California Emissions - After Main Converter

    $156.21 View part →
  138. ✓ In Stock 2006-2007 Mazda 6 Oxygen Sensor - Downstream (Denso)

    2006-2007 Mazda 6 Oxygen Sensor - Downstream (Denso)

    Partslink #: W0133-2092257
    $167.01 View part →
  139. ✓ In Stock 2006-2008 Mazda 6 Oxygen Sensor - Upstream (Walker Products)

    2006-2008 Mazda 6 Oxygen Sensor - Upstream (Walker Products)

    Partslink #: 250-54039

    Calif-ESV B1S1

    $171.62 View part →
  140. ✓ In Stock 2009-2013 Mazda 6 Oxygen Sensor - Downstream (NTK)

    2009-2013 Mazda 6 Oxygen Sensor - Downstream (NTK)

    Partslink #: W0133-2374589
    $173.10 View part →
  141. ✓ In Stock 2009-2013 Mazda 6 Oxygen Sensor - Upstream (Denso)

    2009-2013 Mazda 6 Oxygen Sensor - Upstream (Denso)

    Partslink #: W0133-2092746
    $175.59 View part →
  142. ✓ In Stock 2005 Mazda 6 Oxygen Sensor - Upstream (Walker Products)

    2005 Mazda 6 Oxygen Sensor - Upstream (Walker Products)

    Partslink #: 250-54033

    Calif-ESV B1S1

    $179.81 View part →
  143. ✓ In Stock 2006-2008 Mazda 6 Oxygen Sensor - Downstream (NTK)

    2006-2008 Mazda 6 Oxygen Sensor - Downstream (NTK)

    Partslink #: W0133-1843307
    $200.97 View part →
  144. ✓ In Stock 2003-2008 Mazda 6 Oxygen Sensor - Upstream (NTK)

    2003-2008 Mazda 6 Oxygen Sensor - Upstream (NTK)

    Partslink #: W0133-1843288

    Radiator Side

    $201.41 View part →
  145. ✓ In Stock 2003-2008 Mazda 6 Oxygen Sensor - Upstream (Denso)

    2003-2008 Mazda 6 Oxygen Sensor - Upstream (Denso)

    Partslink #: W0133-2102931

    Radiator Side

    $217.68 View part →
  146. ✓ In Stock 2018-2021 Mazda 6 Oxygen Sensor - Upstream (Bosch)

    2018-2021 Mazda 6 Oxygen Sensor - Upstream (Bosch)

    Partslink #: 16615
    $219.45 View part →
  147. ✓ In Stock 2009-2013 Mazda 6 Oxygen Sensor - Upstream (Denso)

    2009-2013 Mazda 6 Oxygen Sensor - Upstream (Denso)

    Partslink #: W0133-1964699
    $226.26 View part →
  148. ✓ In Stock 2019-2021 Mazda 6 Oxygen Sensor - Upstream (Walker Products)

    2019-2021 Mazda 6 Oxygen Sensor - Upstream (Walker Products)

    Partslink #: 350-35152
    $239.90 View part →
  149. ✓ In Stock 2006-2008 Mazda 6 Oxygen Sensor - Upstream (Bosch)

    2006-2008 Mazda 6 Oxygen Sensor - Upstream (Bosch)

    Partslink #: 15374

    without California Emissions System

    $258.57 View part →
  150. ✓ In Stock 2006-2008 Mazda 6 Oxygen Sensor - Upstream (Bosch)

    2006-2008 Mazda 6 Oxygen Sensor - Upstream (Bosch)

    Partslink #: W0133-1846098
    $264.59 View part →
  151. ✓ In Stock 2006-2008 Mazda 6 Oxygen Sensor - Upstream (Denso)

    2006-2008 Mazda 6 Oxygen Sensor - Upstream (Denso)

    Partslink #: W0133-2094132
    $268.16 View part →
  152. ✓ In Stock 2006-2007 Mazda 6 Oxygen Sensor - Upstream (Bosch)

    2006-2007 Mazda 6 Oxygen Sensor - Upstream (Bosch)

    Partslink #: 15782
    $325.59 View part →
  153. ✓ In Stock 2014-2017 Mazda 6 Oxygen Sensor - Upstream (Denso)

    2014-2017 Mazda 6 Oxygen Sensor - Upstream (Denso)

    Partslink #: W0133-2097202
    $328.17 View part →
  154. ✓ In Stock 2006-2008 Mazda 6 Oxygen Sensor - Upstream (Denso)

    2006-2008 Mazda 6 Oxygen Sensor - Upstream (Denso)

    Partslink #: W0133-1926797

    w/ California Emissions

    $340.11 View part →
  155. ✓ In Stock 2018-2021 Mazda 6 Oxygen Sensor - Upstream (Denso)

    2018-2021 Mazda 6 Oxygen Sensor - Upstream (Denso)

    Partslink #: W0133-4729963
    $348.65 View part →
  156. ✓ In Stock 2006-2007 Mazda 6 Oxygen Sensor - Upstream (Bosch)

    2006-2007 Mazda 6 Oxygen Sensor - Upstream (Bosch)

    Partslink #: W0133-1846095
    $364.53 View part →
  157. ✓ In Stock 2005 Mazda 6 Oxygen Sensor - Upstream (Denso)

    2005 Mazda 6 Oxygen Sensor - Upstream (Denso)

    Partslink #: W0133-1888152

    w/ California Emissions

    $381.81 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 Mazda 6

Browse our selection of quality oxygen sensor parts designed specifically for your Mazda 6. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.

Available Trims

Carbon Edition · GS · GS-L · GT · GX · Grand Touring · Grand Touring Reserve · I Sport · Kuro Edition · Mazdaspeed · S · Signature · Sport · Touring · i · i Grand Touring · i Grand Touring Plus

Body Types

Hatchback · Sedan · Wagon

Engine Options

L4 2.3L · L4 2.5L · V6 3.0L · V6 3.7L

Transmissions

Automatic · Manual

Added to cart · Part