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Chevrolet Blazer Ignition Knock (Detonation) Sensor Replacement

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  1. ✓ In Stock 2020-2023 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Standard Ignition)

    2020-2023 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Standard Ignition)

    Partslink #: KS507

    without harness

    $11.83 View part →
  2. ✓ In Stock 2022 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Global Parts)

    2022 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Global Parts)

    Partslink #: 1815049

    w/ retainer clip

    $25.69 View part →
  3. ✓ In Stock 2020-2021 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Walker Products)

    2020-2021 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Walker Products)

    Partslink #: 242-1391

    Exc.Harness

    $26.06 View part →
  4. ✓ In Stock 2020-2021 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Walker Products)

    2020-2021 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Walker Products)

    Partslink #: 242-1329
    $27.08 View part →
  5. ✓ In Stock 2019-2024 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Holstein)

    2019-2024 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Holstein)

    Partslink #: 2KNC0114
    $27.39 View part →
  6. ✓ In Stock 2020-2023 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Standard Ignition)

    2020-2023 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Standard Ignition)

    Partslink #: KS512

    w/ Harness

    $29.68 View part →
  7. ✓ In Stock 2019-2023 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Motorad)

    2019-2023 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Motorad)

    Partslink #: 1KS1031
    $30.05 View part →
  8. ✓ In Stock 2019-2021 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Walker Products)

    2019-2021 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Walker Products)

    Partslink #: 242-1101
    $33.01 View part →
  9. ✓ In Stock 2020-2021 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Holstein)

    2020-2021 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Holstein)

    Partslink #: 2KNC0350
    $33.07 View part →
  10. ✓ In Stock 2019-2021 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Standard Ignition)

    2019-2021 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Standard Ignition)

    Partslink #: KS437
    $33.62 View part →
  11. ✓ In Stock 2019-2022 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Standard Ignition)

    2019-2022 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Standard Ignition)

    Partslink #: KS374
    $33.95 View part →
  12. ✓ In Stock 2019-2021 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Delphi)

    2019-2021 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Delphi)

    Partslink #: AS10273
    $34.28 View part →
  13. ✓ In Stock 2019-2020 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Beck Arnley)

    2019-2020 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Beck Arnley)

    Partslink #: 158-1654
    $38.36 View part →
  14. ✓ In Stock 1987 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Global Parts)

    1987 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Global Parts)

    Partslink #: 1811765
    $39.80 View part →
  15. ✓ In Stock 2019-2021 Chevrolet Blazer Ignition Knock (Detonation) Sensor (ACDelco)

    2019-2021 Chevrolet Blazer Ignition Knock (Detonation) Sensor (ACDelco)

    Partslink #: 12623095
    $40.45 View part →
  16. ✓ In Stock 2001-2005 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Global Parts)

    2001-2005 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Global Parts)

    Partslink #: 1811759
    $40.87 View part →
  17. ✓ In Stock 2001-2005 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Standard Ignition)

    2001-2005 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Standard Ignition)

    Partslink #: KS115
    $41.03 View part →
  18. ✓ In Stock 2019-2023 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Delphi)

    2019-2023 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Delphi)

    Partslink #: AS10262
    $41.22 View part →
  19. ✓ In Stock 1987-1994 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Global Parts)

    1987-1994 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Global Parts)

    Partslink #: 1811736
    $44.23 View part →
  20. ✓ In Stock 1987 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Walker Products)

    1987 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Walker Products)

    Partslink #: 242-1018
    $44.71 View part →
  21. ✓ In Stock 1987-1994 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Walker Products)

    1987-1994 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Walker Products)

    Partslink #: 242-1034
    $44.93 View part →
  22. ✓ In Stock 1995 Chevrolet Blazer Ignition Knock (Detonation) Sensor - Right (Autopart International)

    1995 Chevrolet Blazer Ignition Knock (Detonation) Sensor - Right (Autopart International)

    Partslink #: W0133-3342693
    $45.49 View part →
  23. ✓ In Stock 1995 Chevrolet Blazer Ignition Knock (Detonation) Sensor - Left (Delphi)

    1995 Chevrolet Blazer Ignition Knock (Detonation) Sensor - Left (Delphi)

    Partslink #: AS10010
    $69.80 View part →
  24. ✓ In Stock 1995 Chevrolet Blazer Ignition Knock (Detonation) Sensor - Right (Standard Ignition)

