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.
Automotive LED Light Bulb Sizes
Bulb sizes can vary based on your vehicle’s make, model, year, trim level, and bulb type. Knowing the correct size ensures proper fitment, smooth installation, and optimal lighting performance. At SEALIGHT Canada, we help you find the right LED bulbs to maintain both safety and visibility on the road.
Below, you’ll find diagrams of the most common bulb sizes—including details on bulb shape, base, socket, and filament—to guide your selection.
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FAQs
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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.
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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.
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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.
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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.
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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.