SEARCH BY VEHICLE:
Enter Vehicle Year Make Model

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

Year
Make
Model
Options
Drivetrain

2004 Subaru Legacy Oxygen Sensors

What year is your
Free Same Day Shipping

2004 Subaru Legacy Oxygen Sensors

Filter Results
  • Notify When Available

    VIDEO

    O2 Oxygen Sensor

    Replaces 2004 Subaru Legacy H4 2.5L Engine Designation EJ253 Upstream Bank 1 Sensor 1 O2 Oxygen Sensor TRQ OSA61188

    24 reviews
    Brand: TRQ - OSA61188
    • Sensor Type: Air / Fuel Ratio
    $73.95
    Save 10%
    List $81.95 Save $8.00

    Guaranteed to Fit 2004 Subaru Legacy

    Guaranteed to Fit 2004 Subaru Legacy

  • Notify When Available

    VIDEO

    O2 Oxygen Sensor

    Replaces 2004 Subaru Legacy H4 2.5L Engine Designation EJ259 Downstream Bank 1 Sensor 2 O2 Oxygen Sensor TRQ OSA61248

    11 reviews
    Brand: TRQ - OSA61248
    $46.95
    Save 10%
    List $51.95 Save $5.00

    Guaranteed to Fit 2004 Subaru Legacy

    Guaranteed to Fit 2004 Subaru Legacy

  • Notify When Available

    VIDEO

    Oxygen Sensor

    Replaces 2004 Subaru Legacy H4 2.5L Engine Designation EJ259 Upstream Bank 1 Sensor 1 O2 Oxygen Sensor TRQ OSA61749

    11 reviews
    Brand: TRQ - OSA61749
    $79.95
    Save 13%
    List $91.95 Save $12.00

    Guaranteed to Fit 2004 Subaru Legacy

    Guaranteed to Fit 2004 Subaru Legacy

  • Notify When Available

    VIDEO

    O2 Oxygen Sensor

    Replaces 2004 Subaru Legacy H4 2.5L Engine Designation EJ253 Downstream Bank 1 Sensor 2 O2 Oxygen Sensor TRQ OSA61267

    5 reviews
    Brand: TRQ - OSA61267
    $40.95
    Save 16%
    List $48.95 Save $8.00

    Guaranteed to Fit 2004 Subaru Legacy

    Guaranteed to Fit 2004 Subaru Legacy

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
2004 Subaru Legacy 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.

loading