    1995 Chevrolet Blazer Ignition Knock (Detonation) Sensor - Right (Standard Ignition)

    Partslink #: KS39
    $61.86 View part →
  25. ✓ In Stock 1995 Chevrolet Blazer Ignition Knock (Detonation) Sensor - Left (Standard Ignition)

    1995 Chevrolet Blazer Ignition Knock (Detonation) Sensor - Left (Standard Ignition)

    Partslink #: KS41
    $69.97 View part →
  26. ✓ In Stock 2019-2025 Chevrolet Blazer Ignition Knock (Detonation) Sensor (NGK)

    2019-2025 Chevrolet Blazer Ignition Knock (Detonation) Sensor (NGK)

    Partslink #: ID0050
    $47.05 View part →
  27. ✓ In Stock 2001-2005 Chevrolet Blazer Ignition Knock (Detonation) Sensor (ACDelco)

    2001-2005 Chevrolet Blazer Ignition Knock (Detonation) Sensor (ACDelco)

    Partslink #: 213-924
    $47.29 View part →
  28. ✓ In Stock 2019-2022 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Autopart International)

    2019-2022 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Autopart International)

    Partslink #: W0133-3335853
    $48.81 View part →
  29. ✓ In Stock 1992-1994 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Global Parts)

    1992-1994 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Global Parts)

    Partslink #: 1811745
    $48.85 View part →
  30. ✓ In Stock 1995 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Global Parts)

    1995 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Global Parts)

    Partslink #: 1811807

    Located in Lower Hole

    $50.39 View part →
  31. ✓ In Stock 1987 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Standard Ignition)

    1987 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Standard Ignition)

    Partslink #: KS2
    $51.32 View part →
  32. ✓ In Stock 1996-2000 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Global Parts)

    1996-2000 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Global Parts)

    Partslink #: 1811758
    $51.71 View part →
  33. ✓ In Stock 1987-1994 Chevrolet Blazer Ignition Knock (Detonation) Sensor (NGK)

    1987-1994 Chevrolet Blazer Ignition Knock (Detonation) Sensor (NGK)

    Partslink #: ID0107
    $53.00 View part →
  34. ✓ In Stock 2002-2005 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Walker Products)

    2002-2005 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Walker Products)

    Partslink #: 242-1051
    $53.14 View part →
  35. ✓ In Stock 2019-2022 Chevrolet Blazer Ignition Knock (Detonation) Sensor (ACDelco)

    2019-2022 Chevrolet Blazer Ignition Knock (Detonation) Sensor (ACDelco)

    Partslink #: W0133-5230781
    $54.70 View part →
  36. ✓ In Stock 1992-1994 Chevrolet Blazer Ignition Knock (Detonation) Sensor (True Tech)

    1992-1994 Chevrolet Blazer Ignition Knock (Detonation) Sensor (True Tech)

    Partslink #: KS6T

    with 17 bolt transmission pan

    $54.81 View part →
  37. ✓ In Stock 2002-2005 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Delphi)

    2002-2005 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Delphi)

    Partslink #: AS10296
    $55.65 View part →
  38. ✓ In Stock 1996-2000 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Standard Ignition)

    1996-2000 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Standard Ignition)

    Partslink #: KS62
    $56.20 View part →
  39. ✓ In Stock 1987 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Walker Products)

    1987 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Walker Products)

    Partslink #: 242-91018
    $56.51 View part →
  40. ✓ In Stock 1996-2001 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Walker Products)

    1996-2001 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Walker Products)

    Partslink #: 242-1022
    $56.75 View part →
  41. ✓ In Stock 1987-1994 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Walker Products)

    1987-1994 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Walker Products)

    Partslink #: 242-91034
    $56.75 View part →
  42. ✓ In Stock 1987-1994 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Standard Ignition)

    1987-1994 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Standard Ignition)

    Partslink #: KS7
    $57.18 View part →
  43. ✓ In Stock 1996-2000 Chevrolet Blazer Ignition Knock (Detonation) Sensor (NGK)

    1996-2000 Chevrolet Blazer Ignition Knock (Detonation) Sensor (NGK)

