Skip to content Skip to navigation menu

Your Selected Vehicle

Brands

Show More Show Less

Price

Parts for your 2003 Lexus Is-Headlights

Sort by
Repco Jumper Leads 750A 3.5m - RBCBL750S2

Repco Jumper Leads 750A 3.5m - RBCBL750S2

$179
Fitment Notes:
See More
Repco Jumper Leads 400A with LED Lights 2.5m - RBCBL400S2

Repco Jumper Leads 400A with LED Lights 2.5m - RBCBL400S2

$48
Fitment Notes:
See More
GearUp AAA Battery Alkaline 18pk - GUAAA-18

GearUp AAA Battery Alkaline 18pk - GUAAA-18

$13
Fitment Notes:
See More

Explore 4WD & Adventure

Repco Jumper Leads 200A with LED Lights 2.5m - RBCBL200S2

Repco Jumper Leads 200A with LED Lights 2.5m - RBCBL200S2

$40
Fitment Notes:
See More
Projecta Battery Terminal Shims 2pk - BTS-2

Projecta Battery Terminal Shims 2pk - BTS-2

$9
Fitment Notes:
See More
Adhesive PVC Insulation Tape - 56830BK

Adhesive PVC Insulation Tape - 56830BK

$6
Fitment Notes:
See More
OEX H4 Head Light Connector - ACX2583
OEX

OEX H4 Head Light Connector - ACX2583

$12
Fitment Notes:
See More
OEX Mega Fuse, 40A Bolt On - Pack of 5 - ACX6518
OEX

OEX Mega Fuse, 40A Bolt On - Pack of 5 - ACX6518

$54
Fitment Notes:
See More
OEX Spiral Wrap ID: 6mm - 10m Roll - ACX1182
OEX

OEX Spiral Wrap ID: 6mm - 10m Roll - ACX1182

$13
Fitment Notes:
See More
NOCO 2000A Jump Starter and 22A Air Inflator - AX65

NOCO 2000A Jump Starter and 22A Air Inflator - AX65

$663
Fitment Notes:
See More
NOCO Genius 6v/12v 2A Battery Charger - GENIUS2AU

NOCO Genius 6v/12v 2A Battery Charger - GENIUS2AU

$110
Fitment Notes:
See More
OEX H7 Head Light Connector - ACX2585
OEX

OEX H7 Head Light Connector - ACX2585

$13
Fitment Notes:
See More
OEX Jumper Leads 900A 0 B&S Weldflex 4m - ACX0497
OEX

OEX Jumper Leads 900A 0 B&S Weldflex 4m - ACX0497

$460
Fitment Notes:
See More
CTEK Battery Charger 12v 0.8 Amp 6 Stage - XS0.8

CTEK Battery Charger 12v 0.8 Amp 6 Stage - XS0.8

$139
Fitment Notes:
See More
OEX Relay Base Suits 4 or 5 Pin Relays - ACX1997BL
OEX

OEX Relay Base Suits 4 or 5 Pin Relays - ACX1997BL

$10
Fitment Notes:
See More
Stedi EVO 22 inch LED Light Bar - ST-02-EVO-022

Stedi EVO 22 inch LED Light Bar - ST-02-EVO-022

$1,149
Fitment Notes:
See More
OEX Standard Blade Fuse, 15A Blue - Pack of 5 - ACX1604BL
OEX

OEX Standard Blade Fuse, 15A Blue - Pack of 5 - ACX1604BL

$7
Fitment Notes:
See More
OEX Disc Horn 12V 100dB - ACX5119
OEX

OEX Disc Horn 12V 100dB - ACX5119

$33
Fitment Notes:
See More
MaxiTrac 150W Modified Sine Wave Inverter - MTMSW150

MaxiTrac 150W Modified Sine Wave Inverter - MTMSW150

$122
Fitment Notes:
See More
NOCO GB70 Jump Starter EVA Protective Case - GBC014

NOCO GB70 Jump Starter EVA Protective Case - GBC014

$62
Fitment Notes:
See More
Stedi Micro V2 7.8 Inch 12 LED Flood Light - LED3520-7-18W

Stedi Micro V2 7.8 Inch 12 LED Flood Light - LED3520-7-18W

$79
Fitment Notes:
See More
Showing 79 - 117 of 5690 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.