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3157 (P27/7W) Bulbs

By 07.06.2021July 29th, 2021lamps, Socle

Does your car headlight use a 3157 bulb? Then this guide will help you make the right choice among the many bulbs that are on the market.

If you need help choosing a bulb for your car, read our guide to choosing a car lamp, or use the lamp selection for each car model on our website.

3157 Bulbs Guide

Types of bulbs
Bulbs Review
Buying Guide

Best 3157 bulb

What is a 3157 bulb?

Lamps 3157 are quite versatile, such lamps are installed in the front or rear parking lights, stop lights, reversing lights or daytime running lights.

3157 lamps are currently one of the most popular bulbs on the market due to their design and good sealing.

Full High Beam Headlight Flasher

Variety of 3157 car bulbs

3157 bulbs are most commonly installed in dipped beams and fog lights. Depending on the light source, 3157 dipped-beam bulbs are available in different versions:

  • Halogen bulbs
  • LED bulbs
  • HID Xenon lamps

Types of 3157 bulbs

  1. Halogen Bulbs
  2. LED Bulbs
  3. Xenon Bulbs

Best 3157 LED Bulbs

LED 3157 bulbs are usually brighter than halogen bulbs. They last much longer, use less energy, and are easy to install.

The 3157 LED lights are often the perfect choice for those looking for clean, bright, white light. Today, they are considered one of the best. This fact is due to their following advantages:

  • Low power consumption
  • Large operating term
  • Resistance to mechanical vibrations

The lighting device based on diodes is suitable for both low and high beams. In addition to the positives, LED 3157 bulbs to have a disadvantage – the high cost. LED lamps from halogen lamps differ in that the latter are spotlight sources. LED bulbs consist of a cylinder on which LEDs are installed. The most popular 3157 LED bulb manufacturers: OSRAM, Philips, BEAMTECH, HIKARI, Fahren, Cougar Motor, NINEO, Aukee, AUTO ONE, CAR ROVER, and others.

Best 3157 LED Headlight Bulbs

SYLVANIA 3157RSL.BP2 Red LED Bulb

Product information:

  • Base W2 5x16d
  • Voltage 12V
  • Wattage 2.5W

★★★★★ 4,9 Rating

Check Price

3157 Bulbs Review

A review of 3157 bulbs can boil down to a few parameters

It is the type of 3157 bulbs: halogen bulbs, LED bulbs, or xenon lamps. The next factors are the brightness of the bulbs and the color of the lamps.

Lamps with a 3157 base are used for cars with high mileage, which means that the optics will not be in the best condition: faded reflector, cloudy diffuser. In this case, the most interesting option for purchase is lamps with increased luminous efficacy. Careful when buying bulbs with increased brightness and need to be to their light distribution – if they will start to blow on the oncoming lane, the drivers there will be much more noticeable.

The normal practice among well-known manufacturers to indicate on the packaging that the lamps are designed exclusively for off-road use only (for off-road use): For example, such lamps can be put in the headlight-seeker or headlamp chandelier raid car, but on the road, they really have nothing to do.

As for the color temperature, of course, you can choose any, except that white, going into a bright blue. However, the saturated yellow glow is still better left for the fog lights with transparent diffusers, the main light to make whiter: each color has its own advantages, and here in this combination they are best revealed.

3157 Lamp socket

Make sure you buy the right type of bulb for your car. 3157 bulbs are bulbs for a car headlight or for fog light. You can determine what type of bulb you need for your car by checking this information in your owner’s manual. You can also find out what type of bulb you need by using the bulb selection by make and model of your car using our website. On the car bulb finder page, you will find information on what type of bulbs you need to use.

3157 Bulbs Buying Guide

Once you’ve determined that 3157 bulbs are what you need, you can start searching for the brightest 3157 bulbs. When choosing an 3157 bulb, you need to consider the following factors:

  • Light distribution on the road
  • Power consumption
  • Luminous flux
  • Compliance with light distribution with established standards

Power of 3157 bulbs diode

The power of the LED depends on the brightness of the light it emits, and the higher the quality of the diode, the higher its efficiency will be. We do not recommend that you choose the most powerful and brightest models for your vehicle.

Dependence of power from the cooling system 3157 bulbs

An LED generates a lot of heat when it emits light, and the higher the wattage of the lamp, the more heat the lamp produces. Poor cooling or poor quality results in the LED not being able to operate at full power.

The noisiness of the 3157 bulbs cooler

If your choice fell on a powerful 3157 lamps with active cooling, then note that the cooler’s poor quality lamps are not only more likely to fail but also create a certain noise and vibration, which can be heard in the cabin. Constant monotonous barely audible hum sooner or later will drive even the most sedate driver crazy.

The brightness of 3157 bulbs

It is customary to measure the brightness of a lamp in lumens, this value indicates how much light you get from the lamp. Lumens indicate the amount of light distributed by any light source. The more lumens, the brighter the light from the lamp. At the same time, fewer lumens give less light.

Bulb Light

Color temperature 3157 bulbs

The most popular 3157 LED bulbs have a color temperature of 5000-6000K, such a bulb is suitable for most cars. If you prefer the yellow color of the headlights, it is better to choose a 3157 lamp with a temperature of 4000K, such a lamp will be less bright, but more natural for the eyes. Brighter light sources with a temperature of 5000-6000K provide better visibility in rainy weather when the lamp is properly focused than similar light sources with a yellow spectrum. Do not raise the color temperature of the lamp too much and choose 3157 bulbs with 7000-8000 K, regardless of optics and focus, they will not provide the same quality illumination. Modern 3157 LED lamps are capable of producing light with different color temperatures:

  1. Warm white (up to 3500 K)
  2. Neutral white (4200 to 5000 K)
  3. Cold white (temperature 6000 to 10000 K)

Temperature Kelvin

How do I install a 3157 bulb?

To facilitate installation in cramped conditions, the ring of the base on all the bulbs is made removable. First, the ring of the base is installed, clamped by a locking device, then the 3157 diode bulb itself is placed. Sometimes there are problems when installing the light bulb in the headlight, the headlight cover does not close when the cooling system is placed.

Always remember that the choice of automobile lamps 3157 for dipped beams – a responsible thing, because they determine the safety of the road.

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