    Partslink #: ID0117
    $57.43 View part →
  44. ✓ In Stock 1991-1994 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Walker Products)

    1991-1994 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Walker Products)

    Partslink #: 242-1023
    $58.13 View part →
  45. ✓ In Stock 1996-2001 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Delphi)

    1996-2001 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Delphi)

    Partslink #: AS10001
    $58.37 View part →
  46. ✓ In Stock 1987-1994 Chevrolet Blazer Ignition Knock (Detonation) Sensor (True Tech)

    1987-1994 Chevrolet Blazer Ignition Knock (Detonation) Sensor (True Tech)

    Partslink #: KS7T
    $58.40 View part →
  47. ✓ In Stock 2002-2005 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Walker Products)

    2002-2005 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Walker Products)

    Partslink #: 242-91051
    $59.50 View part →
  48. ✓ In Stock 2019-2021 Chevrolet Blazer Ignition Knock (Detonation) Sensor (ACDelco)

    2019-2021 Chevrolet Blazer Ignition Knock (Detonation) Sensor (ACDelco)

    Partslink #: W0133-2008756
    $62.46 View part →
  49. ✓ In Stock 1992-1994 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Autopart International)

    1992-1994 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Autopart International)

    Partslink #: W0133-3368017
    $64.20 View part →
  50. ✓ In Stock 1996-2001 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Walker Products)

    1996-2001 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Walker Products)

    Partslink #: 242-91022
    $65.03 View part →
  51. ✓ In Stock 1987-1994 Chevrolet Blazer Ignition Knock (Detonation) Sensor (ACDelco)

    1987-1994 Chevrolet Blazer Ignition Knock (Detonation) Sensor (ACDelco)

    Partslink #: 213-324
    $65.71 View part →
  52. ✓ In Stock 1991-1994 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Walker Products)

    1991-1994 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Walker Products)

    Partslink #: 242-91023
    $66.34 View part →
  53. ✓ In Stock 1987 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Delphi)

    1987 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Delphi)

    Partslink #: AS10014
    $66.90 View part →
  54. ✓ In Stock 1992-1994 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Standard Ignition)

    1992-1994 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Standard Ignition)

    Partslink #: KS6

    w/ 17 Bolt Transmission Pan

    $67.90 View part →
  55. ✓ In Stock 1988-1994 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Autopart International)

    1988-1994 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Autopart International)

    Partslink #: W0133-3395061
    $69.71 View part →
  56. ✓ In Stock 1987-1994 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Delphi)

    1987-1994 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Delphi)

    Partslink #: AS10015
    $70.23 View part →
  57. ✓ In Stock 2002-2005 Chevrolet Blazer Ignition Knock (Detonation) Sensor (ACDelco)

    2002-2005 Chevrolet Blazer Ignition Knock (Detonation) Sensor (ACDelco)

    Partslink #: W0133-1686337
    $70.91 View part →
  58. ✓ In Stock 1992-1994 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Delphi)

    1992-1994 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Delphi)

    Partslink #: AS10016
    $72.40 View part →
  59. ✓ In Stock 1992-1994 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Motorad)

    1992-1994 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Motorad)

    Partslink #: 1KS1020
    $73.96 View part →
  60. ✓ In Stock 1996-2001 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Delphi)

    1996-2001 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Delphi)

    Partslink #: W0133-1620868
    $98.49 View part →
  61. ✓ In Stock 1992-1994 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Delphi)

    1992-1994 Chevrolet Blazer Ignition Knock (Detonation) Sensor (Delphi)

    Partslink #: W0133-1687198
    $120.53 View part →

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Ignition Knock (Detonation) Sensor Compatibility for Chevrolet Blazer

Browse our selection of quality ignition knock (detonation) sensor parts designed specifically for your Chevrolet Blazer. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.

Available Trims

Base · Cheyenne · Custom Deluxe · Deluxe · L · LS · LT · LTZ · Premier · RS · RS Bitono · Scottsdale · Silverado · Silverado Sport · Trailblazer · True North · Xtreme · ZR2

Body Types

Sport Utility

Engine Options

L4 2.0L · L4 2.5L · L6 4.2L · V6 3.6L · V6 4.3L · V8 5.0L · V8 5.7L · V8 6.2L · V8 6.5L

Transmissions

Automatic · Manual

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