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Parts for your 2003 Lexus Is-Headlights

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OEX Pilot Light LED Red 24v Blade Terminals - ACX2432BL
OEX

OEX Pilot Light LED Red 24v Blade Terminals - ACX2432BL

$15
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Narva Switch Panel - 62045BL

Narva Switch Panel - 62045BL

$15
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Aerpro 150 Amp ANL Fuse  - AP468

Aerpro 150 Amp ANL Fuse - AP468

$15
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OEX Rocker Switch On/Off SPST - ACX1969BL
OEX

OEX Rocker Switch On/Off SPST - ACX1969BL

$15
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Narva Micro 2 Blade Fuse 7.5A 5 Pce - 52407BL

Narva Micro 2 Blade Fuse 7.5A 5 Pce - 52407BL

$15
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Narva Micro 2 Blade Fuse 15A 5 Pce - 52415BL

Narva Micro 2 Blade Fuse 15A 5 Pce - 52415BL

$15
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Explore 4WD & Adventure

Narva Switch Mounting Panel - 63181BL

Narva Switch Mounting Panel - 63181BL

$15
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Narva Micro 2 Blade Fuse 10A 5 Pce - 52410BL

Narva Micro 2 Blade Fuse 10A 5 Pce - 52410BL

$15
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OEX Surface Panel Mount - Single - ACX5611
OEX

OEX Surface Panel Mount - Single - ACX5611

$15
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OEX Pilot Light LED Amber 24v Blade Terminals - ACX2430BL
OEX

OEX Pilot Light LED Amber 24v Blade Terminals - ACX2430BL

$15
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Eveready AA Battery Gold 4Pk - E300362205

Eveready AA Battery Gold 4Pk - E300362205

$15
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Narva Micro 2 Blade Fuse 20A 5 Pce - 52420BL

Narva Micro 2 Blade Fuse 20A 5 Pce - 52420BL

$15
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Narva ANS Fuse 60A 1 Pce - 53808BL

Narva ANS Fuse 60A 1 Pce - 53808BL

$14
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Narva Cable Tie Mount Head 4.8mm x 300mm - 25Pc - 56426

Narva Cable Tie Mount Head 4.8mm x 300mm - 25Pc - 56426

$14
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Narva Maxi Blade Fuse 100A Violet 1 Pce - 52990BL

Narva Maxi Blade Fuse 100A Violet 1 Pce - 52990BL

$14
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Reflector Rectangle Clear 44 x 94mm - 1 Pce - 2924

Reflector Rectangle Clear 44 x 94mm - 1 Pce - 2924

$14
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Narva Braided Heatshrink 10MM, 1.2 Metres, Black - 56619

Narva Braided Heatshrink 10MM, 1.2 Metres, Black - 56619

$14
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Narva ANS Fuse 150A 1 Pce - 53816BL

Narva ANS Fuse 150A 1 Pce - 53816BL

$14
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Narva Deflector Mounting Base White To Suit 916_ - 91688

Narva Deflector Mounting Base White To Suit 916_ - 91688

$14
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Reflector Rectangle Clear 32 x 70mm - 1 Pce - 2921

Reflector Rectangle Clear 32 x 70mm - 1 Pce - 2921

$14
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Narva ANS Fuse 100A 1 Pce - 53812BL

Narva ANS Fuse 100A 1 Pce - 53812BL

$14
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OEX Stud Terminal Insulator End Entry Red 10 Pce - ACX3120
OEX

OEX Stud Terminal Insulator End Entry Red 10 Pce - ACX3120

$14
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OEX Micro 2 Blade Fuse, 5A Tan - Pack of 10 - ACX1660
OEX

OEX Micro 2 Blade Fuse, 5A Tan - Pack of 10 - ACX1660

$14
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Hella Reflector Rectangle 44 X 94mm Amber 1Pce - 29222

Hella Reflector Rectangle 44 X 94mm Amber 1Pce - 29222

$14
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Narva ANS Fuse 100A 1 Pce - 53810BL

Narva ANS Fuse 100A 1 Pce - 53810BL

$14
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OEX Micro 2 Blade Fuse, 25A White - Pack of 10 - ACX1665
OEX

