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INFINITI M45 Oxygen Sensor Replacement

1
SELECT Year
  1. ✓ In Stock 2003-2004 INFINITI M45 Oxygen Sensor - Upstream Right (Walker Products)

    2003-2004 INFINITI M45 Oxygen Sensor - Upstream Right (Walker Products)

    Partslink #: 350-34646
    $56.76 View part →
  2. ✓ In Stock 2003-2010 INFINITI M45 Oxygen Sensor - Downstream Left (Walker Products)

    2003-2010 INFINITI M45 Oxygen Sensor - Downstream Left (Walker Products)

    Partslink #: 350-34582
    $61.75 View part →
  3. ✓ In Stock 2003-2004 INFINITI M45 Oxygen Sensor - Upstream Right (Walker Products)

    2003-2004 INFINITI M45 Oxygen Sensor - Upstream Right (Walker Products)

    Partslink #: 250-24452
    $69.39 View part →
  4. ✓ In Stock 2003-2004 INFINITI M45 Oxygen Sensor - Upstream Left (Walker Products)

    2003-2004 INFINITI M45 Oxygen Sensor - Upstream Left (Walker Products)

    Partslink #: 350-34488
    $65.56 View part →
  5. ✓ In Stock 2003-2004 INFINITI M45 Oxygen Sensor - Upstream Right (NGK)

    2003-2004 INFINITI M45 Oxygen Sensor - Upstream Right (NGK)

    Partslink #: 24298

    B2S1 OE MFR: NTK

    $71.82 View part →
  6. ✓ In Stock 2003-2004 INFINITI M45 Oxygen Sensor - Downstream Left (Denso)

    2003-2004 INFINITI M45 Oxygen Sensor - Downstream Left (Denso)

    Partslink #: 234-4301

    O.E. Quality Direct Fit Replacement Sensor

    $71.56 View part →
  7. ✓ In Stock 2003-2010 INFINITI M45 Oxygen Sensor - Downstream Left or Downstream Right (Bosch)

    2003-2010 INFINITI M45 Oxygen Sensor - Downstream Left or Downstream Right (Bosch)

    Partslink #: 15741
    $72.26 View part →
  8. ✓ In Stock 2003-2010 INFINITI M45 Oxygen Sensor - Downstream Left (Walker Products)

    2003-2010 INFINITI M45 Oxygen Sensor - Downstream Left (Walker Products)

    Partslink #: 250-24448
    $74.27 View part →
  9. ✓ In Stock 2003-2004 INFINITI M45 Oxygen Sensor - Upstream Right (Denso)

    2003-2004 INFINITI M45 Oxygen Sensor - Upstream Right (Denso)

    Partslink #: 234-4296

    O.E. Quality Direct Fit Replacement Sensor

    $75.78 View part →
  10. ✓ In Stock 2003-2010 INFINITI M45 Oxygen Sensor - Downstream Left (NGK)

    2003-2010 INFINITI M45 Oxygen Sensor - Downstream Left (NGK)

    Partslink #: 24404

    B1S2 OE MFR: NTK

    $77.40 View part →
  11. ✓ In Stock 2003-2010 INFINITI M45 Oxygen Sensor - Downstream Right (Walker Products)

    2003-2010 INFINITI M45 Oxygen Sensor - Downstream Right (Walker Products)

    Partslink #: 350-34384
    $78.10 View part →
  12. ✓ In Stock 2003-2004 INFINITI M45 Oxygen Sensor - Upstream Left (Walker Products)

    2003-2004 INFINITI M45 Oxygen Sensor - Upstream Left (Walker Products)

    Partslink #: 250-24450
    $82.53 View part →
  13. ✓ In Stock 2003-2004 INFINITI M45 Oxygen Sensor - Upstream Right (Walker Products)

    2003-2004 INFINITI M45 Oxygen Sensor - Upstream Right (Walker Products)

    Partslink #: W0133-1894079

    At Exhaust Manifold Outlet

    $79.89 View part →
  14. ✓ In Stock 2003-2004 INFINITI M45 Oxygen Sensor - Upstream Left (Bosch)

