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Mercury Cougar Oxygen Sensor Replacement

1
SELECT Year
  1. ✓ In Stock 1979-1987 Mercury Cougar Oxygen Sensor - Upstream (Spectra)

    1979-1987 Mercury Cougar Oxygen Sensor - Upstream (Spectra)

    Partslink #: OS5144
    $21.22 View part →
  2. ✓ In Stock 1999 Mercury Cougar Oxygen Sensor - Upstream Left or Upstream Right (Spectra)

    1999 Mercury Cougar Oxygen Sensor - Upstream Left or Upstream Right (Spectra)

    Partslink #: OS5139

    w/ Square Connector

    $24.52 View part →
  3. ✓ In Stock 1999 Mercury Cougar Oxygen Sensor - Downstream or Downstream Left or Downstream Right (Spectra)

    1999 Mercury Cougar Oxygen Sensor - Downstream or Downstream Left or Downstream Right (Spectra)

    Partslink #: OS5138

    To Jan/01/1999

    $26.18 View part →
  4. ✓ In Stock 1981-1987 Mercury Cougar Oxygen Sensor - Upstream or Upstream Left or Upstream Right (Walker Products)

    1981-1987 Mercury Cougar Oxygen Sensor - Upstream or Upstream Left or Upstream Right (Walker Products)

    Partslink #: 350-31015
    $41.89 View part →
  5. ✓ In Stock 1991-2002 Mercury Cougar Oxygen Sensor - Downstream or Downstream Left or Downstream Right or Upstream Left or Upstream Right (Walker Products)

    1991-2002 Mercury Cougar Oxygen Sensor - Downstream or Downstream Left or Downstream Right or Upstream Left or Upstream Right (Walker Products)

    Partslink #: 350-34414

    B1S2

    $46.78 View part →
  6. ✓ In Stock 1987-1990 Mercury Cougar Oxygen Sensor - Upstream Left or Upstream Right (Walker Products)

    1987-1990 Mercury Cougar Oxygen Sensor - Upstream Left or Upstream Right (Walker Products)

    Partslink #: 350-33014
    $48.18 View part →
  7. ✓ In Stock 1999 Mercury Cougar Oxygen Sensor - Upstream Left or Upstream Right (NGK)

    1999 Mercury Cougar Oxygen Sensor - Upstream Left or Upstream Right (NGK)

    Partslink #: 22074

    Square Connector OE MFR: NTK

    $50.93 View part →
  8. ✓ In Stock 1987-1990 Mercury Cougar Oxygen Sensor - Upstream Left or Upstream Right (NGK)

    1987-1990 Mercury Cougar Oxygen Sensor - Upstream Left or Upstream Right (NGK)

    Partslink #: 22013

    OE MFR: NTK

    $55.74 View part →
  9. ✓ In Stock 1991-2002 Mercury Cougar Oxygen Sensor - Downstream or Downstream Left or Downstream Right or Upstream Left or Upstream Right (NGK)

    1991-2002 Mercury Cougar Oxygen Sensor - Downstream or Downstream Left or Downstream Right or Upstream Left or Upstream Right (NGK)

    Partslink #: 22500

    OE MFR: NTK

    $59.96 View part →
  10. ✓ In Stock 1999-2002 Mercury Cougar Oxygen Sensor - Upstream or Upstream Left or Upstream Right (NGK)

    1999-2002 Mercury Cougar Oxygen Sensor - Upstream or Upstream Left or Upstream Right (NGK)

    Partslink #: 22060

    Round Connector OE MFR: NTK

    $61.79 View part →
  11. ✓ In Stock 1991-2002 Mercury Cougar Oxygen Sensor - Downstream or Downstream Left or Downstream Right or Upstream Left or Upstream Right (Walker Products)

    1991-2002 Mercury Cougar Oxygen Sensor - Downstream or Downstream Left or Downstream Right or Upstream Left or Upstream Right (Walker Products)

    Partslink #: 250-24001

    B1S2

    $63.10 View part →
  12. ✓ In Stock 1981-1987 Mercury Cougar Oxygen Sensor - Upstream or Upstream Left or Upstream Right (Walker Products)

    1981-1987 Mercury Cougar Oxygen Sensor - Upstream or Upstream Left or Upstream Right (Walker Products)

    Partslink #: 250-21003
    $69.28 View part →
  13. ✓ In Stock 1987-1990 Mercury Cougar Oxygen Sensor - Upstream Left or Upstream Right (Walker Products)