OEX Micro 2 Blade Fuse, 25A White - Pack of 10 - ACX1665

$14
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Narva ANS Fuse 125A 1 Pce - 53814BL

Narva ANS Fuse 125A 1 Pce - 53814BL

$14
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Amber Lens To Suit 6502 - 1650201

Amber Lens To Suit 6502 - 1650201

$14
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OEX Circuit Breaker Insulator - Red 10 Pce - ACX3142
OEX

OEX Circuit Breaker Insulator - Red 10 Pce - ACX3142

$14
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Hella Mini Blade Fuse 5A Tan 10 Pce - 8771MINI

Hella Mini Blade Fuse 5A Tan 10 Pce - 8771MINI

$13
Fitment Notes:
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Showing 5383 - 5421 of 5688 products

Understanding and Maintaining the Headlights on a 2003 Lexus IS

The 2003 Lexus IS is a luxury compact sedan that comes equipped with a well-designed set of headlights, making them an essential part of the vehicle's safety and functionality. Headlights on this model are not just a legal requirement but a crucial component for safe driving, especially during night-time or poor visibility conditions. They provide the driver with adequate illumination of the road ahead and help other road users see the vehicle clearly.

The purpose of headlights on a 2003 Lexus IS is straightforward yet vital. These lights ensure that the driver can spot obstacles, road signs, pedestrians and other vehicles in low light or bad weather. Good headlights also improve reaction time and reduce the risk of accidents. Additionally, the quality and alignment of the headlights affect the aesthetic appeal of the car and contribute to its overall road presence.

While the basic function of headlights is consistent across all vehicles, the 2003 Lexus IS uses projector-style headlights, which were advanced for its time. These lights provide a more focused beam of light compared to traditional reflector headlights, meaning better road visibility with less glare for oncoming drivers. This makes night driving safer for everyone on the road.

Maintaining the headlights on a 2003 Lexus IS should be a regular part of the vehicle's servicing routine. Over time, headlights can get foggy or yellowed due to exposure to sunlight, road debris and weather elements. This reduces the brightness of the light and can compromise safety. Regular cleaning and restoration can keep the headlights clear, bright and performing well.

Checking headlight alignment is another important maintenance step. Misaligned headlights can cause uneven road illumination, creating blind spots and also dazzling other drivers which can lead to dangerous situations. A professional alignment check during service ensures that the headlights illuminate the road correctly without causing issues for others.

Headlight bulbs themselves do not last forever and will eventually need replacement. The 2003 Lexus IS typically uses halogen bulbs, which provide a warm, bright light but have a finite life span. Signs that a bulb is due for replacement include dimming lights, flickering or complete failure to illuminate. It is always a good idea to replace bulbs in pairs to maintain even lighting on both sides.

When replacing bulbs, it is important to use the correct OEM or high-quality aftermarket parts designed specifically for the 2003 Lexus IS. This ensures compatibility, optimal brightness and longevity. Installing incorrect bulbs or low-quality alternatives can lead to poor light output, quicker failure and potential electrical issues.

Upgrading to higher performance bulbs or even LED conversion kits is an option that some owners consider, but it's essential to ensure that these upgrades comply with local road laws and regulations to avoid fines or safety hazards. Professional installation and alignment are critical with any upgrade to maintain proper beam pattern and light intensity.

One handy tip for maintaining headlights is to periodically check the headlight covers for cracks or damage. Even small cracks can allow moisture to get inside, causing the bulbs to fail prematurely or fogging the lens. Replacing damaged headlight assemblies or repairing seals promptly keeps the lights functioning properly and prevents more costly repairs down the track.

During routine vehicle servicing, mechanics often inspect the headlights as part of the standard safety check. This includes testing the bulb operation, lens condition, alignment and electrical connections. If the headlights fail any of these checks, they will advise on repairs or replacements needed to keep the vehicle safe and roadworthy.

Good headlights are a key part of the 2003 Lexus IS driving experience and should never be overlooked. They improve the driver's vision, help avoid accidents and make the car look great too. Keeping them clean, aligned and in good working order is straightforward but pays dividends in safety and peace of mind.