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HB4 bulbs as the same as 9006 bulbs? Why they call HB4?
Yes! HB4 headlight bulbs are indeed the same as 9006 bulbs. The designation HB4 is used in the European standard for automotive bulbs, while 9006 is the designation used in the North American standard. Despite the different naming conventions, HB4 and 9006 bulbs refer to the same type of bulb with identical specifications and applications.
Here's why they are sometimes referred to as HB4:
European Standard (HB4): In Europe, automotive bulbs are designated using a combination of letters (indicating the type of bulb) and numbers (specifying the specific bulb type). HB4 specifically refers to a single filament bulb with a particular base and electrical specifications, which aligns with the 9006 bulb used in North America and other regions.
Interchangeability: Despite the different naming conventions (HB4 vs. 9006), the physical and electrical specifications of the bulbs are the same. They both operate at 12 volts and are commonly used as low beam or fog light bulbs in vehicles equipped with separate high and low beam headlights.
Functionality: Like 9006 bulbs, HB4 bulbs are known for their performance as low beam or fog light bulbs. They provide adequate visibility with a specific color temperature and brightness level suitable for these applications.
Global Recognition: Manufacturers and retailers often use both designations interchangeably to describe the same product, ensuring global recognition and compatibility across different markets.
In summary, HB4 headlight bulbs and 9006 headlight bulbs are identical in terms of specifications, functionality, and application. They are interchangeable and serve the same purpose as low beam or fog light bulbs in vehicles equipped with separate high and low beam systems, depending on regional naming conventions.
If you are not sure whether the 9006/HB4 LED bulbs will be suitable for your vehicle or not, you can click the "By Vehicle" catalog at the top of the page to help you with that, or check with Novsight automotive bulb finder on the top bar.
Contact us: service@novsight.com
Installation guides: click and check the PDF installation manual.
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from 2038 reviews
My name is Tim Hendrickson and I just want to give everyone my experience with novsight headlight bulbs . First of all excellent customer service and fast shipping. I have attached pictures of my novsight N60 Ultra Series LED H13 headlight bulbs in my truck. I have bought headlight experts head light bulbs and xenon headlight bulbs and I am here to tell you novsight is the best in my opinion. Extremely bright. If you are second guessing it stop just do yourself the favor and place your order and you can thank me later. I am speaking on the N60 ultra series but I have no doubt that all their headlight bulbs are amazing. They come very well packaged in a nice box . I am very pleased and definitely a on going customer. Hope this helps anyone looking at giving nova sight a try .

Great tent and matches my needs perfectly and the look I was going for.

It’s hard to stay elusive with these uniques and impressive Off-road lights. The DLR’s give off a supernatural glow while the main lights make it hard for anything to hide in the shadows! Love these lights!

The lights are so nice and bright. Was also very easy to install. Must have the anti flickering resistor.

Design is great and the lighting exceeded my expectations. Installed on 2025 Jeep Mojave X. Orange is a perfect match.

Great quality, I really like them and they look great, I’m definitely buying more of this products

Plug and play in 2017 Hyundai Accent fog lights, no decoder needed. Perfect amount of brightness and matches OEM beam pattern.

Really love this lights! Even for a small 4 inch set up they light up the night very well, I did got a better harness set up, but still a great set up

Went from 55w Morimoto 5500k HID to the N60 LED and it fixed the issues I had with output and could not be happier. Been running Morimoto HID in 3 vehicles for years. I finally have what I’ve been left wanting! Highly recommend the N60 series

I really like the design and the ways in which they turn on, they are different and they are not expensive, and most importantly they light up very well

I bought two pairs of X-Series and installed them on my 2024 GMC 3.0 AT4 Sierra. The installation process was so simple. Lights are beautiful, look good on my truck and make my truck stand out than the others of the same model and year.

I ended up cutting the box and not using it. Connected the lights to my wireless auxiliary box and wham! They look fantastic!!!

After my wife complained about the headlights on our 2013 Chevy Volt, I immediately looked for LED replacement bulbs. Considering there is such a wide price range, I chose a Volt bulb that was inexpensive and well reviewed. It was a plug and play installation. It took me less than 10 minutes to complete. As you can see in the before and after photos, the light is 18 degrees brighter than before. The high beam setting is great as well. I highly recommend these bulbs!

They look very pretty, they have clear lighting and are very strong, made of good material and very interesting as seen in the photos, I recommend this product.

Great quality good price real bright
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