    1987-1990 Mercury Cougar Oxygen Sensor - Upstream Left or Upstream Right (Walker Products)

    Partslink #: 250-23002
    $70.47 View part →
  14. ✓ In Stock 1994-1997 Mercury Cougar Oxygen Sensor - Upstream Left or Upstream Right (NGK)

    1994-1997 Mercury Cougar Oxygen Sensor - Upstream Left or Upstream Right (NGK)

    Partslink #: 22016

    B2S1 OE MFR: NTK

    $70.81 View part →
  15. ✓ In Stock 1999 Mercury Cougar Oxygen Sensor - Downstream or Downstream Left or Downstream Right (NGK)

    1999 Mercury Cougar Oxygen Sensor - Downstream or Downstream Left or Downstream Right (NGK)

    Partslink #: 22071

    Build Date To 1/1/99 OE MFR: NTK

    $78.75 View part →
  16. ✓ In Stock 1980-1987 Mercury Cougar Oxygen Sensor - Upstream (Bosch)

    1980-1987 Mercury Cougar Oxygen Sensor - Upstream (Bosch)

    Partslink #: 11027
    $40.71 View part →
  17. ✓ In Stock 1985-1987 Mercury Cougar Oxygen Sensor (Delphi)

    1985-1987 Mercury Cougar Oxygen Sensor (Delphi)

    Partslink #: ES10131

    with 215mm Overall Length

    $46.88 View part →
  18. ✓ In Stock 1999-2002 Mercury Cougar Oxygen Sensor - Upstream (Walker Products)

    1999-2002 Mercury Cougar Oxygen Sensor - Upstream (Walker Products)

    Partslink #: 350-34210

    B1S1

    $47.00 View part →
  19. ✓ In Stock 1984-1986 Mercury Cougar Oxygen Sensor - Upstream (NGK)

    1984-1986 Mercury Cougar Oxygen Sensor - Upstream (NGK)

    Partslink #: 22014

    B1S1 OE MFR: NTK

    $51.34 View part →
  20. ✓ In Stock 1996-2001 Mercury Cougar Oxygen Sensor - Downstream or Upstream (Denso)

    1996-2001 Mercury Cougar Oxygen Sensor - Downstream or Upstream (Denso)

    Partslink #: 234-4609

    O.E. Quality Direct Fit Replacement Sensor

    $51.44 View part →
  21. ✓ In Stock 1991-2002 Mercury Cougar Oxygen Sensor - Downstream or Upstream (Denso)

    1991-2002 Mercury Cougar Oxygen Sensor - Downstream or Upstream (Denso)

    Partslink #: 234-4610

    O.E. Quality Direct Fit Replacement Sensor

    $52.07 View part →
  22. ✓ In Stock 1999-2002 Mercury Cougar Oxygen Sensor - Upstream (Denso)

    1999-2002 Mercury Cougar Oxygen Sensor - Upstream (Denso)

    Partslink #: 234-4045

    O.E. Quality Direct Fit Replacement Sensor

    $52.90 View part →
  23. ✓ In Stock 1984-1986 Mercury Cougar Oxygen Sensor - Upstream (Walker Products)

    1984-1986 Mercury Cougar Oxygen Sensor - Upstream (Walker Products)

    Partslink #: 350-33086

    B1S1

    $54.99 View part →
  24. ✓ In Stock 1999 Mercury Cougar Oxygen Sensor - Upstream (Walker Products)

    1999 Mercury Cougar Oxygen Sensor - Upstream (Walker Products)

    Partslink #: 350-34066

    B1S1

    $55.61 View part →
  25. ✓ In Stock 1994-1995 Mercury Cougar Oxygen Sensor - Upstream (Denso)

    1994-1995 Mercury Cougar Oxygen Sensor - Upstream (Denso)

    Partslink #: 234-4212

    O.E. Quality Universal Replacement Sensor

    $56.53 View part →
  26. ✓ In Stock 1994-1995 Mercury Cougar Oxygen Sensor - Upstream (Denso)

    1994-1995 Mercury Cougar Oxygen Sensor - Upstream (Denso)

    Partslink #: 234-4001

    O.E. Quality Direct Fit Replacement Sensor

    $56.98 View part →
  27. ✓ In Stock 1996-2002 Mercury Cougar Oxygen Sensor - Downstream or Upstream (Bosch)