    2003-2004 INFINITI M45 Oxygen Sensor - Upstream Left (Bosch)

    Partslink #: 15665
    $83.66 View part →
  15. ✓ In Stock 2003-2004 INFINITI M45 Oxygen Sensor - Downstream Left or Upstream Right (Bosch)

    2003-2004 INFINITI M45 Oxygen Sensor - Downstream Left or Upstream Right (Bosch)

    Partslink #: 15525
    $80.87 View part →
  16. ✓ In Stock 2006-2010 INFINITI M45 Oxygen Sensor - Downstream Left (Denso)

    2006-2010 INFINITI M45 Oxygen Sensor - Downstream Left (Denso)

    Partslink #: 234-4302

    O.E. Quality Direct Fit Replacement Sensor

    $88.34 View part →
  17. ✓ In Stock 2003-2010 INFINITI M45 Oxygen Sensor - Downstream Right (Walker Products)

    2003-2010 INFINITI M45 Oxygen Sensor - Downstream Right (Walker Products)

    Partslink #: 250-24403
    $87.81 View part →
  18. ✓ In Stock 2003-2004 INFINITI M45 Oxygen Sensor - Upstream Left (NGK)

    2003-2004 INFINITI M45 Oxygen Sensor - Upstream Left (NGK)

    Partslink #: 24401

    B1S1 OE MFR: NTK

    $91.48 View part →
  19. ✓ In Stock 2008 INFINITI M45 Oxygen Sensor - Upstream Left or Upstream Right (Walker Products)

    2008 INFINITI M45 Oxygen Sensor - Upstream Left or Upstream Right (Walker Products)

    Partslink #: 350-35009
    $95.60 View part →
  20. ✓ In Stock 2006-2010 INFINITI M45 Oxygen Sensor - Rear Left (Facet)

    2006-2010 INFINITI M45 Oxygen Sensor - Rear Left (Facet)

    Partslink #: 10.8007
    $94.63 View part →
  21. ✓ In Stock 2003-2010 INFINITI M45 Oxygen Sensor - Downstream Right (Vemo)

    2003-2010 INFINITI M45 Oxygen Sensor - Downstream Right (Vemo)

    Partslink #: V38-76-0024

    Grade: Aftermarket With OE No. 1821382Z30

    $97.78 View part →
  22. ✓ In Stock 2003-2010 INFINITI M45 Oxygen Sensor - Downstream Left (Walker Products)

    2003-2010 INFINITI M45 Oxygen Sensor - Downstream Left (Walker Products)

    Partslink #: W0133-1919113

    At Catalyst Outlet

    $95.17 View part →
  23. ✓ In Stock 2003-2004 INFINITI M45 Oxygen Sensor - Upstream Right (Denso)

    2003-2004 INFINITI M45 Oxygen Sensor - Upstream Right (Denso)

    Partslink #: W0133-2094135

    At Exhaust Manifold Outlet

    $99.01 View part →
  24. ✓ In Stock 2003-2004 INFINITI M45 Oxygen Sensor - Downstream Left (Denso)

    2003-2004 INFINITI M45 Oxygen Sensor - Downstream Left (Denso)

    Partslink #: W0133-1974426
    $97.40 View part →
  25. ✓ In Stock 2003-2010 INFINITI M45 Oxygen Sensor - Downstream Right (Denso)

    2003-2010 INFINITI M45 Oxygen Sensor - Downstream Right (Denso)

    Partslink #: 234-4312

    O.E. Quality Direct Fit Replacement Sensor

    $109.43 View part →
  26. ✓ In Stock 2003-2004 INFINITI M45 Oxygen Sensor - Upstream Left (Denso)

    2003-2004 INFINITI M45 Oxygen Sensor - Upstream Left (Denso)

    Partslink #: 234-4308

    O.E. Quality Direct Fit Replacement Sensor

    $97.47 View part →
  27. ✓ In Stock 2006-2010 INFINITI M45 Oxygen Sensor - Downstream Right (Bosch)

