Headlights are one of the most important parts for road safety. If your car uses stock H4 halogen and wants to upgrade to H4 LED headlight bulb to get brighter light and longer use time, then you are in the right place.

This is a comprehensive buying guide for the best & brightest H4 LED car light bulbs currently available. More importantly, we have categorized these H4 LED bulbs according to their outstanding feature in brightness, installation, light beam pattern etc, so they can meet your different requirements.

Let’s check out these best and brightest h4 LED headlight conversion kits on the market.

#1. Best Overall - OSRAM LEDriving H4 LED Headlight Bulb

Customer Review :“Nice quality from Osram, With a nice stainless body and a water-proof connector wired, it feels very well-built. It offers just the solution for almost every taste and demand.”

Osram automotive lighting is probably the most well-known when it comes to producing quality H4 LED headlight bulb for car. With OSRAM’s world-class engineering team being at the helm of the LEDriving, these H4 LED bulbs are designed to upgrade your headlights in terms of brightness, color temperature, and longevity.

As expected, the Osram H4 LED replacement bulb continues to offer an exceptional combination of enhanced brightness with a color temperature of 6000K while also increasing light on the road.
Not only are these H4 bulbs are bright, but they perfectly positioned and uniformly diffused.

With the latest OSRAM LED technology and its durable design, the H4 LED bulb provides resistance against extreme temperature and shock impact, which extend its lifespan up to 8 years. More impressively, Osram are offering an extremely 5-year guarantee, showing their confidence about the product quality. So you know you’re getting a terrific bulb that you can depend on.

Best Feature

5-year OSRAM guarantee
Compact design for simple installation
12V and 24V compatible
Brighter light output than standard
Striking cool white light color
The latest LED technology from OSRAM

#2. Philips X-tremeUltinon H4 Headlight Bulb

Customer Review: “The lights are working great! They provide a properly focused beam pattern, lighting output, as well as cutoff gives correct light distribution.”

The best H4 LED headlight bulbs are not simply the brightest. It’s what you do with that extra light that matters. Fitted with SafeBeam technology, the Philips H4 LED headlights concentrate light where you need it. The uniform beam pattern is precision-designed to meet road-safety regulations for halogen headlights. Better-directed light gives greater visibility, making you a better, safer night-time driver.

The usage of only optimal parts in the X-tremeUltinon h4 led bulb manufacture also achieves a robust bulb design. The Philips’s AirBoost cooling technology greatly defends against the overheating of critical components. The 6063 aluminum body also smartly designed to protect against thermal shock, and adverse weather conditions, and is dust-proof, allowing for a massive bulb lifetime of up to 30,000 hours.

As well as offering upgraded brightness and stylish cool white light, the Philips H4 LED headlight kits are also designed for ease of use. The compact design allows for a super easy plug-n-play installation.

Best Feature

SafeBeam technology eliminates glare to other drivers
Patented AirBoost technology for longer lifespan
Compact design for easy installation
Deliver up to 5800K white light for high-end styling
Stunning illumination for better visibility at night
Automotive-Grade quality materials

#3. NAOEVO NR H4 LED Car Light Bulb - Rocket Design

Customer Review: “The best LED car light bulb company!! I just have to do review to let everyone know just how fantastic these h4 LED bulbs brightness and stylish rocket design are. They are extremely easy to install and bright as you expected.”

NR LED headlight bulb is manufactured by NAOEVO, one of the largest LED headlight bulb manufacturers in China. With over 16-year experience in research and development, they have released these mini design H4 LED headlight bulbs while delivering exceptional brightness.

With a compact size of 1.29*2.79 inch, the NR H4 LED headlight kits are the very definition of super easy plug-n-play. The mini-size H4 LED replacement bulb is equipped with compact fan heat sink, which enables users to fit the bulb directly into the original dust caps.

Equipped with 3570 55MIL high-intensity flip chip, the NR H4 LED headlight bulbs offer a high brightness of 110W 13,200LM per set. The 1:1 same lighting position as halogen makes the beam pattern more uniform and focused. The 6500K produces a cool white beam that is better for identifying and distinguishing at night.

Another outstanding feature of these H4 LED bulbs is their “ROCKET” lamp body design, which makes you stand out at night. The upgraded copper heat pipe and high-speed fan enable the bulb to transfer 20W of heat each time, thus prolonging the lifespan to over 50,000 hrs.

Best Feature

Remarkable ROCKET design
6500K white for clear visibility
1:1 mini-design for easy installation
Bigger copper heat pipe for heat transfer
High-intensity flip chip, increased brightness
Provided by a reliable brand

#4. NAOEVO Max3 Series H4 LED headlight 13,000 LM

Customer Review: “These H4 bulbs at NAOEVO are awesome. The beam pattern is perfectly uniform and provides even lighting across the wider field of view of these H4 bulbs. The company also provides the best bulk price.”

Many ultra-high brightness H4 LED headlight bulbs on the market often create a far more spreading glare that will easily cause traffic accident. With advanced optical technology, the Max3 H4 LED headlight kits are capable of delivering a perfect light beam pattern. The low beam of these H4 LED bulbs offers a clear cutoff which is able to keep you and the other drivers on the road safe. For optimum long-rage visibility, these bulbs will satisfy you with the focused hot-spot in the upper center of the pattern.

The Max3 H4 LED bulbs are made of high-intensity flip chip to deliver a superior brightness of 120W 13,000LM per set. The effective use of light ensures maximum light output so drivers can see signs and obstacles clearly in advance, increasing the confidence while driving at night.

