Enter Vehicle Year Make Model

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

Year
Make
Model
Options
Drivetrain

2003 Ford Focus Engine & Engine Management

What year is your
Free Same Day Shipping

2003 Ford Focus Engine & Engine Management

Filter Results
  • Notify When Available

    VIDEO

    00-11 Ford Multifit w/L4; 01-10 Mazda B2300; 05-08 Mariner w/2.3L Throttle Position Sensor

    Replaces Throttle Position Sensor TRQ ESA94898

    3 reviews
    Brand: TRQ
    - ESA94898

    $23.00
    Save 28%
    List $31.95 Save $8.95

    Guaranteed to Fit 2003 Ford Focus

    Guaranteed to Fit 2003 Ford Focus

    Replaces Throttle Position Sensor TRQ ESA94898

    VIDEO

    00-11 Ford Multifit w/L4; 01-10 Mazda B2300; 05-08 Mariner w/2.3L Throttle Position Sensor
    3 reviews
    Brand: TRQ - ESA94898
    $23.00
    Save 28%
    List $31.95 Save $8.95

    Guaranteed to Fit 2003 Ford Focus

    Guaranteed to Fit 2003 Ford Focus

  • Notify When Available

    VIDEO

    Transmission Mount

    Replaces Driver Side Transmission Mount TRQ MTA70747

    1 reviews
    Brand: TRQ
    - MTA70747

    • Includes: Bracket
    $54.95
    Save 14%
    List $63.95 Save $9.00

    Guaranteed to Fit 2003 Ford Focus

    Guaranteed to Fit 2003 Ford Focus

    Replaces Driver Side Transmission Mount TRQ MTA70747

    VIDEO

    Transmission Mount
    1 reviews
    Brand: TRQ - MTA70747
    • Includes: Bracket
    $54.95
    Save 14%
    List $63.95 Save $9.00

    Guaranteed to Fit 2003 Ford Focus

    Guaranteed to Fit 2003 Ford Focus

  • Notify When Available

    VIDEO

    Kit image

    Replaces 2003 Ford Focus L4 2.3L 4 Piece Ignition Coil Set TRQ ICA61540

    28 reviews
    Brand: TRQ
    - ICA61540

    • Quantity: 4 Piece
    • Kit Includes: (4) Ignition Coils
    • Ignition Coil Type: Direct Replacement
    • Ignition Coil Color: Black
    $76.95
    Save 13%
    List $87.95 Save $11.00

    Guaranteed to Fit 2003 Ford Focus

    Guaranteed to Fit 2003 Ford Focus

    Replaces 2003 Ford Focus L4 2.3L 4 Piece Ignition Coil Set TRQ ICA61540

    VIDEO

    Kit image
    28 reviews
    Brand: TRQ - ICA61540
    • Quantity: 4 Piece
    • Kit Includes: (4) Ignition Coils
    • Ignition Coil Type: Direct Replacement
    • Ignition Coil Color: Black
    $76.95
    Save 13%
    List $87.95 Save $11.00

    Guaranteed to Fit 2003 Ford Focus

    Guaranteed to Fit 2003 Ford Focus

  • Notify When Available

    VIDEO

    Ignition Coil

    Replaces 2003 Ford Focus L4 2.0L Ignition Coil TRQ ICA61393

    9 reviews
    Brand: TRQ
    - ICA61393

    • Ignition Coil Type: Direct Replacement
    • Ignition Coil Color: Black
    $51.95
    Save 19%
    List $63.95 Save $12.00

    Guaranteed to Fit 2003 Ford Focus

    Guaranteed to Fit 2003 Ford Focus

    Replaces 2003 Ford Focus L4 2.0L Ignition Coil TRQ ICA61393

    VIDEO

    Ignition Coil
    9 reviews
    Brand: TRQ - ICA61393
    • Ignition Coil Type: Direct Replacement
    • Ignition Coil Color: Black
    $51.95
    Save 19%
    List $63.95 Save $12.00

    Guaranteed to Fit 2003 Ford Focus

    Guaranteed to Fit 2003 Ford Focus

  • Notify When Available

    VIDEO

    Spark Plug Set

    Replaces 2003 Ford Focus L4 2.3L 4 Piece Spark Plug Set TRQ SPA02193

    2 reviews
    Brand: TRQ
    - SPA02193

    • Quantity: 4 Piece
    • Spark Plug Type: Iridium
    • Kit Includes: (4) Spark Plugs
    $44.95
    Save 10%
    List $49.95 Save $5.00

