Enter Vehicle Year Make Model

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

Year
Make
Model
Options
Drivetrain

2003 Mercury Mountaineer Parts

What year is your
Free Same Day Shipping

2003 Mercury Mountaineer

Filter Results
  • Notify When Available

    VIDEO

    02-05 Ford Explorer; Mountaineer; 03-05 Aviator Rear Sway Bar Link Kit Pair

    Replaces 2003 Mercury Mountaineer Rear Driver & Passenger Side 2 Piece Sway Bar Link Set TRQ PSA55726

    5 reviews
    Brand: TRQ - PSA55726

    • Quantity: 2 Piece
    • Kit Includes: (1) Rear Passenger Side Sway Bar Link
    • Kit Includes: (1) Rear Driver Side Sway Bar Link
    $39.95
    Save 23%
    List $51.95 Save $12.00

    Guaranteed to Fit 2003 Mercury Mountaineer

    Guaranteed to Fit 2003 Mercury Mountaineer

  • Notify When Available

    VIDEO

    2001-07 Ford Mazda Mercury Multifit Coolant Temperature Sensor

    Replaces 2003 Mercury Mountaineer Coolant Temperature Sensor TRQ ECA92510

    2 reviews
    Brand: TRQ - ECA92510
    $27.95
    Save 3%
    List $28.95 Save $1.00

    Guaranteed to Fit 2003 Mercury Mountaineer

    Guaranteed to Fit 2003 Mercury Mountaineer

  • Notify When Available

    VIDEO

    03-05 Aviator; 02-05 Explorer, Mountainer Front Upper Control Arm w/balljoint PAIR

    Replaces 2003 Mercury Mountaineer Front Driver & Passenger Side Upper 2 Piece Control Arm with Ball Joint Set TRQ PSA62250

    25 reviews
    Brand: TRQ - PSA62250

    • Quantity: 2 Piece
    • Kit Includes: (1) Front Passenger Side Upper Control Arm with Ball Joint
    • Kit Includes: (1) Front Driver Side Upper Control Arm with Ball Joint
    $139.95
    Save 18%
    List $169.95 Save $30.00

    Guaranteed to Fit 2003 Mercury Mountaineer

    Guaranteed to Fit 2003 Mercury Mountaineer

  • 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 Mercury Mountaineer V6 4.0L Idle Air Control Valve TRQ AIA93069

    Brand: TRQ - AIA93069

    • Includes: Gasket
    $47.95
    Save 25%
    List $63.95 Save $16.00

    Guaranteed to Fit 2003 Mercury Mountaineer

    Guaranteed to Fit 2003 Mercury Mountaineer

  • Notify When Available

    VIDEO

    Window Regulator

    Replaces 2003 Mercury Mountaineer Rear Driver Side Power Power Window Motor & Regulator Assembly TRQ WRA52249

    36 reviews
    Brand: TRQ - WRA52249

    • Operation: Power
    $69.95
    Save 21%
    List $88.95 Save $19.00

    Guaranteed to Fit 2003 Mercury Mountaineer

    Guaranteed to Fit 2003 Mercury Mountaineer

  • Notify When Available

    VIDEO

    Kit image

    Replaces 2003 Mercury Mountaineer Front & Rear Ceramic Premium G-Coated Performance Brake Pad & Rotor Kit TRQ Performance BKA12212

    11 reviews
    Brand: TRQ Performance - BKA12212

    • Brake Pad Friction Material: Ceramic
    • Product Line: Performance
    • Brake Rotor Coating: Premium G-Coated
    • Kit Includes: (1) Front Ceramic Brake Pad Set
    • Kit Includes: (1) Rear Ceramic Brake Pad Set
    • Kit Includes: (1) Front Premium G-Coated Performance Brake Rotor Set
    • Kit Includes: (1) Rear Premium G-Coated Performance Brake Rotor Set
    $272.95
    Save 26%
    List $367.95 Save $95.00

    Guaranteed to Fit 2003 Mercury Mountaineer

    Guaranteed to Fit 2003 Mercury Mountaineer

  • Notify When Available

    VIDEO

    95-04 Ford; 93-02 Lincoln; 95-97 Mercury Multifit Door Jamb Switch (All Doors)

    Replaces 2003 Mercury Mountaineer To 11/30/02 Production Date Liftgate Door Jamb Switch TRQ SWA41709

    Brand: TRQ - SWA41709
    $24.95
    Save 17%
    List $29.95 Save $5.00

    Guaranteed to Fit 2003 Mercury Mountaineer

    Guaranteed to Fit 2003 Mercury Mountaineer

  • Notify When Available

    VIDEO

    95-05 Ford Lincoln Mazda Mercury Lower Ball Joint

    Replaces Front Ball Joint TRQ PSA66006

    1 reviews
    Brand: TRQ - PSA66006

    $26.95
    Save 41%
    List $45.95 Save $19.00

    Guaranteed to Fit 2003 Mercury Mountaineer

    Guaranteed to Fit 2003 Mercury Mountaineer

  • Notify When Available

    VIDEO

    Kit image

    Replaces 2003 Mercury Mountaineer Front & Rear Wheel Bearing & Hub Assembly Set TRQ BHA71564

    4 reviews
    Brand: TRQ - BHA71564

    • Kit Includes: (2) Front Wheel Bearing & Hub Assemblies
    • Kit Includes: (2) Rear Wheel Bearing & Hub Kits
    $214.95
    Save 18%
    List $262.95 Save $48.00

    Guaranteed to Fit 2003 Mercury Mountaineer

    Guaranteed to Fit 2003 Mercury Mountaineer

  • Notify When Available

    VIDEO

    Kit image

    Replaces 2003 Mercury Mountaineer Rear Ceramic Brake Pad & Rotor Kit with Calipers TRQ BKA14468

    7 reviews
    Brand: TRQ - BKA14468

    • Brake Pad Friction Material: Ceramic
    • Kit Includes: (2) Rear Brake Rotors
    • Kit Includes: (2) Rear Brake Calipers
    • Kit Includes: (1) Rear Ceramic Brake Pad Set
    $197.95
    Save 22%
    List $252.95 Save $55.00

    Guaranteed to Fit 2003 Mercury Mountaineer

    Guaranteed to Fit 2003 Mercury Mountaineer

1

...

7 8 9 10 11

...

62
Close



Mercury is a registered trademark of Ford Motor Company. 1A Auto is not affiliated with or sponsored by Mercury or Ford Motor Company. See all trademarks.
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.