Enter Vehicle Year Make Model

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

Year
Make
Model
Options
Drivetrain

2018 Mazda 3 Emissions & Sensors

What year is your
Free Same Day Shipping

2018 Mazda 3 Emissions & Sensors

Filter Results
  • Notify When Available

    VIDEO

    O2 Oxygen Sensor Set

    Replaces 2 Piece O2 Oxygen Sensor Set TRQ OSA61821

    2 reviews
    Brand: TRQ - OSA61821

    • Quantity: 2 Piece
    • Kit Includes: (1) Upstream O2 Oxygen Sensor
    • Kit Includes: (1) Downstream O2 Oxygen Sensor
    $109.95
    Save 13%
    List $126.95 Save $17.00

    Guaranteed to Fit 2018 Mazda 3

    Guaranteed to Fit 2018 Mazda 3

  • Notify When Available

    VIDEO

    13-15 Mazda 3; 6; CX5 Oxygen Sensor

    Replaces O2 Oxygen Sensor TRQ OSA61682

    1 reviews
    Brand: TRQ - OSA61682

    $47.95
    Save 17%
    List $57.95 Save $10.00

    Guaranteed to Fit 2018 Mazda 3

    Guaranteed to Fit 2018 Mazda 3

  • Notify When Available

    VIDEO

    O2 Oxygen Sensor

    Replaces O2 Oxygen Sensor TRQ OSA60675

    2 reviews
    Brand: TRQ - OSA60675

    $85.95
    Save 17%
    List $103.95 Save $18.00

    Guaranteed to Fit 2018 Mazda 3

    Guaranteed to Fit 2018 Mazda 3

  • Notify When Available

    VIDEO

    Mass Air Flow Sensor - Delphi

    Replaces 2018 Mazda 3 Mass Air Flow Sensor Delphi AF10659

    Brand: Delphi - AF10659

    $82.95
    Save 48%
    List $159.95 Save $77.00

    Guaranteed to Fit 2018 Mazda 3

    Guaranteed to Fit 2018 Mazda 3

  • Notify When Available

    VIDEO

    MAP Sensor - Delphi

    Replaces MAP Sensor Delphi PS20063

    Brand: Delphi - PS20063

    Out of Stock

    $ 56.95

    Guaranteed to Fit 2018 Mazda 3

    Guaranteed to Fit 2018 Mazda 3

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
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.