    2006-2010 INFINITI M45 Oxygen Sensor - Downstream Right (Bosch)

    Partslink #: 15522
    $110.56 View part →
  28. ✓ In Stock 2003-2004 INFINITI M45 Oxygen Sensor - Upstream Left (Bosch)

    2003-2004 INFINITI M45 Oxygen Sensor - Upstream Left (Bosch)

    Partslink #: W0133-1724980
    $98.04 View part →
  29. ✓ In Stock 2008 INFINITI M45 Oxygen Sensor - Upstream Left or Upstream Right (Walker Products)

    2008 INFINITI M45 Oxygen Sensor - Upstream Left or Upstream Right (Walker Products)

    Partslink #: 250-25005
    $113.21 View part →
  30. ✓ In Stock 2006-2010 INFINITI M45 Oxygen Sensor - Downstream Left (Denso)

    2006-2010 INFINITI M45 Oxygen Sensor - Downstream Left (Denso)

    Partslink #: W0133-2089924

    At Catalyst Outlet

    $122.11 View part →
  31. ✓ In Stock 2003-2010 INFINITI M45 Oxygen Sensor - Rear Right (Delphi)

    2003-2010 INFINITI M45 Oxygen Sensor - Rear Right (Delphi)

    Partslink #: ES20161
    $115.04 View part →
  32. ✓ In Stock 2006-2010 INFINITI M45 Oxygen Sensor - Downstream Left (NTK)

    2006-2010 INFINITI M45 Oxygen Sensor - Downstream Left (NTK)

    Partslink #: W0133-1893239

    At Catalyst Outlet

    $126.79 View part →
  33. ✓ In Stock 2003-2004 INFINITI M45 Oxygen Sensor - Front Right (Delphi)

    2003-2004 INFINITI M45 Oxygen Sensor - Front Right (Delphi)

    Partslink #: ES10880
    $116.62 View part →
  34. ✓ In Stock 2006-2010 INFINITI M45 Oxygen Sensor - Downstream Left (Bosch)

    2006-2010 INFINITI M45 Oxygen Sensor - Downstream Left (Bosch)

    Partslink #: 15523
    $131.94 View part →
  35. ✓ In Stock 2006-2010 INFINITI M45 Oxygen Sensor - Upstream Left or Upstream Right (Walker Products)

    2006-2010 INFINITI M45 Oxygen Sensor - Upstream Left or Upstream Right (Walker Products)

    Partslink #: 250-25160
    $124.33 View part →
  36. ✓ In Stock 2003-2004 INFINITI M45 Oxygen Sensor - Downstream Left (Bosch)

    2003-2004 INFINITI M45 Oxygen Sensor - Downstream Left (Bosch)

    Partslink #: W0133-1606465
    $135.36 View part →
  37. ✓ In Stock 2006-2010 INFINITI M45 Oxygen Sensor - Upstream Left or Upstream Right (Walker Products)

    2006-2010 INFINITI M45 Oxygen Sensor - Upstream Left or Upstream Right (Walker Products)

    Partslink #: 350-35126
    $125.98 View part →
  38. ✓ In Stock 2003-2004 INFINITI M45 Oxygen Sensor - Upstream Left (Denso)

    2003-2004 INFINITI M45 Oxygen Sensor - Upstream Left (Denso)

    Partslink #: W0133-2089926
    $143.62 View part →
  39. ✓ In Stock 2003-2010 INFINITI M45 Oxygen Sensor - Downstream Right (NGK)

    2003-2010 INFINITI M45 Oxygen Sensor - Downstream Right (NGK)

    Partslink #: 24408

    B2S2 OE MFR: NTK

    $129.02 View part →
  40. ✓ In Stock 2003-2010 INFINITI M45 Oxygen Sensor - Rear Left (Delphi)

    2003-2010 INFINITI M45 Oxygen Sensor - Rear Left (Delphi)

    Partslink #: ES20220
    $153.39 View part →
  41. ✓ In Stock 2003-2010 INFINITI M45 Oxygen Sensor - Front Right or Rear Left (Hella)

