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
Narva Switch Panel Dual - 62046BL

Narva Switch Panel Dual - 62046BL

$12
Fitment Notes:
See More
Narva Fuse ANS 60A 1 Pce - 53808

Narva Fuse ANS 60A 1 Pce - 53808

$12
Fitment Notes:
See More
Narva Fuse ANS 150A 1 Pce - 53816

Narva Fuse ANS 150A 1 Pce - 53816

$12
Fitment Notes:
See More
Hella Standard Blade Fuse 7.5A Brown 10Pce - 8772

Hella Standard Blade Fuse 7.5A Brown 10Pce - 8772

$11
Fitment Notes:
See More
Narva Braided Heatshrink 6MM, 1.2 Metres, Black - 56615

Narva Braided Heatshrink 6MM, 1.2 Metres, Black - 56615

$11
Fitment Notes:
See More

Explore 4WD & Adventure

Narva P Clip 9.5mm ID Plastic 5Pc - 56584BL

Narva P Clip 9.5mm ID Plastic 5Pc - 56584BL

$10
Fitment Notes:
See More
Narva Q.C Connector 3 Pole 1 Kit - 56273BL

Narva Q.C Connector 3 Pole 1 Kit - 56273BL

$9
Fitment Notes:
See More
Narva ANG Fuse Strips 40A 10 Pce - 54003

Narva ANG Fuse Strips 40A 10 Pce - 54003

$8
Fitment Notes:
See More
OEX Cover Suits Anderson Style 350A Connector 1Pce - ACX2764C
OEX

OEX Cover Suits Anderson Style 350A Connector 1Pce - ACX2764C

$8
Fitment Notes:
See More
Narva Mini Blade Fuse 5A Orange 5 Pce - 52705BL

Narva Mini Blade Fuse 5A Orange 5 Pce - 52705BL

$8
Fitment Notes:
See More
Narva Mini Blade Fuse 20A Yellow 5 Pce - 52720BL

Narva Mini Blade Fuse 20A Yellow 5 Pce - 52720BL

$8
Fitment Notes:
See More
Narva Mini Blade Fuse 10A Red 5 Pce - 52710BL

Narva Mini Blade Fuse 10A Red 5 Pce - 52710BL

$8
Fitment Notes:
See More
OEX QC Connector Male/Female White 3 Pole - 1 Kit - ACX2694BL
OEX

OEX QC Connector Male/Female White 3 Pole - 1 Kit - ACX2694BL

$8
Fitment Notes:
See More
OEX Standard Blade Fuse, 25A White - Pack of 5 - ACX1606BL
OEX

OEX Standard Blade Fuse, 25A White - Pack of 5 - ACX1606BL

$8
Fitment Notes:
See More
Narva Glass Fuse Sfe 14A 5Pk - 52414BL

Narva Glass Fuse Sfe 14A 5Pk - 52414BL

$7
Fitment Notes:
See More
Narva Cable Lug 10mm2 10mm Stud Straight Barrel - 57152BL

Narva Cable Lug 10mm2 10mm Stud Straight Barrel - 57152BL

$6
Fitment Notes:
See More
Narva Glass Fuse 3AG 25A 5Pk - 52325BL

Narva Glass Fuse 3AG 25A 5Pk - 52325BL

$6
Fitment Notes:
See More
Narva Glass Fuse 3AG 3A 5Pk - 52303BL

Narva Glass Fuse 3AG 3A 5Pk - 52303BL

$6
Fitment Notes:
See More
Narva Ceramic Fuse 16A Red 5Pk - 52616BL

Narva Ceramic Fuse 16A Red 5Pk - 52616BL

$6
Fitment Notes:
See More
Hella Switch Symbol Worklamp Front - 1 Pce - 9XT713630421

Hella Switch Symbol Worklamp Front - 1 Pce - 9XT713630421

$4
Fitment Notes:
See More
Narva Fusible Link Male 60A Tan 10 Pce - 53160
Clearance

Narva Fusible Link Male 60A Tan 10 Pce - 53160

$20
Fitment Notes:
See More
Mothers PowerPlastic 4Lights 236ml - 688808

Mothers PowerPlastic 4Lights 236ml - 688808

$37
Fitment Notes:
See More
OEX Cover Suits Anderson Style 50A Connector 1Pce - ACX2760C
OEX

OEX Cover Suits Anderson Style 50A Connector 1Pce - ACX2760C

$3
Fitment Notes:
See More
ASL Glass Fuse 10 Amp - FUS10AMPG
Clearance
Asl

ASL Glass Fuse 10 Amp - FUS10AMPG

$0.01
Fitment Notes:
See More
Showing 3628 - 3666 of 5686 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.