9003 Replacement Light Bulbs

What car does a 9003 bulb fit
Specify make, year and model to find matching bulbs:
  Why?

After extensively researching a number of different independent tests, we have chosen the 9003 lamps based on the brightness, durability and lifespan.

2022 Upgraded AUXITO H4/9003 LED Headlight Bulb 100W... HELLA H4 35/35WTB Standard Halogen Bulbs Fahren H4/9003/HB2 LED Headlight Bulbs
Photo 2022 Upgraded AUXITO H4/9003 LED Headlight Bulb 100W 20000LM 6500K HELLA H4 35/35WTB Standard Halogen Bulbs Fahren H4/9003/HB2 LED Headlight Bulbs

Product specifications (main)

Size 9003 9003 9003
Type LED Halogen LED
Wattage 50W 35W 35W
Voltage 12V 12V 12V
Color Temperature 6000K 3200K 6500K
Manufacturer Part Number B09JZ6QZ6T B078SGSQ6Q B07ZD8CGNQ

Product specifications (additional)

Light output 10000 Lm 7000 Lm
Lifespan 50000 Hours 560 Hours 50000 Hours
Weight 1.76 Oz
Bulb Length 4.72 In

Price

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Product Specifications (main)

Size

9003
9003
9003

Type

LED
Halogen
LED

Wattage

50W
35W
35W

Voltage

12V
12V
12V

Color Temperature

6000K
3200K
6500K

Manufacturer Part Number

B09JZ6QZ6T
B078SGSQ6Q
B07ZD8CGNQ

Product Specifications (additional)

Light output

10000 Lm
7000 Lm

Lifespan

50000 Hours
560 Hours
50000 Hours

Weight

1.76 Oz

Bulb length

4.72 In

Price


General characteristics

The 9003 automotive light bulb is a standard size headlight that is used in many cars. It is also called HB2 or H4. The bulb gives off a bright, white light that makes it easier to see at night.

This light bulb belongs to the first category of automotive bulbs and they don`t have general restrictions on usage. This means that a 9003 bulb may be used both in headlights and brake lights, as well as in signaling lights and fog lights.

It is a halogen bulb that has a tungsten filament inside of it. The tungsten filament is heated by an electric current and produces light. The 9003 bulb has 2 filaments which means that it can produce both low and high beams of light.

In case a driver wants to buy the 9003 bulbs, they should know such general characteristics as size, color, quality, and power input. So, this lamp has 6 V & 12 V: 60 / 55 W or 24 V: 75 / 70 W of nominal power. As for the light color, it is close to natural daylight and is rated at 4500 K on a Kelvin scale. The brightness of this lamp is about 910 lumens. The base is P43t which is a two-pin connector.

As for the size, this bulb has a diameter of 16 mm and a length of 44.5 mm without the base. The 9003 automotive light bulb can be used in different types of cars such as Audi, BMW, Mercedes, Volkswagen, Volvo, and so on.

Besides all of these characteristics, the 9003 bulb has a certain lifespan which should also be considered before making a purchase. So, on average, this lamp lasts for 450-500 hours. However, it is important to know that its lifespan depends on the conditions in which it is used. For example, if the bulb is used in a fog light, its lifespan will be shorter than if it is used in a headlight.

Nowadays there are many manufacturers that produce this kind of bulb. So, it is up to a driver to choose the best one according to their needs and preferences.

Are double-filament bulbs better than one-filament?

There is no definitive answer to this question. It depends on what you need the bulb for. If you need a low beam and a high beam, then a double-filament bulb would be better. If you only need one beam, then a single-filament bulb would suffice.

The difference between bulbs that have one and two filaments is the way they produce light. A single-filament bulb has one filament that produces a low beam of light. A double-filament bulb has two filaments: one for the low beam and one for the high beam.

The advantage of a double-filament bulb is that it can produce both beams of light. The disadvantage is that it uses more power than a single-filament bulb.

What is compatible with a 9003 bulb?

The 9003 is a dual-beam bulb, which means it functions for both high and low beams. Bulbs marked as 9003 are nearly identical to ones marked as H4 or HB2. From a technical standpoint, they are completely interchangeable because they have the same base, wattage, and voltage.

Changing a 9003 bulb is not difficult, but it requires a few steps. First, you need to locate the headlight assembly. Second, you need to remove the headlight lens by unscrewing the retaining ring. Third, you need to unplug the electrical connector from the back of the headlight. Fourth, you need to remove the old bulb by unscrewing it from the socket. 

Fifth, you need to insert the new bulb into the socket and screw it in place. Sixth, you need to reconnect the electrical connector. Seventh, you need to replace the headlight lens and screw on the retaining ring. Eighth, you need to test the new bulb to make sure it is working properly.

9003 bulbs are available at most auto parts stores. You can also find them online. When selecting the best brand of the 9003 bulbs, you can check out our charts with certain brand recommendations. They were selected by several categories from reliable sources, so you can be sure of their quality.

Conclusion

The 9003 bulb is a great choice for those who need a high-quality and long-lasting light bulb. It is compatible with many different types of cars and its price is affordable. When choosing the best 9003 bulbs, it is important to consider the brand, quality, and price. Our charts with brand recommendations can help you make the best decision.

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