Automotive Bulb Finder

Discover the right bulb size for your car's headlights, fog lights, tail lights, and more with our convenient automotive bulb lookup tool. Get started by choosing your vehicle's make, model, year, and bulb position below.

After finding your bulb, refer to the "SEALIGHT LED manuals" for detailed step-by-step installation instructions.

Which Bulb Do I Need （Click to enlarge the image）

Automotive LED Light Bulb Sizes

Automotive light bulbs may vary depending on the make, year, model, bulb type, and trims of your vehicle. Having accurate information about the car's bulb size will help you choose the right product, install it correctly, and maintain your vehicle's lighting system's performance and safety.

Below we will show you the light bulb diagrams of the most popular bulb size numbers, so you can have a closer look at the shape, base, socket, and filament of the bulb size.

Shop by Make

SEALIGHT carries a wide selection of lighting products for vehicles below. Click your vehicle make to quickly find the compatible light bulb replacement.

FAQs

Here we answer some frequently asked questions about car light bulbs. You can also check SEALIGHT's blog for helpful tips, and comparison articles about automotive lighting.

Q: What is a car light bulb size?

Car light bulb size refers to the physical dimensions and fitting type of the bulb. These sizes are standardized and categorized by series of numbers and letters. For example, an H11 bulb is a type of halogen bulb that fits into a specific socket size in your car's headlight assembly.
Q: How do I find out the size of my car's light bulb?

You can check your car's owner's manual, consult with a professional mechanic, or use an online database/car light bulb finder/chart to determine the correct type of bulb for your vehicle. You can also identify the part number by checking the old stock bulb.
Q: Can I replace a halogen bulb with an LED bulb?

Yes, you can replace a halogen bulb with an LED bulb, but you will need to make sure that the LED bulb is compatible with your car's lighting system and that it meets the same brightness and color temperature requirements as the original bulb.
Q: What is the difference between a single-beam and a dual-beam bulb?

Single beam bulbs have only one filament and are used for either low beam or high beam, while dual beam bulbs have two filaments and are used for both low beam and high beam.
Q: What are the most common car light bulb sizes?

The most commonly used headlight bulb sizes in automobiles are H11, 9005, 9006, and 9003. These sizes are used in a variety of vehicles, including cars, trucks, and motorcycles.