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.

Sourced data may vary depending on vehicle trim levels and modifications. For more help finding the right bulb, check out this guide

{{ result.vehicle.year }} {{ result.vehicle.make }} {{ result.vehicle.model }} {{ result.vehicle.position }} Size: {{ result.bulb_size }}

Shop our top picks for your vehicle below

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

Shop by Category

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.

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.

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.

BLOGS

View All>>

What Is a 9006 Bulb? Best 9006 LED Headlight & Fog Light Bulbs

General Guides & Tips

bySEALIGHT-LED.com Team

April 03, 2026

What Is a 9006 Bulb? Best 9006 LED Headlight & Fog Light Bulbs

In this guide, we'll walk you through things you need to know about 9006 bulbs. We’ll also recommend the best 9006 LED headlight bulbs and 9006 LED fog light bulbs from SEALIGHT for you.

#Bulb Size Guide

9005 Headlight Bulb Guide: Things to Know & Best LED Options

General Guides & Tips

bySEALIGHT-LED.com Team

April 03, 2026

9005 Headlight Bulb Guide: Things to Know & Best LED Options

Discover the details about 9005 headlight bulbs in our comprehensive guide, and find the top 9005 LED options to enhance your vehicle's lighting performance and safety.

#Bulb Size Guide

9004 Headlight Bulb Guide: Know Basics & Best 9004 LED Choices

General Guides & Tips

bySEALIGHT-LED.com Team

April 01, 2026

9004 Headlight Bulb Guide: Know Basics & Best 9004 LED Choices

Dive into 9004 headlight bulb knowledge and top LED selections. Enhance your vehicle's lighting output while maximizing safety on the road.

#Bulb Size Guide

Car Bulbs

Shop By Bulb Size

Shop By Vehicle

Shop By SEALIGHT Series

Resources

Halogen Bulbs Replacement

HID Bulbs Replacement

Package Combo

Headlight Bulbs By Series

Fog Light Bulbs By Series

Automotive Bulb Finder

Shop by Category

Shop by Make

Automotive LED Light Bulb Sizes

FAQs

BLOGS

History Search

Hot Search

Search Result

Car Bulbs

Shop By Bulb Size

Shop By Vehicle

Shop By SEALIGHT Series

Resources

Halogen Bulbs Replacement

HID Bulbs Replacement

Package Combo

Headlight Bulbs By Series

Fog Light Bulbs By Series

Automotive Bulb Finder

Shop by Category

Shop by Make

Automotive LED Light Bulb Sizes

FAQs

BLOGS