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
OEX Resin Core Solder 1.6mm Tin 50/Lead 50 500g - ACX6151
OEX

OEX Resin Core Solder 1.6mm Tin 50/Lead 50 500g - ACX6151

$80
Fitment Notes:
See More
Britax In Line Connector 2 Pole 1 Kit - B62-A

Britax In Line Connector 2 Pole 1 Kit - B62-A

$43
Fitment Notes:
See More

Explore 4WD & Adventure

HELLA Reflector Rectangle Red 44 x 94mm - 1 Pce - 2923

HELLA Reflector Rectangle Red 44 x 94mm - 1 Pce - 2923

$11
Fitment Notes:
See More
Energizer A27 Battery 12V 1Pk - E000051200

Energizer A27 Battery 12V 1Pk - E000051200

$8
Fitment Notes:
See More
Narva Mini & Micro Blade Fuse Puller - 54492BL

Narva Mini & Micro Blade Fuse Puller - 54492BL

$8
Fitment Notes:
See More
Narva Reverse Light Incandescent Pad Mount - 86080

Narva Reverse Light Incandescent Pad Mount - 86080

$31
Fitment Notes:
See More
Redarc DC to DC Battery Charger 12V 50A - BCDC1250D

Redarc DC to DC Battery Charger 12V 50A - BCDC1250D

$947
Fitment Notes:
See More
OEX Rechargeable Magnetic Bar Light With Motion Sensor
OEX

OEX Rechargeable Magnetic Bar Light With Motion Sensor

$96
Fitment Notes:
See More
OEX Crimp Terminal Assortment Kit 182 Pieces - ACX3103
OEX

OEX Crimp Terminal Assortment Kit 182 Pieces - ACX3103

$55
Fitment Notes:
See More
Repco Oil Pressure Switch Socket - RST181

Repco Oil Pressure Switch Socket - RST181

$17
Fitment Notes:
See More
OEX Mega Fuse, 225A Bolt On - Single Pack - ACX6526BL
OEX

OEX Mega Fuse, 225A Bolt On - Single Pack - ACX6526BL

$16
Fitment Notes:
See More
Narva Glass Fuse 3AG 35A 5Pk - 52335BL

Narva Glass Fuse 3AG 35A 5Pk - 52335BL

$6
Fitment Notes:
See More
Narva Marine Waterproof Switch Panel - 63198BL

Narva Marine Waterproof Switch Panel - 63198BL

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

Narva 12V Relay 5 Pin 30A - 68024BL

$32
Fitment Notes:
See More
Narva Reflector Rectangle Red 28 x 70mm - 2 Pce - 84037BL

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

$23
Fitment Notes:
See More
Hella Black Magic 6.2 inch LED Light Bar - 1FB358176211

Hella Black Magic 6.2 inch LED Light Bar - 1FB358176211

$144
Fitment Notes:
See More
OEX 240A Bus Bar 12 Terminals - Red - ACX3148
OEX

OEX 240A Bus Bar 12 Terminals - Red - ACX3148

$140
Fitment Notes:
See More
VDO Temperature Sensor 1/8 - 27NPT Stud Terminals - 320.093
VDO

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

$75
Fitment Notes:
See More
Stedi G4 Black Worklight Spot Beam 8° - ST-04-G4-001

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

$150
Fitment Notes:
See More
Hella Air Horn 24V 117dB - 6027

Hella Air Horn 24V 117dB - 6027

$101
Fitment Notes:
See More
Narva Fusible Link  L Type 120A White 1 Pce - 53392BL

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

$16
Fitment Notes:
See More
Narva 12V LED Plug & Play Trailer Lamp Kit - 93540BL2

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

$264
Fitment Notes:
See More
Showing 586 - 624 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.