Headlight Size

GMC Sierra-2500HD Headlight Assembly Replacement Guide

The GMC Sierra-2500HD is one of the most popular trucks in the US and is the workhorse for businesses big and small. But just like with any other truck, the headlight assembly of GMC Sierra-2500HD can also suffer from UV radiation and weather effects.

When we talk about the GMC Sierra-2500HD headlight assembly upgrade, the best replacement options include halogens, LEDs, and HIDs. It doesn’t matter what kind of headlight assembly you go for, you need to keep in mind that higher Kelvin means much more blue light, whereas more light means you will have a whiter light.

If you are looking for an LED headlight assembly replacement, then the best choice would be something that is around 6000K. This will give you a nice, white light without being too blue. For Halogen headlights, 3000K is a good option, as it will provide more light while still appearing white to the human eye. If you’re looking to go all out with your GMC Sierra-2500HD and replace the headlights with HIDs, then you should look for something around 10000K. This will give you a bright blue light that can be seen from great distances.

No matter what kind of headlight assembly you choose for your GMC Sierra-2500HD, it’s important to keep in mind that they all need to be properly sealed in order to keep water and dust out. Headlight assemblies that aren’t properly sealed can easily become damaged and can even cause a fire.

Why do you need to replace the headlight assembly of GMC Sierra-2500HD?

  • Weathered lenses

Over time the headlight lenses tend to lose their coating because of exposure to the weather, UV radiation, and specific elements. This coating is responsible for preventing the discoloration of the hard plastic. When exposed, the headlights happen to lose the lens coating and prevent the hard plastic lenses from discoloring. This, in turn, allows the light to bypass them and thus reduces their ability to shine.

  • Burned out beams

Sometimes when you turn on the headlights, you will see no lights coming out, or the only light comes out when you are on the high beam. When there is a lack of light, it is clear that the bulb filaments deteriorate. The deterioration process is accelerated with vibrations and impacts.

  • Damaged or foggy headlight assemblies

If your headlights have sustained damage then it’s important to replace them as soon as possible because they can become a safety hazard while driving. Fogging up is another common problem that may be the result of incorrect installation, water infiltration, or just old age.

  • A much better road illumination

You can have much better road illumination when you change the headlight assembly. Headlights become discolored with time, and they generate a lot less light. The headlights can also flicker when you use them daily, and therefore, changing them can keep you safe.

Replacing the headlight assembly of GMC Sierra-2500HD is a simple process that can be done in less than an hour. Before you begin, make sure you have all the tools needed for this task, and some things to keep in mind:

Wear safety glasses at all times while working on your vehicle’s headlights. When removing damaged parts from your lights, small pieces may fall from them and harm you if they get in your eyes. This would absolutely ruin the experience. In case there are any problems with the process or it takes longer than expected, call a professional for help. This way you will ensure both a high level of performance and safety when driving after replacing headlights yourself. Also, remember to check whether everything works properly before driving your Sierra-2500HD again.

Instructions of replacing headlight assembly of 2015 GMC Sierra-2500HD

Begin by making sure that your vehicle is turned off and remove the old headlight assembly. You can loosen the nut present on the backside of each light holding with the help of the pliers and then remove it by pulling it down. 

Take out the bulb by twisting counter-clockwise, and now you will have an empty socket where the old bulb was present.

This can be a perfect chance for you to check for any damages or cracks during headlight kit replacement. 

Grab the new light and then twist it clockwise and before putting the new headlight assembly, make sure that both halves of the housing a fully clean. 

In the end, you can plug the wiring harness back and turn on the headlights to see whether everything is working in a proper manner or not. You are done!

If you have any questions or problems, feel free to call a professional. Replacing the headlight assembly on your own can be a daunting task, but it’s definitely doable with the right instructions and tools. By following these simple steps, you can ensure that your GMC Sierra-2500HD is driving safely down the roads once again.

What is the cost of replacing the 2015 GMC Sierra-2500HD headlights?

It can cost you between a few hundred dollars to more than a grand for a 2015 GMC Sierra-2500HD headlight assembly upgrade. The range is broad because of the headlight replacement assembly, as you also need to see the design and model of the vehicle. If the headlight assembly is more complex, then it will be more expensive.

The OEM replacement headlight assembly costs more than $450, while you will also be able to find headlight assemblies for less than $175. Whether the headlight assembly is replaced by yourself or the labor, the labor has to be factored into the cost, which will be more than $100 per hour, and it usually takes around two hours for the complete headlight assembly replacement.

Some of the factors that will determine the cost of replacement headlight assemblies include:

  • The type of replacement headlight assembly
  • Whether you are doing the job yourself or taking it to a mechanic
  • The make and model of your car
  • If brand new OEM headlights are being used, rather than a compatible alternative
  • Any additional features included in the replacement headlight assembly, such as LED lights or projector beams.

These tips should help you save some money on your next headlight assembly replacement. However, always be sure to consult with a professional before making any decisions about replacing your car’s headlights. Headlights are an important part of driving safety, and should not be taken lightly.

Final Thoughts

Many iterations and versions incorporate different technologies when you have a plan for GMC Sierra-2500HD headlight assembly upgrade. This way, you will allow a bit old model GMC Sierra truck to be upgraded, thus modernizing the looks and offering it a new life. Different innovations like LED headlights, smoked headlights, and even halo headlights are readily available for you to buy, so you should replace your aging headlights with the headlight kit replacement that best matches your needs.

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