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How do I know what bulbs fit my car?

Knowing what light bulbs fit your car is essential for maintaining proper lighting and ensuring your vehicle is road-legal. Whether you need to replace a headlight, taillight, or interior bulb, there are a few key steps to determine the right fit.


Identify the Bulb Type


The first step is to identify the specific type of bulb your car requires. This information can usually be found in your owner's manual or by consulting an online database that cross-references your vehicle make, model, and year. Common bulb types include H4, H7, 9005, 9006, and various sizes of LED and halogen bulbs.


Check the Bulb Size and Wattage


Once you know the bulb type, you'll need to determine the correct size and wattage. This information is often printed directly on the old bulb or can be found in your owner's manual. Matching the size and wattage is crucial to ensure the new bulb fits properly and functions correctly.


Consider Bulb Compatibility


In addition to size and wattage, you'll also want to ensure the new bulb is compatible with your vehicle's electrical system and lighting fixtures. Some bulbs may require specific sockets or connectors, so double-check that the replacement part will work with your car.


Tips for Purchasing the Right Bulbs



  • Consult an online parts catalog: Many auto parts stores and websites offer tools that allow you to enter your vehicle's information and see the exact bulbs that fit.

  • Bring the old bulb with you: Taking the old bulb to the store can help ensure you get the correct replacement.

  • Consider upgrading to LED: LED bulbs often last longer and are more energy-efficient than traditional halogen or incandescent bulbs.

  • Follow installation instructions carefully: Proper installation is crucial to avoid damage to your vehicle's electrical system.


By following these steps, you can confidently identify and purchase the right light bulbs for your car, ensuring your vehicle's lighting functions properly and meets all legal requirements.

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.