    1996-2002 Mercury Cougar Oxygen Sensor - Downstream or Upstream (Bosch)

    Partslink #: 15718

    Alternative Fit 1

    $57.04 View part →
  28. ✓ In Stock 1987-1990 Mercury Cougar Oxygen Sensor - Upstream (Denso)

    1987-1990 Mercury Cougar Oxygen Sensor - Upstream (Denso)

    Partslink #: 234-3002

    O.E. Quality Direct Fit Replacement Sensor

    $58.03 View part →
  29. ✓ In Stock 1979-1987 Mercury Cougar Oxygen Sensor - Upstream (NGK)

    1979-1987 Mercury Cougar Oxygen Sensor - Upstream (NGK)

    Partslink #: 23552

    OE Equivalent Design

    $58.46 View part →
  30. ✓ In Stock 1999 Mercury Cougar Oxygen Sensor - Upstream (NGK)

    1999 Mercury Cougar Oxygen Sensor - Upstream (NGK)

    Partslink #: 22010

    B1S1 OE MFR: NTK

    $58.72 View part →
  31. ✓ In Stock 1999 Mercury Cougar Oxygen Sensor - Upstream (Walker Products)

    1999 Mercury Cougar Oxygen Sensor - Upstream (Walker Products)

    Partslink #: 350-34588

    To 5/99

    $59.88 View part →
  32. ✓ In Stock 1991-2002 Mercury Cougar Oxygen Sensor - Downstream or Upstream (Bosch)

    1991-2002 Mercury Cougar Oxygen Sensor - Downstream or Upstream (Bosch)

    Partslink #: 15717

    Exact Fit

    $60.07 View part →
  33. ✓ In Stock 1987-1990 Mercury Cougar Oxygen Sensor - Upstream (Bosch)

    1987-1990 Mercury Cougar Oxygen Sensor - Upstream (Bosch)

    Partslink #: 13942

    Exact Fit

    $62.07 View part →
  34. ✓ In Stock 1999 Mercury Cougar Oxygen Sensor - Upstream (Denso)

    1999 Mercury Cougar Oxygen Sensor - Upstream (Denso)

    Partslink #: 234-4016

    O.E. Quality Direct Fit Replacement Sensor

    $62.23 View part →
  35. ✓ In Stock 1984-1986 Mercury Cougar Oxygen Sensor - Upstream (Denso)

    1984-1986 Mercury Cougar Oxygen Sensor - Upstream (Denso)

    Partslink #: 234-3001

    O.E. Quality Direct Fit Replacement Sensor

    $62.42 View part →
  36. ✓ In Stock 1991-1997 Mercury Cougar Oxygen Sensor - Downstream or Upstream (Bosch)

    1991-1997 Mercury Cougar Oxygen Sensor - Downstream or Upstream (Bosch)

    Partslink #: 15716

    Exact Fit

    $62.55 View part →
  37. ✓ In Stock 1987-1990 Mercury Cougar Oxygen Sensor (Delphi)

    1987-1990 Mercury Cougar Oxygen Sensor (Delphi)

    Partslink #: ES10133

    with 285mm Overall Length

    $67.47 View part →
  38. ✓ In Stock 1991-2002 Mercury Cougar Oxygen Sensor - or Front or Rear (Delphi)

    1991-2002 Mercury Cougar Oxygen Sensor - or Front or Rear (Delphi)

    Partslink #: ES20316

    with 270mm Overall Length

    $68.06 View part →
  39. ✓ In Stock 1987-1990 Mercury Cougar Oxygen Sensor - Upstream (Bosch)

    1987-1990 Mercury Cougar Oxygen Sensor - Upstream (Bosch)

    Partslink #: 13953

    Alternative Fit 1

    $68.23 View part →
  40. ✓ In Stock 2000-2001 Mercury Cougar Oxygen Sensor - Front (Delphi)

    2000-2001 Mercury Cougar Oxygen Sensor - Front (Delphi)

    Partslink #: ES20104

    with Gray Connector

    $69.43 View part →
  41. ✓ In Stock 1999-2002 Mercury Cougar Oxygen Sensor - Upstream (Walker Products)

    1999-2002 Mercury Cougar Oxygen Sensor - Upstream (Walker Products)

    Partslink #: 250-24302

    B1S1

    $69.71 View part →
  42. ✓ In Stock 1991-2002 Mercury Cougar Oxygen Sensor - Downstream or Upstream (Bosch)

