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How do I know what bulb to get for my headlight?


Choosing the right headlight bulb for your vehicle can seem daunting, especially with the variety of options available on the market. As an experienced auto service provider, I’ve helped countless customers navigate this process. In this article, I’ll guide you through the steps to identify the correct bulb for your car and ensure your headlights are functioning optimally.


Step 1: Check Your Vehicle’s Owner’s Manual


The first and most reliable source of information about your headlight bulb type is your vehicle’s owner’s manual. This document contains detailed specifications for your car, including the exact type of bulb required for your headlights. Look for a section labeled “Lighting” or “Headlights” to find the bulb type and size.


Step 2: Inspect the Existing Bulb


If you don’t have access to the owner’s manual, you can identify the bulb type by inspecting the existing bulb. Here’s how:



  • Turn off your car and ensure the headlights are cool to the touch.

  • Open the hood and locate the back of the headlight assembly.

  • Carefully remove the bulb by twisting it counterclockwise or unclipping it, depending on your car model.

  • Look for markings on the bulb itself. These markings typically include the bulb type (e.g., H11, 9005, H7) and wattage.


Step 3: Consider the Type of Bulb


Headlight bulbs come in several types, each with its own advantages and disadvantages. Here are the most common types:



  • Halogen Bulbs: These are the most common and affordable option. They provide decent brightness but have a shorter lifespan compared to other types.

  • LED Bulbs: Known for their energy efficiency and long lifespan, LED bulbs are brighter and more durable than halogen bulbs. However, they can be more expensive.

  • HID (High-Intensity Discharge) Bulbs: These bulbs are extremely bright and often used in luxury vehicles. They require a ballast to operate and are more expensive than halogen bulbs.


Step 4: Use Online Tools or Visit an Auto Parts Store


If you’re still unsure, many auto parts retailers offer online tools to help you find the right bulb for your car. Simply input your vehicle’s make, model, and year, and the tool will provide compatible bulb options. Alternatively, you can visit a local auto parts store, where staff can assist you in finding the correct bulb.


Step 5: Upgrade or Replace?


When replacing your headlight bulb, consider whether you want to stick with the same type or upgrade to a brighter or more energy-efficient option. For example, switching from halogen to LED can improve visibility and reduce energy consumption, but it may require additional modifications to your vehicle’s headlight assembly.


Final Thoughts


Ensuring you have the correct headlight bulb is essential for safe driving, especially at night or in adverse weather conditions. By following these steps, you can confidently choose the right bulb for your vehicle. If you’re still unsure or need assistance, feel free to visit Kevin’s Autos for expert advice and installation services. We’re here to help keep you safe on the road!


Frequently Asked Questions

How do I know what headlight bulb I need?


Additionally, most owner's manuals will list the bulb type required by your car. You can also check the current headlight and check for markings indicating the part number.



How do I identify my headlights?


And if it's a yellow color it has a normal power up time that tends to be a halogen bulb. If you turn on your headlights. And it flashes for a second and then over time about 7 to 10 seconds peak.



How do I figure out what light bulb I need?


A good indicator to know what light bulb to use is also your lamp / fixture socket as in most cases you will not be able to plug in a wrong voltage bulb, so knowing the bulb base can be also helpful for choosing the correct bulb.



Does AutoZone install headlights?


Answer: While AutoZone does not typically provide headlight installation services, you can purchase a replacement bulb or headlight assembly from them, along with the necessary tools. The employees can then guide you through the process of changing your headlight.



Do I need H11 or 9005?


H11 bulbs are designed for use as low beam headlights, while 9005 bulbs are typically used for high beams. This results in a higher brightness level for the 9005 bulbs compared to the H11 bulbs.



What is the brightest headlight bulb that is legal?


The brightest headlight you are legally allowed to have varies depending on the state you're in. Most states limit output to 2,000 lumens, while California limits brightness to 1,600 lumens.



What headlight will fit my car?


You can contact your vehicle manufacturer for the bulb fitting information, or simply take a look in your vehicle handbook, which should state all the fittings that your vehicle needs for each type of light.



How do I know what light bulb to fit?


All light bulbs have a code to identify their type of fitting. The letters tend to stand for the name of the fitting and the numbers are the diameter of the fitting in millimetres. For example, an E27 is an Edison Screw bulb with a diameter of 27 millimetres.



Is daylight or soft white brighter?


Daylight bulbs measure between 5,000K and 6,000K, producing light perceived as bright white, whereas soft white bulbs measure 2,700K to 3,000K, casting a warm, yellowish glow.



How do I find out what bulb I need for my car?


Common practice is to remove the blown bulb and look for the number on the bulb. Or look in the owners manual, it will list all of the bulbs that you vehicle uses. If you are looking for aftermarket bulbs, still use the original bulb number.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.