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

    Ignition Kit

    Replaces 2003 Mercury Mountaineer V8 4.6L Ignition Kit TRQ ICA71941

    56 reviews
    Brand: TRQ - ICA71941

    • Kit Includes: (8) Spark Plugs
    • Spark Plug Type: Iridium
    • Kit Includes: (8) Ignition Coils
    $116.95
    Save 25%
    List $156.95 Save $40.00

    Guaranteed to Fit 2003 Mercury Mountaineer

    Guaranteed to Fit 2003 Mercury Mountaineer

  • Notify When Available

    VIDEO

    Ignition Kit

    Replaces 2003 Mercury Mountaineer V8 4.6L 16 Piece Performance Ignition Kit TRQ Performance TKA05808

    31 reviews
    Brand: TRQ Performance - TKA05808

    • Kit Includes: (8) Spark Plugs
    • Quantity: 16 Piece
    • Kit Includes: (8) Ignition Coils
    • Ignition Coil Type: Performance
    • Ignition Coil Color: Red
    • Spark Plug Type: Iridium
    $129.95
    Save 22%
    List $166.95 Save $37.00

    Guaranteed to Fit 2003 Mercury Mountaineer

    Guaranteed to Fit 2003 Mercury Mountaineer

  • Notify When Available

    VIDEO

    Ignition Coil Set

    Replaces 2003 Mercury Mountaineer V8 4.6L 8 Piece Performance Ignition Coil Set TRQ Performance ICA64251

    90 reviews
    Brand: TRQ Performance - ICA64251

    • Quantity: 8 Piece
    • Ignition Coil Type: Performance
    • Kit Includes: (8) Ignition Coils
    • Ignition Coil Color: Red
    $119.95
    Save 12%
    List $135.95 Save $16.00

    Guaranteed to Fit 2003 Mercury Mountaineer

    Guaranteed to Fit 2003 Mercury Mountaineer

  • Notify When Available

    VIDEO

    Ignition Kit

    Replaces 2003 Mercury Mountaineer V8 4.6L 16 Piece Performance Ignition Kit TRQ Performance TKA05809

    13 reviews
    Brand: TRQ Performance - TKA05809

    • Kit Includes: (8) Spark Plugs
    • Quantity: 16 Piece
    • Kit Includes: (8) Ignition Coils
    • Ignition Coil Type: Performance
    • Ignition Coil Color: Blue
    • Spark Plug Type: Iridium
    $127.95
    Save 29%
    List $179.95 Save $52.00

    Guaranteed to Fit 2003 Mercury Mountaineer

    Guaranteed to Fit 2003 Mercury Mountaineer

  • Notify When Available

    VIDEO

    Ignition Switch

    Replaces 2003 Mercury Mountaineer Ignition Switch TRQ SWA40883

    5 reviews
    Brand: TRQ - SWA40883
    $25.95
    Save 28%
    List $35.95 Save $10.00

    Guaranteed to Fit 2003 Mercury Mountaineer

    Guaranteed to Fit 2003 Mercury Mountaineer

  • Notify When Available

    VIDEO

    Serpentine Belt Idler Pulley

    Replaces 2003 Mercury Mountaineer Serpentine Belt Idler Pulley TRQ BPA04024

    2 reviews
    Brand: TRQ - BPA04024

    $26.95
    Save 21%
    List $33.95 Save $7.00

    Guaranteed to Fit 2003 Mercury Mountaineer

    Guaranteed to Fit 2003 Mercury Mountaineer

  • 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
    $70.95
    Save 8%
    List $76.95 Save $6.00

    Guaranteed to Fit 2003 Mercury Mountaineer

    Guaranteed to Fit 2003 Mercury Mountaineer

  • Notify When Available
    97-08 Ford Lincoln Mazda Mercury w/4WD Front Driveshaft Rear CV Joint Repair Kit

    Replaces 2003 Mercury Mountaineer Front Drive Shaft Rearward CV Joint Rebuild Kit TRQ CRA92737

    17 reviews
    Brand: TRQ - CRA92737
    $65.95
    Save 16%
    List $78.95 Save $13.00

    Guaranteed to Fit 2003 Mercury Mountaineer

    Guaranteed to Fit 2003 Mercury Mountaineer

  • Notify When Available

    VIDEO

    Steering Column Shift Linkage Coupler

    Replaces 2003 Mercury Mountaineer with Column Shift with Tilt Steering Wheel Steering Column Shift Linkage Coupler TRQ INA81613

    Brand: TRQ - INA81613
    $28.95
    Save 15%
    List $33.95 Save $5.00

    Guaranteed to Fit 2003 Mercury Mountaineer

    Guaranteed to Fit 2003 Mercury Mountaineer

  • Notify When Available

    VIDEO

    Coolant Temperature Sensor

    Replaces 2003 Mercury Mountaineer Coolant Temperature Sensor TRQ ESA19556

    Brand: TRQ - ESA19556
    $24.95
    Save 17%
    List $29.95 Save $5.00

    Guaranteed to Fit 2003 Mercury Mountaineer

    Guaranteed to Fit 2003 Mercury Mountaineer

1

...

1 2 3 4 5

...

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.