    1991-2002 Mercury Cougar Oxygen Sensor - Downstream or Upstream (Bosch)

    Partslink #: 15729
    $70.21 View part →
  43. ✓ In Stock 1984-1986 Mercury Cougar Oxygen Sensor - Upstream (Walker Products)

    1984-1986 Mercury Cougar Oxygen Sensor - Upstream (Walker Products)

    Partslink #: 250-23001

    B1S1

    $70.26 View part →
  44. ✓ In Stock 1994-1999 Mercury Cougar Oxygen Sensor - Front or Rear (Delphi)

    1994-1999 Mercury Cougar Oxygen Sensor - Front or Rear (Delphi)

    Partslink #: ES20014

    with 400mm Overall Length

    $70.50 View part →
  45. ✓ In Stock 1986 Mercury Cougar Oxygen Sensor (Delphi)

    1986 Mercury Cougar Oxygen Sensor (Delphi)

    Partslink #: ES10134
    $70.51 View part →
  46. ✓ In Stock 1984-1990 Mercury Cougar Oxygen Sensor - Upstream (Denso)

    1984-1990 Mercury Cougar Oxygen Sensor - Upstream (Denso)

    Partslink #: 234-3000

    O.E. Quality Universal Replacement Sensor

    $70.67 View part →
  47. ✓ In Stock 1991-2002 Mercury Cougar Oxygen Sensor - or Downstream or Upstream (Bosch)

    1991-2002 Mercury Cougar Oxygen Sensor - or Downstream or Upstream (Bosch)

    Partslink #: W0133-1617602

    w/ Green Connector

    $71.63 View part →
  48. ✓ In Stock 1999 Mercury Cougar Oxygen Sensor - Upstream (Walker Products)

    1999 Mercury Cougar Oxygen Sensor - Upstream (Walker Products)

    Partslink #: 250-24016

    B1S1

    $72.17 View part →
  49. ✓ In Stock 1991-2002 Mercury Cougar Oxygen Sensor - Downstream or Upstream (Denso)

    1991-2002 Mercury Cougar Oxygen Sensor - Downstream or Upstream (Denso)

    Partslink #: 234-4210

    O.E. Quality Universal Replacement Sensor

    $72.54 View part →
  50. ✓ In Stock 1999 Mercury Cougar Oxygen Sensor - Upstream (Walker Products)

    1999 Mercury Cougar Oxygen Sensor - Upstream (Walker Products)

    Partslink #: 250-24015

    To 5/99

    $72.70 View part →
  51. ✓ In Stock 1991-2002 Mercury Cougar Oxygen Sensor - or Downstream or Upstream (Denso)

    1991-2002 Mercury Cougar Oxygen Sensor - or Downstream or Upstream (Denso)

    Partslink #: W0133-1617670

    w/ Part Marked F5MF 9F472-B1B

    $73.56 View part →
  52. ✓ In Stock 1984-1986 Mercury Cougar Oxygen Sensor - Upstream (Bosch)

    1984-1986 Mercury Cougar Oxygen Sensor - Upstream (Bosch)

    Partslink #: 13913
    $73.87 View part →
  53. ✓ In Stock 1985-1986 Mercury Cougar Oxygen Sensor (Bosch)

    1985-1986 Mercury Cougar Oxygen Sensor (Bosch)

    Partslink #: W0133-1618718
    $77.21 View part →
  54. ✓ In Stock 1987-1990 Mercury Cougar Oxygen Sensor (Bosch)

    1987-1990 Mercury Cougar Oxygen Sensor (Bosch)

    Partslink #: W0133-1854612
    $77.49 View part →
  55. ✓ In Stock 1996-2002 Mercury Cougar Oxygen Sensor - Upstream (Bosch)

    1996-2002 Mercury Cougar Oxygen Sensor - Upstream (Bosch)

    Partslink #: W0133-1615309

    w/ Part Marked F5MF 9F472-B1B

    $78.79 View part →
  56. ✓ In Stock 1999 Mercury Cougar Oxygen Sensor - Front (Delphi)

    1999 Mercury Cougar Oxygen Sensor - Front (Delphi)

    Partslink #: ES20026

    with 630mm Overall Length

    $79.00 View part →
  57. ✓ In Stock 1986-1990 Mercury Cougar Oxygen Sensor (Bosch)

