What headlight bulb do I need? It’s a question many Canadian drivers ask when faced with poor nighttime visibility, flickering lights, or the desire to upgrade to more modern lighting. When shopping for headlight bulbs in Canada—whether it’s due to a dimming beam during long winter nights or simply an upgrade from outdated halogens—you’ll likely be met with dozens of bulb types, sizes, and features. It can get overwhelming fast.

This guide from SEALIGHT Canada helps simplify your search. Whether you're looking for headlight bulbs, fog light bulbs, backup light bulbs, or even interior lighting like map lights and dome lights, we’ll walk you through what you need to know.

Tip: Quickly find the right LED headlight bulb by entering your vehicle details in our LED bulb collection page >>

How to Find the Right Bulb Size for Your Vehicle

Bulb size isn’t one-size-fits-all. It depends entirely on your vehicle’s make, model, and year. Installing the wrong size could result in poor lighting, overheating, or even damage to your headlight housing.

Whether you’re replacing exterior lighting like headlights or fog lights—or updating interior lighting for improved cabin visibility—this guide can help you determine the correct bulb for your car.

1. Check Your Owner’s Manual

Your manual lists exact bulb fitting specifications. It’s the most accurate source for headlights, taillights, and interior bulb types.

If you're unsure which bulb to replace, focus on the ones used for standard night driving. These are often referred to as dipped beam, low beam, full beam, or high beam.

Dipped beam (or low beam) is the default setting for driving after dark. It provides enough light to see the road ahead and helps other drivers see you, without creating glare.

Full beam (also called high beam) is the brightest and reaches farther, making it useful in pitch-black conditions. But because it can dazzle other road users, it should only be used when no one else is around.

2. Use the SEALIGHT Canada Bulb Finder

Use our online vehicle bulb selector to enter your car’s details and instantly find compatible bulbs.

Step 1: Enter your year, make, model, and lighting position

Step 2: Click “Find a Bulb” to view a full selection of compatible products for your vehicle

3. Inspect Your Existing Bulb

If you’re comfortable removing a bulb, look at the base—it’ll often be printed with the fitting size (e.g., H11, 9005, T10).

Understanding Headlight Bulb Types: Which One is Best?

Automotive lighting generally falls into three categories: halogen, xenon HID, and LED bulbs. Canadian weather varies widely, and your lighting should be reliable in all conditions, from icy highways to rainy nights.

Halogen Bulbs

Common in factory setups, halogens are low-cost and widely available. However, they burn hot, use more energy, and need replacing more frequently. Suitable if you're looking for a quick and affordable fix.

LED Bulbs

Ideal for Canadian winters and night visibility. LED bulbs provide bright, white light with low energy consumption and long life spans (up to 50,000 hours). They’re a smart upgrade if you're often driving at night or through remote areas with limited street lighting.

If you are looking for new LED headlight or fog light bulbs, check out these recommended SEALIGHT options:

Headlight – Scoparc S7S: High-lumen output, efficient cooling, and a glare-free beam for safer night driving.

Headlight – Scoparc S2S: Compact size, triple heat dissipation, and an all-in-one kit for easy installation.

Fog Light – Xenower XF3: 12,000 lumens and 360° adjustable rings for bright, customizable fog visibility.

Fog Light – Force F1: 27 SMD chips and non-polarity plugs for wide compatibility and all-around illumination.

HID/Xenon Bulbs

HID bulbs offer intense brightness and are often used in luxury vehicles. They require special ballasts but last longer than halogens. If your vehicle already uses HIDs, you can stick with them or switch to LED bulbs designed for HID systems.

Explore top-rated SEALIGHT upgrades:

SEALIGHT HID Headlight Bulbs – Reliable HID replacements

SD1 Series LED Bulbs – Easy upgrade from HID to LED with compatibility built in

What to Look for When Buying LED Headlight Bulbs in Canada

No matter which part of your vehicle you're upgrading—headlights, fog lights, reverse lights, or interior bulbs—these features matter:

Brightness (Lumens): Look for high-lumen LEDs (6,000lm+) for maximum visibility on dark roads or snowy highways.

Beam Pattern: Choose bulbs that offer wide, even beams without dark spots or excessive glare. Ideal for highway and urban driving.

Cooling System: Even in cold Canadian climates, LEDs need cooling. SEALIGHT uses efficient designs like fanless heat sinks and high-speed fans in premium series.

CANbus Compatibility: Many newer vehicles use CANbus systems, which require compatible bulbs to avoid error codes or flickering.

Installation Ease: Many SEALIGHT LEDs are plug-and-play, though higher-end models may require adapters or resistors.

With a wide array of bulb sizes and series options, SEALIGHT makes it easy to find the right match for your vehicle, whether you drive a compact car, pickup truck, or SUV.

Why Choose SEALIGHT Canada?

When it’s time to upgrade your car’s lighting—headlights, fog lights, backup lights, or interior cabin lights—SEALIGHT Canada is your trusted source. We make it simple for Canadian drivers to find high-quality bulbs that fit and perform.

What we offer:

  • Free shipping across Canada
  • 90-day hassle-free returns
  • Bulbs for every lighting position—exterior and interior
  • A wide selection of SEALIGHT series to suit every budget and preference

No matter what you’re looking for, SEALIGHT provides bulbs in various sizes and styles to fit your driving habits, road conditions, and vehicle type.

Summary

Your vehicle’s make, model, and year determine what size headlight bulb you need. To find the right match, check the owner's manual—or save time by using SEALIGHT’s online bulb finder.

There are three common types of headlight bulbs: halogen, LED, and HID (Xenon).

When picking an LED bulb, don’t just look at size. Make sure it has the right brightness, beam shape, cooling system, and CANbus support for your car.

SEALIGHT offers reliable LED and HID lighting options at great prices. With their wide selection, you're sure to find a bulb that fits your needs and keeps you driving safely.