H11 Headlight Bulbs, LED Fog Lights & HID Kits

The brightest options are almost always high-output LEDs, which easily outshine the halogen bulbs your car probably came with. Depending on the kit, some H11 LEDs can hit around 10,000 to 12,000 lumens per pair.

That said, chasing raw lumens isn't the whole story. A good bulb also needs proper beam focus, correct chip placement, and steady cooling. Get those right, and you'll actually see the road better, without blinding oncoming traffic with glare.

It depends on what you're after. Brightness, cooling design, CANbus compatibility, and whether you're lighting up your headlights or fog lights all move the price around. As a general guide, most H11 LED headlight bulbs at Underground Lighting land somewhere between $50 and $150+ per pair.

Most of the time, H11 is a low-beam bulb. But plenty of vehicles also use it for fog lights or other forward-facing positions, so it really comes down to how your headlights are set up.

Before you order, it's worth a quick check of your owner's manual, your current bulb number, or your vehicle's fitment details to confirm exactly where that H11 lives, low beam, fog light, or somewhere else.

Loads of them. You'll find H11 bulbs across cars, trucks, and SUVs from Toyota, Honda, Subaru, Volkswagen, Ford, Chevrolet, GMC, Hyundai, Kia, Nissan, and plenty of other brands.

One thing to keep in mind: fitment can change with the model year, trim, and lighting position, so don't go by brand alone. Always confirm the exact bulb size for your specific low beam, fog light, or headlight position before checking out.

They look alike, but no, they're not interchangeable. H11 and H9 bulbs have different wattage ratings, output levels, and application requirements. An H9 usually runs at a higher wattage, so swapping it in where an H11 belongs isn't a good idea unless your vehicle and housing were built for it. Stick with the bulb size listed for your car, and you'll avoid fitment and electrical headaches.

Originally, yes. H11 started life as a halogen bulb, and a lot of vehicles still roll off the line with H11 halogens today. But the H11 you buy now comes in halogen, LED, and HID versions.

So if your car currently runs factory halogen H11S, upgrading to an H11 LED bulb or an H11 HID kit is usually on the table.

In most cases, yes, as long as the bulb size and housing line up. A plug-and-play H11 LED is made to drop into the original H11 socket and connect straight to your factory wiring.

A couple of things to watch for: some vehicles want CANbus-ready bulbs or anti-flicker decoders, and because LED bulbs often have built-in fans or heat sinks, you may need a little extra room behind the housing.

Absolutely, H11 is a common fog light size. If that's what your vehicle uses, you've got options. White H11 LED fog light bulbs give you a clean, modern look, while yellow H11 fog light bulbs are the go-to for cutting through fog, rain, snow, and other low-visibility conditions.

Just double-check that your fog light housing actually takes H11 before you order.

For headlights, 6000K white tends to be the crowd favorite. It looks crisp and modern and gives you strong contrast on the road. For fog lights, a lot of drivers lean toward 3000K yellow instead, since it's easier on the eyes when the weather turns nasty.

Really, the right color comes down to the job: low beams versus fog lights.

Sometimes. On vehicles with sensitive electrical systems, certain H11 LEDs need CANbus support or a decoder to stay flicker-free. Skip that compatibility, and you might run into flickering, a bulb-out warning on the dash, or lights cutting in and out.

If you notice any of that after an LED upgrade, switching to CANbus-ready H11 bulbs usually sorts it out, or just reach out to Underground Lighting for fitment help before you buy.

No, and this one trips people up. H11 and H11B use different connector styles, so they can't replace each other. If your vehicle calls for H11B, don't force in a standard H11 unless the product specifically says it's designed for that application. When in doubt, match the exact bulb type listed for your car.

H11 LEDs are the simpler upgrade, plug-and-play, instant brightness, and lower power draw. H11 HIDs use xenon lighting and need a compatible HID ballast or conversion kit to run.

So if you're coming from factory halogen H11S, LED is usually the easiest path. If you're already running or building an HID setup, then an H11 HID kit or replacement HID bulbs is what you're after.

Yes, always do both sides. Replacing them as a pair keeps the brightness, color, and beam pattern consistent across the front of your vehicle, so one side doesn't end up noticeably different from the other. This matters most when you're jumping from halogen to LED, or switching from white headlight bulbs to yellow fog lights.

Start with the basics: your vehicle's year, make, model, current bulb number, and the lighting position you're filling. Remember that H11 can show up as a low beam, a fog light, or another front position depending on the car.

Still not sure? Send Underground Lighting your vehicle details and let them know whether you're looking for an H11 headlight bulb, fog light bulb, LED bulb, or HID kit, and they'll point you to the right fit.