H7 or H4 headlight bulb: Quick Guide To Choose The Best LED For Your Car

Planning to upgrade your regular Halogen Headlight Bulbs to LED Bulb? What is this H7 or HB4, H3 or H4 Headlight bulb? Choosing the right LED headlight for your car is an important decision to make. If not taken seriously it may create problem in the future. The LED light define the class of your style, good quality and throw of the light. You also need to check which Ballast you require.

What is H7 or H4 Headlight Bulb, Explained

There is a wide variety of LED Headlights available in the market. The most common LED headlight series is the “H – Series”. There are 7 different types of bulbs that come under the H series Headlight bulb category, H1, H3, H4, H7, H11, HB3, HB4. The most Practical & Popular bulbs are H4 & H7.

H2: Which Ballast do You Require? Regular Ballast or Canbus Ballast  LED

What is CANbus in Headlight system, Explained

Lets us first explain what is Canbus Ballast? CANbus refers to a type of electric wiring system. ‘CAN’, stands for Controller Area Network. Installing HID lights confuse the car system. The HID bulbs do not require as much power as regular halogen bulbs. In comparison to Halogen bulbs the HID bulb uses less power, the Canbus system will think that there’s no working bulb installed, flashing you a warning. 

This system allows different components to communicate with one another without requiring a central computer. This makes a CANbus system ideal for use in a car. Canbus has now become common in new cars after the mid-1990s.

H2: H Series Bulbs Explained Explained

There are two types of Filaments, Single Filament and Dual Filament Bulb. Some bulbs have only one filament, but others have two. H1, H3, H7, H11, HB3, and HB4 bulbs are single filament. H4 are dual filament.

One way throw LED Bulb.

Dual filament bulbs are used to power both the dipped & main beam of your headlights. Each filament is dedicated to each purpose. Cars that use a single filament and only need one bulb for the main and another one for the dipped.

Two way throw LED Bulb

While there are 7 different types of bulbs but, H4 & H7 are the most popular and widely used LED’s. In the next section, we’ll discuss the H4 & H7 LED.

H2: The Popular LED H7 & H4 Headlight Bulb Explained
H3: H4 Headlight Bulbs

H4 bulbs come with two filaments, it gives them the option of using them either as high- or low-beam lights. H4 bulb wiring system has a three-pronged attachment to the wiring harness. It was originally developed for race cars in Europe. H4 bulbs are very bright and can produce off white, blue, violet or yellow colour light.

H3: H7 Headlight Bulbs

Unline the H4 bulb, the H7 bulbs come with only a single filament. H7 bulbs also come in white, blue, violet or yellow options. Attachment is the most significant difference between the bulbs. H7 bulbs fit in different bulb sockets attachment, it has a two-pronged plug. 

Apart from this H4 LED headlights can last up to 50,000 hours while the H7 headlights will last up to 30,000 hours

How to choose which LED to use, H7 or H4 Headlight Bulb?

Which one is better, H7 or H4 Headlight LED

First, check the Owner’s manuals to determine the type of bulb needed. Too high wattage in the bulb may damage your headlamp reflector and wiring harness for the bulb. 

The H4 LED headlight, over H7. The H7 has only 1-way lights which are ideal for long route drivers. But for regular users, the H4 lets bulb is best. Apart from this H4 LED headlights can last up to 50,000 hours while the H7 headlights will last up to 30,000 hours. At MWR we have created the best place for buying all these car LED lights.

One safety piece of advice when installing the lights, adjust them down to increase safety for other drivers. At MWR we are here to help you, if you need any further assistance, or need to know which company make the best LED’s or where to buy all this stuff, feel free to contact us.

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