    1986-1990 Mercury Cougar Oxygen Sensor (Bosch)

    Partslink #: W0133-1619621
    $80.26 View part →
  58. ✓ In Stock 1996-1997 Mercury Cougar Oxygen Sensor - Upstream Front (Motorcraft)

    1996-1997 Mercury Cougar Oxygen Sensor - Upstream Front (Motorcraft)

    Partslink #: DY745

    15 In. Overall Length; F5MF-9F472-BA, B1B

    $82.70 View part →
  59. ✓ In Stock 1999 Mercury Cougar Oxygen Sensor - Upstream (Bosch)

    1999 Mercury Cougar Oxygen Sensor - Upstream (Bosch)

    Partslink #: 13115

    To 04/1999

    $83.16 View part →
  60. ✓ In Stock 1987-1990 Mercury Cougar Oxygen Sensor (NTK)

    1987-1990 Mercury Cougar Oxygen Sensor (NTK)

    Partslink #: W0133-1914680
    $84.00 View part →
  61. ✓ In Stock 1999 Mercury Cougar Oxygen Sensor - Front (Delphi)

    1999 Mercury Cougar Oxygen Sensor - Front (Delphi)

    Partslink #: ES20025

    with 375mm Overall Length To 05/1999

    $86.23 View part →
  62. ✓ In Stock 1991-2002 Mercury Cougar Oxygen Sensor - or Downstream or Upstream (NTK)

    1991-2002 Mercury Cougar Oxygen Sensor - or Downstream or Upstream (NTK)

    Partslink #: W0133-1843286

    w/ Green Connector

    $94.05 View part →
  63. ✓ In Stock 1999-2002 Mercury Cougar Oxygen Sensor - Rear (Delphi)

    1999-2002 Mercury Cougar Oxygen Sensor - Rear (Delphi)

    Partslink #: ES20318
    $95.65 View part →
  64. ✓ In Stock 1986-1990 Mercury Cougar Oxygen Sensor (Denso)

    1986-1990 Mercury Cougar Oxygen Sensor (Denso)

    Partslink #: W0133-1616474
    $96.44 View part →
  65. ✓ In Stock 1999 Mercury Cougar Oxygen Sensor - Upstream (Bosch)

    1999 Mercury Cougar Oxygen Sensor - Upstream (Bosch)

    Partslink #: W0133-1613509

    w/ Square Connector

    $96.75 View part →
  66. ✓ In Stock 1991-2002 Mercury Cougar Oxygen Sensor - or Downstream or Upstream (NTK)

    1991-2002 Mercury Cougar Oxygen Sensor - or Downstream or Upstream (NTK)

    Partslink #: W0133-1808860

    w/ Green Connector

    $98.39 View part →
  67. ✓ In Stock 1996-1997 Mercury Cougar Oxygen Sensor - Upstream (NTK)

    1996-1997 Mercury Cougar Oxygen Sensor - Upstream (NTK)

    Partslink #: W0133-1808724

    w/ Part Marked F5MF 9F472-B1B

    $98.81 View part →
  68. ✓ In Stock 1991-2002 Mercury Cougar Oxygen Sensor - or Downstream or Upstream (Motorcraft)

    1991-2002 Mercury Cougar Oxygen Sensor - or Downstream or Upstream (Motorcraft)

    Partslink #: W0133-2322396
    $103.48 View part →
  69. ✓ In Stock 1991-2002 Mercury Cougar Oxygen Sensor - or Downstream or Upstream (NTK)

    1991-2002 Mercury Cougar Oxygen Sensor - or Downstream or Upstream (NTK)

    Partslink #: W0133-1816997

    w/ Part Marked F4ZF 9F472-AA or F4ZF 9F472-AB

    $106.83 View part →
  70. ✓ In Stock 1987-1990 Mercury Cougar Oxygen Sensor (Motorcraft)

    1987-1990 Mercury Cougar Oxygen Sensor (Motorcraft)

    Partslink #: W0133-1854612
    $107.49 View part →

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Oxygen Sensor Compatibility for Mercury Cougar

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

Available Trims

Base · GS · LS · S · V6 · XR-7

Body Types

Coupe · Hardtop · Sedan · Wagon

Engine Options

L4 2.0L · L4 2.3L · L6 3.3L · V6 2.5L · V6 3.8L · V8 4.2L · V8 4.6L · V8 5.0L · V8 5.8L

Transmissions

Automatic · Manual

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