2003 chevy impala headlight bulb size Guide

Do you know the correct 2003 chevy impala headlight bulb size? If not, don’t worry—you’re not alone.

A lot of people don’t know the exact size, but that’s why we’re here to help.

In this guide, we’ll provide you with all the information you need to choose the right headlight bulbs for your 2003 chevy impala.

So whether you’re looking for a brighter light or just want to change up the look of your vehicle, we’ve got you covered. Keep reading for more information!

2003 chevy impala bulb sizes

2003 Chevrolet Impala Bulb Sizes ChartBulb Sizes
Fog Light Bulb Front893
Headlight Bulb High Beam9005
Center High Mount Stop Light BulbLED
Brake Light Bulb3057R
Turn Signal Light Bulb Front3457A
License Plate Light Bulb194
License Plate Light Bulb7441
Parking Light Bulb3457A
Tail Light Bulb3057R
Daytime Running Light Bulb9005
Turn Signal Light Bulb Rear3057
Back Up Reverse Light Bulb921
Side Marker Light Bulb Front194NA
Side Marker Light Bulb Rear194NA
Glove Box Light Bulb194
Glove Box Light Bulb7441
Trunk or Cargo Area Light912
Dome Light Bulb578
Map Light Bulb194
Map Light Bulb7441
Courtesy Light Bulb194
Courtesy Light Bulb7441
Ash Tray Light Bulb194
Ash Tray Light Bulb7441

2003 Chevy Impala Headlight Bulb Sizes

A car’s headlights are like its eyes, in that they help you see the road ahead and your surroundings too. So if you notice the headlights on your 2003 Chevrolet Impala losing brightness or flickering, consider getting them replaced with a fresh set of bulbs. And to help you get it done quicker, we have compiled a list of all the specific bulb sizes you need for the 2003 Chevrolet Impala’s headlights. Find our convenient chart below.

ApplicationBulb Size
Low Beam Headlight Bulb Size9006
Low Beam LED Headlight Bulb Size9006 LED
High Beam Headlight Bulb Size9005
High Beam LED Headlight Bulb Size9005 LED

2003 Chevrolet Impala Fog Light Bulb Sizes

Fog lights are another exterior lighting feature that is really useful for driving in lower visibility conditions and at night. You might have noticed that the fog lights in your 2003 Chevrolet Impala have begun fading or flickering with age. Time for a lighting upgrade. But what size bulbs should you put in the 2003 Chevrolet Impala’s fog lights? Refer to the chart we’ve compiled below to get the most accurate bulb sizes for the 2003 Chevrolet Impala’s fog lights.

ApplicationBulb Size
Fog Lights Bulb Size893
LED Fog Light Bulb Size893 LED

2003 Chevrolet Impala Brake Light Bulb Sizes

Brake lights are the car’s primary warning system for other drivers behind you that you are slowing down or coming to a stop. If your 2003 Chevrolet Impala’s brake lights are not as bright or noticeable as they once were, maybe it is time to upgrade to something newer. And to help you find the right set of brake lights for your 2003 Chevrolet Impala, we have compiled a list of the correct bulb sizes you need. Refer to it whenever you need to check the bulb size of your 2003 Chevrolet Impala’s brake light.

ApplicationBulb Size
Brake Light Bulb Size3057
Brake Light LED Bulb Size3057 LED
Third Brake Light Bulb SizeLED Bulb
LED Third Brake Light Bulb SizeLED Bulb

2003 Chevrolet Impala Tail Light Bulb Sizes

We often take tail lights for granted but these lights are one of the most important sets of lights on the car. They increase your 2003 Chevrolet Impala’s road presence and work to let the other drivers notice your car quicker. Blown tail lights could pose a serious safety risk, especially at night. It is best to get a faulty tail light fixed or changed as soon as you notice it. And to make the process easier, we have compiled a list of all the tail light bulbs you need for your 2003 Chevrolet Impala below.

ApplicationBulb Size
Tail Light Bulb Size3057
LED Tail Light Bulb Size3057 LED

2003 Chevrolet Impala Turn Signal Bulb Sizes

Turn signals are the only way to tell other drivers when you are about to turn or merge into a lane. If your 2003 Chevrolet Impala’s turn signals, or side marker lights are not working properly, or if they are too dim to see clearly, consider swapping them out. Use our convenient bulb size chart for the 2003 Chevrolet Impala below to make the whole process a lot easier.

ApplicationBulb Size
Front Side Marker Light Bulb Size194
Front Side Marker LED Light Bulb Size194 LED
Front Turn Signal Light Bulb Size3457NA
Front Turn Signal LED Light Bulb Size3457NA LED
Rear Side Marker Light Bulb Size194
Rear Side Marker LED Light Bulb Size194 LED
Rear Turn Signal Light Bulb Size3057
Rear Turn Signal LED Light Bulb Size3057 LED

2003 Chevrolet Impala Light Bulb Sizes

Light bulbs come in all shapes and sizes. Nowhere is that more obvious than in the 2003 Chevrolet Impala’s interior. There are a number of different bulbs that you might have to change at some point. The whole process is a lot faster and easier if you have a handy bulb size chart, like say, the one we made for you below. Use it whenever you forget the part number for that one light on your 2003 Chevrolet Impala.

ApplicationBulb Size
Ash Tray Light Bulb Size194
Automatic Transmission Indicator Light Bulb SizeN/A
Back Up Light Bulb Size921
Brake Warning Light Bulb SizeN/A
Cargo Light Bulb Size912
Check Engine Light Bulb SizeN/A
Clock Light Bulb SizeN/A
Cornering Light Bulb SizeN/A
Courtesy Light Bulb Size192
Cruise Control Indicator Light Bulb SizeN/A
Daytime Running Light Bulb SizeN/A
Door Mirror Illumination Light Bulb SizeN/A
Dome Light Bulb Size578
Engine Compartment Light Bulb SizeN/A
Floor Console Compartment Light Bulb SizeN/A
Footwell Light Bulb SizeLED Light
Glove Box Light Bulb Size194
High Beam Indicator Light Bulb SizeN/A
HVAC Temperature Control Light Bulb SizeN/A
Ignition Light Bulb SizeN/A
Instrument Panel Light Bulb SizeN/A
Interior Door Light Bulb SizeN/A
License Plate Light Bulb Size194
Luggage Compartment Light Bulb Size912
Map Light Bulb SizeN/A
Parking Brake Indicator Light Bulb SizeN/A
Parking Light Bulb Size3457NA
Radio Display Light Bulb SizeN/A
Rear Fog Light Bulb SizeN/A
Rear Reading Light Bulb SizeN/A
Reverse Light Bulb Size921
Roof Marker Light Bulb SizeN/A
Seat Belt Light Bulb SizeN/A
Stepwell Light Bulb SizeN/A
Trunk Light Bulb Size912
Turn Signal Indicator Light Bulb SizeN/A
Under Hood Light Bulb SizeN/A
Vanity Mirror Light Bulb SizeN/A


We hope this guide helped you find the right headlight bulb size for your 2003 chevy impala. If not, please don’t hesitate to contact us and we’ll help you get that taken care of. Have a great day!

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Richard Nickleson is the author and owner behind Headlight Reviews. He first started the site as a hobby to share his insights on car parts and specifically headlight bulbs, but it soon ballooned and now he writes on all topics surrounding headlights bulbs. If you've got a bulb question, contact Richard here.

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