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 Coloured Cable Tie Assortment - 1000 Pc - ACX1330
OEX

OEX Coloured Cable Tie Assortment - 1000 Pc - ACX1330

$54
Fitment Notes:
See More
Energizer Coin Battery 1216 3V 1Pk - CR1216

Energizer Coin Battery 1216 3V 1Pk - CR1216

$14
Fitment Notes:
See More
Narva Q.C Connector 2 Pole 1 Kit - 56272BL

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

$8
Fitment Notes:
See More
Narva Standard Blade Fuse Assortment 5 Pce - 52800BL

Narva Standard Blade Fuse Assortment 5 Pce - 52800BL

$6
Fitment Notes:
See More
ANTI THEFT LOCK NUTS M12X1.75 PK2
Clearance

ANTI THEFT LOCK NUTS M12X1.75 PK2

$15
Fitment Notes:
See More

Explore 4WD & Adventure

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

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

$123
Fitment Notes:
See More
Narva 12V Driving Light Harness - 74401

Narva 12V Driving Light Harness - 74401

$117
Fitment Notes:
See More
OEX - LED Worklight 4 LED Flood beam - ACX5707
OEX

OEX - LED Worklight 4 LED Flood beam - ACX5707

$50
Fitment Notes:
See More
Projecta Brass Battery Terminal Stud Positive - BT10-P1

Projecta Brass Battery Terminal Stud Positive - BT10-P1

$19
Fitment Notes:
See More
OEX Maxi Blade Fuse, 30A Green - Single Pack - ACX1626BL
OEX

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

$12
Fitment Notes:
See More
Century VRLA Battery - PS12400
Clearance

Century VRLA Battery - PS12400

$99
Fitment Notes:
See More
Narva Junction Box Plastic 135 x 102 x 38mm - 57810

Narva Junction Box Plastic 135 x 102 x 38mm - 57810

$133
Fitment Notes:
See More
Hella Black Magic 6.2 inch LED Light Bar - 1FB358176201

Hella Black Magic 6.2 inch LED Light Bar - 1FB358176201

$107
Fitment Notes:
See More
Stedi FX220 LED Torch 220 Lumens Micro Size - TORCH-FX220

Stedi FX220 LED Torch 220 Lumens Micro Size - TORCH-FX220

$45
Fitment Notes:
See More
Narva Front Marker Light Amber LED 9 to 33V - 91422BL

Narva Front Marker Light Amber LED 9 to 33V - 91422BL

$28
Fitment Notes:
See More
Narva 250 Lumen Detachable L.E.D. Head Lamp - 71426

Narva 250 Lumen Detachable L.E.D. Head Lamp - 71426

$223
Fitment Notes:
See More
Narva LED Rechargeable Handheld Spot Light 2500Lm - 71000

Narva LED Rechargeable Handheld Spot Light 2500Lm - 71000

$400
Fitment Notes:
See More
OEX Heat Shrink Dual Wall Assortment 188 Pc - ACX1098
OEX

OEX Heat Shrink Dual Wall Assortment 188 Pc - ACX1098

$81
Fitment Notes:
See More
OEX Midi Fuse, 80A Bolt On - Single Pack - ACX6508BL
OEX

OEX Midi Fuse, 80A Bolt On - Single Pack - ACX6508BL

$10
Fitment Notes:
See More
Matson 24V or 12V Jump Starter - MA3400

Matson 24V or 12V Jump Starter - MA3400

$1,903
Fitment Notes:
See More
Narva 12V Relay 4 Pin 70A With Resistor - 68012

Narva 12V Relay 4 Pin 70A With Resistor - 68012

$38
Fitment Notes:
See More
OEX 250A Single Stud Terminal M8 - Red - ACX3145BL
OEX

OEX 250A Single Stud Terminal M8 - Red - ACX3145BL

$38
Fitment Notes:
See More
Narva Heat Shrink Tubing Assortment - 56602

Narva Heat Shrink Tubing Assortment - 56602

$29
Fitment Notes:
See More
Showing 625 - 663 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.