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Do I need H11 or 9005?

When it comes to automotive lighting, the choice between H11 and 9005 headlights can be confusing. Both are popular options, but they have distinct differences in terms of size, compatibility, and performance. In this article, we'll explore the key distinctions between these two headlight types to help you make an informed decision for your vehicle.


What are H11 and 9005 Headlights?


H11 and 9005 are both types of halogen headlight bulbs, which are commonly used in many vehicles. The numbers refer to the specific size and shape of the bulb, which determines its compatibility with different vehicle models.



  • H11 Headlights: H11 bulbs are a popular choice for many mid-size and larger vehicles, such as sedans, SUVs, and trucks. They are known for their bright, wide-beam illumination and are often used as the primary headlight in these types of vehicles.

  • 9005 Headlights: 9005 bulbs, also known as HB3 bulbs, are typically found in smaller vehicles, such as compact cars and some older models. They provide a more focused, narrower beam of light compared to H11 bulbs.


It's important to note that the choice between H11 and 9005 headlights is largely dependent on the specific make, model, and year of your vehicle. Consult your owner's manual or check with a professional to determine the correct bulb size for your car.


Key Differences Between H11 and 9005 Headlights


While both H11 and 9005 headlights serve the same basic function, there are several key differences to consider:



  • Size and Compatibility: H11 bulbs are larger in size compared to 9005 bulbs, which means they may not be interchangeable between different vehicle models. Ensure that the replacement bulbs you choose are compatible with your car's headlight housing.

  • Beam Pattern: As mentioned earlier, H11 bulbs typically provide a wider, more diffused beam of light, while 9005 bulbs offer a more focused, narrower beam. The beam pattern can affect the overall visibility and illumination on the road.

  • Power Output: H11 bulbs generally have a higher power output, measured in watts, compared to 9005 bulbs. This can result in brighter headlights and improved visibility, but may also impact your vehicle's electrical system and battery life.


When choosing between H11 and 9005 headlights, it's essential to consider the specific needs and requirements of your vehicle. Consult with a professional or do thorough research to ensure you select the right bulb size and type for your car.

Can I use 9006 instead of H11?


If you're in a hurry, let us save you some time - H11 and 9006 are not the same bulb, you cannot replace one with the other, and neither is better than the other, they simply have different designs and fit on different vehicles and/or different beams.



Can I use 9005 as a low beam?


9005 / HB3 Led Bulbs
The 9005 led headlight bulb is a perfect choice for you if you want to experience bright high and low-beam light.



Do you use high-beam or low beam in bad weather?


Driving in fog, rain and heavy snow calls for the use of your low beam lights. The downward directed light is best for cutting through these low-visibility situations. You might think that your high beams would help improve your sight lines, but the light actually gets reflected back to you, causing a glare.



Can I use my high beams if my low beams dont work?


On some vehicles, the headlights are wired so if one goes out, the other does as well. That means a bad connection from corrosion could cause the headlights to go out. Since the high beams are on a different circuit, they often work just fine even when the low beams stop working.



What vehicles take a 9005 headlight?


Due to their brightness and power, 9005 bulbs are often installed in larger vehicles such as SUVs, cars, trucks, and motorcycles. Some car models that use 9005 bulbs include the Audi A4, BMW 3 Series, Honda Accord, Toyota Corolla, Ford Explorer, and Volkswagen Tiguan, among others.



Do I need low beam or high beam bulb?


Low beam headlights should be used in poor conditions like rain, snow, and ice. This is because your high beam lights in these conditions would cause dazzling to other drivers from reflections. Make sure to use these when approaching oncoming vehicles and to use these in more well-lit areas such as in busier cities.



What vehicle does a 9005 headlight fit?


Due to their brightness and power, 9005 bulbs are often installed in larger vehicles such as SUVs, cars, trucks, and motorcycles. Some car models that use 9005 bulbs include the Audi A4, BMW 3 Series, Honda Accord, Toyota Corolla, Ford Explorer, and Volkswagen Tiguan, among others.



Should you use high-beam or low beam at night?


Use low beams on city and town streets and if there's rain, dust, glare, and other weather conditions affecting visibility. Use low beams if following a car within 200 ft. Use high beams on highways only when there is no oncoming vehicle within 500 ft. When drivers approach, change high beams to low beams.



What bulb can I use instead of 9005?


9005 is equivalent to HB3, H10, 9040, 9055, 9140, 9145, 9150, and 9155. Knowing your bulb size is very important because they are vehicle-specific.



Can you replace 9005 with H11?


If you're in a hurry, let us save you some time - H11 and 9005 (HB3) are not the same bulb, you cannot replace one with the other, and neither is better than the other, they simply have different designs and fit on different vehicles and/or different beams.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.