The Max3 H4 LED conversion kit uses dual copper heat pipe to draw the high temperature out of the chip faster and down toward the base. The aluminum body and high-speed fan achieve efficient heat dissipation through its hollow-carved design heat sink. The combination of a variety of cooling methods extend its lifespan to 30,000 hrs. You can save yourself from the troubles of frequent bulb replacement.

The H4 LED headlight bulbs are equipped with Canbus driver to avoid error codes. Besides they are designed strictly according to the shape of the halogen, which perfectly fit into your headlight housing without any modification.

Best Feature

2-year warranty
Perfect light beam pattern without glare
Standard holder as halogen for easy installation
Intelligent Canbus driver, no flickering
6500K whiter and cooler light than stock
IP67 makes it dust, snow, and water resistant
Dual copper heat pipe and thermistor for efficient cooling

#5. NAOEVO ND H4 LED Replacement Headlight Kit - Spider Design

Customer Review: “The ND H4 LEDs are probably the brightest bulbs you can get for your car. This excellent brightness provides a wider angle for better night vision, the installation is also very simple.”

ND H4 LED bulbs are your premium choice if you are looking for the brightest H4 LED headlight bulb with stylish design. Equipped with 6 pcs 55 mil quality flip chip, these H4 automotive LED headlight bulbs are 6 times brighter than halogen bulbs with a phenomenal illumination of 140W 168,000 LM, and come with a 360 - degree optical design, which gives you a vast improvement in visibility at night.

Will these ultra-bright H4 LED bulbs cause glare light? You will never worry about this problem as the light beam patterns of these bulbs are also clear and uniform thanks to the ultra-focused light chip. The distinct cutoff can avoid dazzling the oncoming drivers.

The ND H4 LED bulbs are engineered to be durable enough so that they can be lit up the road for a long time. The ND H4 headlight kits are equipped with efficient high-speed mute fan, superior aluminum heat sink and dual copper heat pipe so that they can achieve three times faster cooling capacity, thus ensuring 50,000 hrs lifespan. Having these long-lasting and stable H4 LED headlight bulbs, you don’t have to replace the bulbs frequently.

Say no to normal headlight bulb, the spider heat sink design is another unexpected surprise provided by the manufacturer, which gives you more aesthetic look for your car. With Canbus driver, these H4 LED bulbs work with 98% of the vehicle’s computer system without error.

Best Feature

Modern spider design for aesthetic look
It comes with terrific brightness of 168000 LM
Maximum visibility for night driving
Simple plug-n-play installation
Up to 50,000 hours of lifespan
Canbus error-free

How to Find the True “Best & Brightest” H4 LED Bulbs?

Consider the Lux

Lux is the amount of light on a surface. A single lux is equal to one lumen per square meter. In other words, Lux is the usable light on the road. The H4 LED headlight bulb advertised as the “brightest” bulb doesn’t necessarily mean you will receive a functional amount of light on the surface. In general, the higher the lux, the more utilized light being turned into a usable beam pattern by the headlight housing. However, several factors should be taken into account when measuring lux such as the lumen amount of the bulb, the headlight housing, and the distance.

Beam Pattern

Beam pattern is the angle of the light coming from your car headlight which will decide if your LED headlight bulb is legal or not. A standard and safe light beam pattern should have clear cutoff light on low beam while maintaining a strong and uniform light on high beam. For safe driving, it is recommended to pick a LED headlight bulb like Max3 H4 to guarantee a perfect light beam pattern.

Choose the Right Color

The brightest H4 LED headlight bulb is white and approximately equivalent to 6000-6500K color temperature. Because the 6500K is close to daylight white which would be more visible for night driving. Click here to view the 6500K H4 LED headlight bulbs.

Have a Better Cooling Design

The only drawback of the LED headlight bulb is excessive heat they produce. The higher the power of the LED bulb, the more heat they generate. It is better to buy ultra-bright H4 LED headlight bulb that combines multiple heat dissipation methods such as fan, hollow-carved design heat sink, copper heat pipe and slim substrate. For instance, the GT6 H4 LED headlight bulbs are equipped with single heat pipe, thermistor and high-speed fan to achieve faster cooling than other normal bulbs.

Who makes the brightest H4 LED headlights available on the market?

There are no exact answers. As there are so many LED headlight bulbs labeled as ultra-high brightness, however, it could be the false lumen rating. If you want to buy the real and brightest H4 LED headlight kits for your car. We will highly recommend ND H4 LED bulb or NR H4 headlight kit, they will be incredibly bright enough to improve your visibility.

Where to Buy The Brightest H4 LED Headlight Kit?

NAOEVO is a reliable LED headlight bulb manufacturer that offers a wide collection of H4 LED headlight conversion kits. There are several reasons why they become one of the favorites of many customers.

High quality: NAOEVO has been supplying high-quality wholesale H4 LED headlight bulbs and other auto LED lighting for over 16 years. Here you will find automotive LED headlight bulbs that are cheap and fine.

Wholesale factory price: NAO has its own factory to achieve independent production. They are able to cut the middleman and provide all the products at a competitive wholesale price. If you purchase LED headlight bulb in bulk, NAOEVO will be your best supplier to offer you a cheaper price compared to the market.

Fast shipping: NAOEVO has tied with various delivery partners across the country which makes them deliver the product quickly to your doorstep. The one-stop service & on-demand manufacturing also help to achieve fast delivery requests.

More benefits for customers: Becoming a distributor of NAOEVO, you will get exclusive benefits which are crucial to your success.

Conclusion

In conclusion, the above-mentioned are the best and brightest H4 LED headlights that you will find in the market at the best price. Without a doubt, upgrading your halogen headlight with LED bulb is a wise decision. If you want to see more about high-quality H4 LED headlight bulbs, click here, you will find the one that suits your vehicle the best!