    Guaranteed to Fit 2003 Ford Focus

    Guaranteed to Fit 2003 Ford Focus

    Replaces 2003 Ford Focus L4 2.3L 4 Piece Spark Plug Set TRQ SPA02193

    VIDEO

    Spark Plug Set
    2 reviews
    Brand: TRQ - SPA02193
    • Quantity: 4 Piece
    • Spark Plug Type: Iridium
    • Kit Includes: (4) Spark Plugs
    $44.95
    Save 10%
    List $49.95 Save $5.00

    Guaranteed to Fit 2003 Ford Focus

    Guaranteed to Fit 2003 Ford Focus

  • Notify When Available

    VIDEO

    Coolant Temperature Sensor

    Replaces 2003 Ford Focus Coolant Temperature Sensor TRQ ESA19556

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

    Guaranteed to Fit 2003 Ford Focus

    Guaranteed to Fit 2003 Ford Focus

    Replaces 2003 Ford Focus Coolant Temperature Sensor TRQ ESA19556

    VIDEO

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

    Guaranteed to Fit 2003 Ford Focus

    Guaranteed to Fit 2003 Ford Focus

  • Notify When Available

    VIDEO

    Pulley

    Replaces Pulley TRQ BPA03846

    1 reviews
    Brand: TRQ
    - BPA03846

    • Pulley Type: Smooth
    $29.95
    Save 14%
    List $34.95 Save $5.00

    Guaranteed to Fit 2003 Ford Focus

    Guaranteed to Fit 2003 Ford Focus

    Replaces Pulley TRQ BPA03846

    VIDEO

    Pulley
    1 reviews
    Brand: TRQ - BPA03846
    • Pulley Type: Smooth
    $29.95
    Save 14%
    List $34.95 Save $5.00

    Guaranteed to Fit 2003 Ford Focus

    Guaranteed to Fit 2003 Ford Focus

  • Notify When Available

    VIDEO

    Alternator

    Replaces 2003 Ford Focus L4 2.0L 8th Vin Digit P Alternator TRQ ALA94413

    1 reviews
    Brand: TRQ
    - ALA94413

    $142.95
    Save 22%
    List $183.95 Save $41.00

    Guaranteed to Fit 2003 Ford Focus

    Guaranteed to Fit 2003 Ford Focus

    Replaces 2003 Ford Focus L4 2.0L 8th Vin Digit P Alternator TRQ ALA94413

    VIDEO

    Alternator
    1 reviews
    Brand: TRQ - ALA94413
    $142.95
    Save 22%
    List $183.95 Save $41.00

    Guaranteed to Fit 2003 Ford Focus

    Guaranteed to Fit 2003 Ford Focus

  • Notify When Available
    Ignition Kit

    Replaces 2003 Ford Focus SVT 6 Piece Ignition Kit TRQ TKA06320

    Brand: TRQ
    - TKA06320

    • Kit Includes: (1) Spark Plug Wire Set
    • Quantity: 6 Piece
    • Kit Includes: (4) Spark Plugs
    • Kit Includes: (1) Ignition Coil
    • Ignition Coil Type: Direct Replacement
    • Ignition Coil Color: Black
    • Spark Plug Type: Iridium
    $89.95
    Save 24%
    List $118.95 Save $29.00

    Guaranteed to Fit 2003 Ford Focus

    Guaranteed to Fit 2003 Ford Focus

    Replaces 2003 Ford Focus SVT 6 Piece Ignition Kit TRQ TKA06320

    Ignition Kit
    Brand: TRQ - TKA06320
    • Kit Includes: (1) Spark Plug Wire Set
    • Quantity: 6 Piece
    • Kit Includes: (4) Spark Plugs
    • Kit Includes: (1) Ignition Coil
    • Ignition Coil Type: Direct Replacement
    • Ignition Coil Color: Black
    • Spark Plug Type: Iridium
    $89.95
    Save 24%
    List $118.95 Save $29.00

    Guaranteed to Fit 2003 Ford Focus

    Guaranteed to Fit 2003 Ford Focus

  • Notify When Available
    Serpentine Belt Idler Pulley

    Replaces 2003 Ford Focus L4 2.0L DOHC Serpentine Belt Idler Pulley TRQ BPA03849

    Brand: TRQ
    - BPA03849

    $26.95
    Save 25%
    List $35.95 Save $9.00

    Guaranteed to Fit 2003 Ford Focus

    Guaranteed to Fit 2003 Ford Focus

    Replaces 2003 Ford Focus L4 2.0L DOHC Serpentine Belt Idler Pulley TRQ BPA03849

    Serpentine Belt Idler Pulley
    Brand: TRQ - BPA03849
    $26.95
    Save 25%
    List $35.95 Save $9.00

    Guaranteed to Fit 2003 Ford Focus

    Guaranteed to Fit 2003 Ford Focus

1

...

1 2 3 4 5

...

8
Close



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