    2003-2010 INFINITI M45 Oxygen Sensor - Front Right or Rear Left (Hella)

    Partslink #: 7.05271.69.0

    12V - Cable: 350mm

    $139.08 View part →
  42. ✓ In Stock 2003-2004 INFINITI M45 Oxygen Sensor - Upstream Left (NTK)

    2003-2004 INFINITI M45 Oxygen Sensor - Upstream Left (NTK)

    Partslink #: W0133-1893290
    $193.11 View part →
  43. ✓ In Stock 2003-2004 INFINITI M45 Oxygen Sensor - Upstream Right (NTK)

    2003-2004 INFINITI M45 Oxygen Sensor - Upstream Right (NTK)

    Partslink #: W0133-1893691

    At Exhaust Manifold Outlet

    $151.34 View part →
  44. ✓ In Stock 2006-2010 INFINITI M45 Oxygen Sensor - Downstream Right (Bosch)

    2006-2010 INFINITI M45 Oxygen Sensor - Downstream Right (Bosch)

    Partslink #: W0133-1606587

    At Catalyst Outlet

    $169.82 View part →
  45. ✓ In Stock 2003-2004 INFINITI M45 Oxygen Sensor - Downstream Right (Bosch)

    2003-2004 INFINITI M45 Oxygen Sensor - Downstream Right (Bosch)

    Partslink #: 15521
    $178.23 View part →
  46. ✓ In Stock 2003-2010 INFINITI M45 Oxygen Sensor - Downstream Right (NTK)

    2003-2010 INFINITI M45 Oxygen Sensor - Downstream Right (NTK)

    Partslink #: W0133-1893240

    At Catalyst Outlet

    $237.95 View part →
  47. ✓ In Stock 2003-2010 INFINITI M45 Oxygen Sensor - Downstream (Denso)

    2003-2010 INFINITI M45 Oxygen Sensor - Downstream (Denso)

    Partslink #: 234-4210

    O.E. Quality Universal Replacement Sensor

    $72.54 View part →
  48. ✓ In Stock 2006-2010 INFINITI M45 Oxygen Sensor - Upstream (Bosch)

    2006-2010 INFINITI M45 Oxygen Sensor - Upstream (Bosch)

    Partslink #: 17264
    $118.47 View part →
  49. ✓ In Stock 2006-2010 INFINITI M45 Oxygen Sensor - Front (Delphi)

    2006-2010 INFINITI M45 Oxygen Sensor - Front (Delphi)

    Partslink #: ES10923

    Air-Fuel Ratio Sensor

    $149.25 View part →
  50. ✓ In Stock 2006-2010 INFINITI M45 Oxygen Sensor - Upstream (Walker Products)

    2006-2010 INFINITI M45 Oxygen Sensor - Upstream (Walker Products)

    Partslink #: W0133-1893836

    At Exhaust Manifold Outlet

    $154.13 View part →
  51. ✓ In Stock 2006-2010 INFINITI M45 Oxygen Sensor - Upstream (Denso)

    2006-2010 INFINITI M45 Oxygen Sensor - Upstream (Denso)

    Partslink #: W0133-2082437

    At Exhaust Manifold Outlet

    $170.16 View part →
  52. ✓ In Stock 2006-2010 INFINITI M45 Oxygen Sensor - Upstream (Bosch)

    2006-2010 INFINITI M45 Oxygen Sensor - Upstream (Bosch)

    Partslink #: W0133-1788506

    At Exhaust Manifold Outlet

    $176.28 View part →
  53. ✓ In Stock 2006-2010 INFINITI M45 Oxygen Sensor - Upstream (NTK)

    2006-2010 INFINITI M45 Oxygen Sensor - Upstream (NTK)

    Partslink #: W0133-1836425

    At Exhaust Manifold Outlet

    $231.99 View part →

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Oxygen Sensor Compatibility for INFINITI M45

Browse our selection of quality oxygen sensor parts designed specifically for your INFINITI M45. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.

Available Trims

Base · Sport · X

Body Types

Sedan

Engine Options

V8 4.5L

Transmissions

Automatic

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