SEARCH BY VEHICLE:
Enter Vehicle Year Make Model

Specify your vehicle's year, make and model to guarantee fit.

Year
Make
Model
Options
Drivetrain

1998 Mercury Mountaineer Oxygen Sensors

What year is your
Free Same Day Shipping

1998 Mercury Mountaineer Oxygen Sensors

Filter Results
  • Notify When Available

    VIDEO

    Kit image

    Replaces 2 Piece O2 Oxygen Sensor Set TRQ OSA61578

    14 reviews
    Brand: TRQ
    - OSA61578

    • Quantity: 2 Piece
    • Kit Includes: (2) Downstream O2 Oxygen Sensors
    $74.95
    Save 14%
    List $86.95 Save $12.00

    Guaranteed to Fit 1998 Mercury Mountaineer

    Guaranteed to Fit 1998 Mercury Mountaineer

    Replaces 2 Piece O2 Oxygen Sensor Set TRQ OSA61578

    VIDEO

    Kit image
    14 reviews
    Brand: TRQ - OSA61578
    • Quantity: 2 Piece
    • Kit Includes: (2) Downstream O2 Oxygen Sensors
    $74.95
    Save 14%
    List $86.95 Save $12.00

    Guaranteed to Fit 1998 Mercury Mountaineer

    Guaranteed to Fit 1998 Mercury Mountaineer

  • Notify When Available

    VIDEO

    O2 Oxygen Sensor

    Replaces O2 Oxygen Sensor TRQ OSA61313

    17 reviews
    Brand: TRQ
    - OSA61313

    $47.95
    Save 17%
    List $57.95 Save $10.00

    Guaranteed to Fit 1998 Mercury Mountaineer

    Guaranteed to Fit 1998 Mercury Mountaineer

    Replaces O2 Oxygen Sensor TRQ OSA61313

    VIDEO

    O2 Oxygen Sensor
    17 reviews
    Brand: TRQ - OSA61313
    $47.95
    Save 17%
    List $57.95 Save $10.00

    Guaranteed to Fit 1998 Mercury Mountaineer

    Guaranteed to Fit 1998 Mercury Mountaineer

  • Notify When Available

    VIDEO

    O2 Oxygen Sensor

    Replaces O2 Oxygen Sensor TRQ OSA61633

    1 reviews
    Brand: TRQ
    - OSA61633

    • Includes: Installation Tool
    • Kit Includes: (1) O2 Oxygen Sensor
    • Kit Includes: (1) Heavy Duty Oxygen Sensor Install Socket
    $61.95
    Save 26%
    List $83.95 Save $22.00

    Guaranteed to Fit 1998 Mercury Mountaineer

    Guaranteed to Fit 1998 Mercury Mountaineer

    Replaces O2 Oxygen Sensor TRQ OSA61633

    VIDEO

    O2 Oxygen Sensor
    1 reviews
    Brand: TRQ - OSA61633
    • Includes: Installation Tool
    • Kit Includes: (1) O2 Oxygen Sensor
    • Kit Includes: (1) Heavy Duty Oxygen Sensor Install Socket
    $61.95
    Save 26%
    List $83.95 Save $22.00

    Guaranteed to Fit 1998 Mercury Mountaineer

    Guaranteed to Fit 1998 Mercury Mountaineer

  • Notify When Available

    VIDEO

    O2 Oxygen Sensor

    Replaces 1998 Mercury Mountaineer V6 4.0L Upstream Left O2 Oxygen Sensor TRQ OSA61324

    5 reviews
    Brand: TRQ
    - OSA61324

    Out of Stock

    $ 49.95

    Guaranteed to Fit 1998 Mercury Mountaineer

    Guaranteed to Fit 1998 Mercury Mountaineer

    Replaces 1998 Mercury Mountaineer V6 4.0L Upstream Left O2 Oxygen Sensor TRQ OSA61324

    VIDEO

    O2 Oxygen Sensor
    5 reviews
    Brand: TRQ - OSA61324

    Out of Stock

    $ 49.95

    Guaranteed to Fit 1998 Mercury Mountaineer

    Guaranteed to Fit 1998 Mercury Mountaineer

  • Notify When Available

    VIDEO

    O2 Oxygen Sensor - Delphi

    Replaces O2 Oxygen Sensor Delphi ES20316

    Brand: Delphi
    - ES20316

    $44.95
    Save 52%
    List $93.95 Save $49.00

    Guaranteed to Fit 1998 Mercury Mountaineer

    Guaranteed to Fit 1998 Mercury Mountaineer

    Replaces O2 Oxygen Sensor Delphi ES20316

    VIDEO

    O2 Oxygen Sensor - Delphi
    Brand: Delphi - ES20316
    $44.95
    Save 52%
    List $93.95 Save $49.00

    Guaranteed to Fit 1998 Mercury Mountaineer

    Guaranteed to Fit 1998 Mercury Mountaineer

  • Notify When Available
    O2 Oxygen Sensor - Delphi

    Replaces 1998 Mercury Mountaineer V6 4.0L Front Driver Side O2 Oxygen Sensor Delphi ES20064

    Brand: Delphi
    - ES20064

    $46.95
    Save 52%
    List $97.95 Save $51.00

    Guaranteed to Fit 1998 Mercury Mountaineer

    Guaranteed to Fit 1998 Mercury Mountaineer

    Replaces 1998 Mercury Mountaineer V6 4.0L Front Driver Side O2 Oxygen Sensor Delphi ES20064

    O2 Oxygen Sensor - Delphi
    Brand: Delphi - ES20064
    $46.95
    Save 52%
    List $97.95 Save $51.00

    Guaranteed to Fit 1998 Mercury Mountaineer

    Guaranteed to Fit 1998 Mercury Mountaineer

  • Notify When Available

    VIDEO

    O2 Oxygen Sensor

    Replaces O2 Oxygen Sensor Walker Products 250-24001

    1 reviews
    Brand: Walker Products
    - 250-24001

    Out of Stock

    $ 57.95

    Guaranteed to Fit 1998 Mercury Mountaineer

    Guaranteed to Fit 1998 Mercury Mountaineer

    Replaces O2 Oxygen Sensor Walker Products 250-24001

    VIDEO

    O2 Oxygen Sensor
    1 reviews
    Brand: Walker Products - 250-24001

    Out of Stock

    $ 57.95

    Guaranteed to Fit 1998 Mercury Mountaineer

    Guaranteed to Fit 1998 Mercury Mountaineer

Close



Same Day Shipping

Need your part faster? Choose expedited shipping at checkout.

Guaranteed To Fit

Highest quality, direct fit replacement auto parts enforced to the strictest product standards.

USA Customer Support

Exceeding customers' expectations, our team of passionate auto enthusiasts are here to help.

Instructional Video Library

Thousands of how-to auto repair videos to guide you step-by-step through your repair.

Go To Top
1998 Mercury Mountaineer Oxygen Sensors filter
Specify your vehicle

Specify your vehicle's year, make and model to guarantee fit.

Year
Make
Model
Options
Drivetrain

If your vehicle isn't listed, close the window to return to search.