Enter Vehicle Year Make Model

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

Year
Make
Model
Options
Drivetrain

2003 Chevrolet Trailblazer Oxygen Sensors

What year is your
Free Same Day Shipping

2003 Chevrolet Trailblazer Oxygen Sensors

Filter Results
  • Notify When Available

    VIDEO

    O2 Oxygen Sensor

    Replaces 2003 Chevrolet Trailblazer L6 4.2L Upstream O2 Oxygen Sensor TRQ OSA61214

    7 reviews
    Brand: TRQ
    - OSA61214

    $42.95
    Save 10%
    List $47.95 Save $5.00

    Guaranteed to Fit 2003 Chevrolet Trailblazer

    Guaranteed to Fit 2003 Chevrolet Trailblazer

    Replaces 2003 Chevrolet Trailblazer L6 4.2L Upstream O2 Oxygen Sensor TRQ OSA61214

    VIDEO

    O2 Oxygen Sensor
    7 reviews
    Brand: TRQ - OSA61214
    $42.95
    Save 10%
    List $47.95 Save $5.00

    Guaranteed to Fit 2003 Chevrolet Trailblazer

    Guaranteed to Fit 2003 Chevrolet Trailblazer

  • Notify When Available

    VIDEO

    O2 Oxygen Sensor

    Replaces 2003 Chevrolet Trailblazer L6 4.2L Downstream O2 Oxygen Sensor TRQ OSA61247

    5 reviews
    Brand: TRQ
    - OSA61247

    $47.95
    Save 17%
    List $57.95 Save $10.00

    Guaranteed to Fit 2003 Chevrolet Trailblazer

    Guaranteed to Fit 2003 Chevrolet Trailblazer

    Replaces 2003 Chevrolet Trailblazer L6 4.2L Downstream O2 Oxygen Sensor TRQ OSA61247

    VIDEO

    O2 Oxygen Sensor
    5 reviews
    Brand: TRQ - OSA61247
    $47.95
    Save 17%
    List $57.95 Save $10.00

    Guaranteed to Fit 2003 Chevrolet Trailblazer

    Guaranteed to Fit 2003 Chevrolet Trailblazer

  • Notify When Available

    VIDEO

    O2 Oxygen Sensor - Delphi

    Replaces 2003 Chevrolet Trailblazer Rear O2 Oxygen Sensor Delphi ES20113

    2 reviews
    Brand: Delphi
    - ES20113

    Out of Stock

    $ 50.95

    Guaranteed to Fit 2003 Chevrolet Trailblazer

    Guaranteed to Fit 2003 Chevrolet Trailblazer

    Replaces 2003 Chevrolet Trailblazer Rear O2 Oxygen Sensor Delphi ES20113

    VIDEO

    O2 Oxygen Sensor - Delphi
    2 reviews
    Brand: Delphi - ES20113

    Out of Stock

    $ 50.95

    Guaranteed to Fit 2003 Chevrolet Trailblazer

    Guaranteed to Fit 2003 Chevrolet Trailblazer

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
2003 Chevrolet Trailblazer 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.