SEARCH BY VEHICLE:
Enter Vehicle Year Make Model

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

Year
Make
Model
Options
Drivetrain

2003 Ford Explorer Emissions & Sensors

What year is your
Free Same Day Shipping

2003 Ford Explorer Emissions & Sensors

Filter Results
  • Notify When Available

    VIDEO

    O2 Oxygen Sensor Set

    Replaces 4 Piece O2 Oxygen Sensor Set TRQ OSA61637

    33 reviews
    Brand: TRQ
    - OSA61637

    • Quantity: 4 Piece
    • Kit Includes: (2) Downstream O2 Oxygen Sensors
    • Kit Includes: (2) Upstream O2 Oxygen Sensors
    $119.95
    Save 12%
    List $135.95 Save $16.00

    Guaranteed to Fit 2003 Ford Explorer

    Guaranteed to Fit 2003 Ford Explorer

    Replaces 4 Piece O2 Oxygen Sensor Set TRQ OSA61637

    VIDEO

    O2 Oxygen Sensor Set
    33 reviews
    Brand: TRQ - OSA61637
    • Quantity: 4 Piece
    • Kit Includes: (2) Downstream O2 Oxygen Sensors
    • Kit Includes: (2) Upstream O2 Oxygen Sensors
    $119.95
    Save 12%
    List $135.95 Save $16.00

    Guaranteed to Fit 2003 Ford Explorer

    Guaranteed to Fit 2003 Ford Explorer

  • 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 2003 Ford Explorer

    Guaranteed to Fit 2003 Ford Explorer

    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 2003 Ford Explorer

    Guaranteed to Fit 2003 Ford Explorer

  • Notify When Available

    VIDEO

    O2 Oxygen Sensor

    Replaces O2 Oxygen Sensor TRQ OSA61313

    17 reviews
    Brand: TRQ
    - OSA61313

    $49.95
    Save 14%
    List $57.95 Save $8.00

    Guaranteed to Fit 2003 Ford Explorer

    Guaranteed to Fit 2003 Ford Explorer

    Replaces O2 Oxygen Sensor TRQ OSA61313

    VIDEO

    O2 Oxygen Sensor
    17 reviews
    Brand: TRQ - OSA61313
    $49.95
    Save 14%
    List $57.95 Save $8.00

    Guaranteed to Fit 2003 Ford Explorer

    Guaranteed to Fit 2003 Ford Explorer

  • Notify When Available

    VIDEO

    O2 Oxygen Sensor

    Replaces O2 Oxygen Sensor TRQ OSA61327

    13 reviews
    Brand: TRQ
    - OSA61327

    $39.95
    Save 18%
    List $48.95 Save $9.00

    Guaranteed to Fit 2003 Ford Explorer

    Guaranteed to Fit 2003 Ford Explorer

    Replaces O2 Oxygen Sensor TRQ OSA61327

    VIDEO

    O2 Oxygen Sensor
    13 reviews
    Brand: TRQ - OSA61327
    $39.95
    Save 18%
    List $48.95 Save $9.00

    Guaranteed to Fit 2003 Ford Explorer

    Guaranteed to Fit 2003 Ford Explorer

  • Notify When Available

    VIDEO

    Mass Air Flow Sensor

    Replaces 2003 Ford Explorer V6 4.0L Mass Air Flow Sensor TRQ ESA48417

    Brand: TRQ
    - ESA48417

    $74.95
    Save 26%
    List $101.95 Save $27.00

    Guaranteed to Fit 2003 Ford Explorer

    Guaranteed to Fit 2003 Ford Explorer

    Replaces 2003 Ford Explorer V6 4.0L Mass Air Flow Sensor TRQ ESA48417

    VIDEO

    Mass Air Flow Sensor
    Brand: TRQ - ESA48417
    $74.95
    Save 26%
    List $101.95 Save $27.00

    Guaranteed to Fit 2003 Ford Explorer

    Guaranteed to Fit 2003 Ford Explorer

  • Notify When Available

    VIDEO

    02-08 Explorer, Mountneer w/4.0L, 4.6L; 04-07 Freestar, Monterey w/3.9L, 4.2L Idle Air Speed Control

    Replaces 2003 Ford Explorer 4 Door V6 4.0L Idle Air Control Valve TRQ AIA93069

    Brand: TRQ
    - AIA93069

    • Includes: Gasket
    $38.95
    Save 39%
    List $63.95 Save $25.00

    Guaranteed to Fit 2003 Ford Explorer

    Guaranteed to Fit 2003 Ford Explorer

    Replaces 2003 Ford Explorer 4 Door V6 4.0L Idle Air Control Valve TRQ AIA93069

    VIDEO

    02-08 Explorer, Mountneer w/4.0L, 4.6L; 04-07 Freestar, Monterey w/3.9L, 4.2L Idle Air Speed Control
    Brand: TRQ - AIA93069
    • Includes: Gasket
    $38.95
    Save 39%
    List $63.95 Save $25.00

    Guaranteed to Fit 2003 Ford Explorer

    Guaranteed to Fit 2003 Ford Explorer

  • Notify When Available

    VIDEO

    Kit image

    Replaces O2 Oxygen Sensor TRQ OSA61631

    3 reviews
    Brand: TRQ
    - OSA61631

    • Includes: Installation Tool
    • Kit Includes: (1) O2 Oxygen Sensor
    • Kit Includes: (1) Heavy Duty Oxygen Sensor Install Socket
    $59.95
    Save 22%
    List $76.95 Save $17.00

    Guaranteed to Fit 2003 Ford Explorer

    Guaranteed to Fit 2003 Ford Explorer

    Replaces O2 Oxygen Sensor TRQ OSA61631

    VIDEO

    Kit image
    3 reviews
    Brand: TRQ - OSA61631
    • Includes: Installation Tool
    • Kit Includes: (1) O2 Oxygen Sensor
    • Kit Includes: (1) Heavy Duty Oxygen Sensor Install Socket
    $59.95
    Save 22%
    List $76.95 Save $17.00

    Guaranteed to Fit 2003 Ford Explorer

    Guaranteed to Fit 2003 Ford Explorer

  • 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
    $64.95
    Save 8%
    List $70.95 Save $6.00

    Guaranteed to Fit 2003 Ford Explorer

    Guaranteed to Fit 2003 Ford Explorer

    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
    $64.95
    Save 8%
    List $70.95 Save $6.00

    Guaranteed to Fit 2003 Ford Explorer

    Guaranteed to Fit 2003 Ford Explorer

  • Notify When Available

    VIDEO

    EGR Valve

    Replaces EGR Valve TRQ EGA48376

    Brand: TRQ
    - EGA48376

    $69.95
    Save 27%
    List $95.95 Save $26.00

    Guaranteed to Fit 2003 Ford Explorer

    Guaranteed to Fit 2003 Ford Explorer

    Replaces EGR Valve TRQ EGA48376

    VIDEO

    EGR Valve
    Brand: TRQ - EGA48376
    $69.95
    Save 27%
    List $95.95 Save $26.00

    Guaranteed to Fit 2003 Ford Explorer

    Guaranteed to Fit 2003 Ford Explorer

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
Select Your Vehicle

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

Year
Make
Model
Options
Drivetrain

This part does not fit a

.
Show parts that fit