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Parts for your 2003 Ford Focus-Headlight bulbs

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Narva Marine Waterproof Switch Panel - 63198BL

Narva Marine Waterproof Switch Panel - 63198BL

$83
Fitment Notes:
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Narva 12V Relay 5 Pin 30A - 68024BL

Narva 12V Relay 5 Pin 30A - 68024BL

$32
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Narva Reflector Rectangle Red 28 x 70mm - 2 Pce - 84037BL

Narva Reflector Rectangle Red 28 x 70mm - 2 Pce - 84037BL

$23
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Hella Black Magic 6.2 inch LED Light Bar - 1FB358176211

Hella Black Magic 6.2 inch LED Light Bar - 1FB358176211

$144
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OEX 240A Bus Bar 12 Terminals - Red - ACX3148
OEX

OEX 240A Bus Bar 12 Terminals - Red - ACX3148

$140
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Explore 4WD & Adventure

VDO Temperature Sensor 1/8 - 27NPT Stud Terminals - 320.093
VDO

VDO Temperature Sensor 1/8 - 27NPT Stud Terminals - 320.093

$75
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Stedi G4 Black Worklight Spot Beam 8° - ST-04-G4-001

Stedi G4 Black Worklight Spot Beam 8° - ST-04-G4-001

$150
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Hella Air Horn 24V 117dB - 6027

Hella Air Horn 24V 117dB - 6027

$101
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Narva Fusible Link  L Type 120A White 1 Pce - 53392BL

Narva Fusible Link L Type 120A White 1 Pce - 53392BL

$16
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Trisco Electric Oil Pressure Gauge - GO520

Trisco Electric Oil Pressure Gauge - GO520

$121
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Narva 12V LED Plug & Play Trailer Lamp Kit - 93540BL2

Narva 12V LED Plug & Play Trailer Lamp Kit - 93540BL2

$264
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OEX Coloured Cable Tie Assortment - 1000 Pc - ACX1330
OEX

OEX Coloured Cable Tie Assortment - 1000 Pc - ACX1330

$54
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Energizer Coin Battery 1216 3V 1Pk - CR1216

Energizer Coin Battery 1216 3V 1Pk - CR1216

$14
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Narva Q.C Connector 2 Pole 1 Kit - 56272BL

Narva Q.C Connector 2 Pole 1 Kit - 56272BL

$8
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Narva Standard Blade Fuse Assortment 5 Pce - 52800BL

Narva Standard Blade Fuse Assortment 5 Pce - 52800BL

$6
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ANTI THEFT LOCK NUTS M12X1.75 PK2
Clearance

ANTI THEFT LOCK NUTS M12X1.75 PK2

$15
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Narva 12V Driving Light Harness - 74401

Narva 12V Driving Light Harness - 74401

$117
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Stedi G2 Black Worklight - ST-04-G2-001

Stedi G2 Black Worklight - ST-04-G2-001

$123
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OEX - LED Worklight 4 LED Flood beam - ACX5707
OEX

OEX - LED Worklight 4 LED Flood beam - ACX5707

$50
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Projecta Brass Battery Terminal Stud Positive - BT10-P1

Projecta Brass Battery Terminal Stud Positive - BT10-P1

$19
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OEX Maxi Blade Fuse, 30A Green - Single Pack - ACX1626BL
OEX

OEX Maxi Blade Fuse, 30A Green - Single Pack - ACX1626BL

$12
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Century VRLA Battery - PS12400
Clearance

Century VRLA Battery - PS12400

$99
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Showing 586 - 624 of 5636 products

Headlight Bulb Replacement and Maintenance for Your 2003 Ford Focus

Your 2003 Ford Focus is equipped with essential features, and among the most crucial are its headlight bulbs. These bulbs are typically halogen types, which provide the necessary illumination for night driving and poor weather conditions. Ensuring the proper functioning of these headlights is vital for safe driving. Replacing or maintaining them isn't just a part of your vehicle's servicing routine, it's a way to secure visibility and safety on the road.

Let's dive into the process of how you can personally replace and maintain the headlight bulbs on your 2003 Ford Focus, ensuring you can handle this common task with confidence and ease.

  1. Tools You'll Need:
    • Phillips-head screwdriver
    • A pair of latex or nitrile gloves
    • Replacement headlight bulbs (typically H4 for the main headlights in a 2003 Ford Focus)
  2. Preparation:
    • Park your car on a flat surface, and ensure the parking brake is engaged.
    • Turn off the vehicle's ignition and ensure the headlights are in the off position.
    • Open the bonnet of the car to access the headlight assembly.
  3. Removing the Old Bulb:
    • Locate the back of the headlight assembly, which should be accessible from under the bonnet.
    • Disconnect the power connector from the back of the bulb. You might need to gently wiggle it free.
    • Remove the weather cover or cap behind the bulb if present.
    • Undo the retaining clip or ring securing the bulb. This will vary depending on the assembly design.
    • Carefully extract the old bulb, ensuring not to drop it, as shattered glass can be hazardous.
  4. Installing the New Bulb:
    • Before handling the new bulb, put on your gloves to prevent oils and dirt from your skin damaging the bulb when it heats up.
    • Align the new bulb correctly with the headlight housing.
    • Secure it with the retaining clip or ring you previously removed.
    • Reattach the weather cover or cap if there is one.
    • Reconnect the power connector to the back of the bulb.
  5. Testing and Adjustments:
    • Once the bulb is installed, turn on the ignition and test the lights to ensure they've been installed correctly and are functioning.
    • Check the beam alignment. You can do this by parking your car about 7 metres from a wall and observing the beam pattern. It should be level and even on both sides. If needed, an adjustment can usually be made via screws on the headlight assembly.

Regular maintenance is vital to keep your headlights in top condition. Besides bulb replacement, occasionally cleaning the headlight lenses can improve light output significantly. Foggy or yellowed lenses should be polished or replaced to maintain clear and bright lighting. Check the operation of the lights periodically, especially before long journeys or when harsher weather conditions are prevalent.

By following these steps, you'll extend the life of your new bulbs, ensure optimal performance, and maintain the safety features of your 2003 Ford Focus. As straightforward as it might seem, taking the time to do this yourself saves on repair costs and enhances your understanding of vehicle maintenance. Regular inspections and timely replacements are keystone habits for any reliable car owner.