Brightest and Best 7440 LED Bulb – LED Turn Signal Bulb Reviews

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Are you looking to brighten up your space with the best and brightest 7440 LED bulbs? With so many options available on the market, it can be difficult to determine which bulbs are the best of the best.

In this article, we’ll review some of the top-rated 7440 LED bulbs and provide you with everything you need to make an informed decision. We’ve done the research and testing so you don’t have to, leaving you with more time to enjoy your new and improved space.

iBrightstar Newest 9-30V Super Bright Low Power 7443 7440 T20 LED Bulbs

The iBrightstar Newest 9-30V Super Bright Low Power 7443 7440 T20 LED Bulbs are the perfect replacement for your vehicle’s backup reverse lights, brake lights, tail lights, parking lights, side marker lights, and daytime running lights.

Equipped with 54 SMD 3014 & 3 SMD 3030 high-brightness chips per bulb, these bulbs are more than 300% brighter than original halogen bulbs and feature a full aluminum housing with a projection lens for maximum light output and better heat distribution.

Additionally, these bulbs boast a non-polarity design and are compatible with both CK/SRCK and Standard sockets. With a working voltage of 9v-30v, these bulbs have a service life of up to 30,000 hours and are IP65 waterproof.

Finally, they feature a built-in Constant Current IC for a longer life span and lower power consumption.

Alla Lighting Upgraded Version 7440 7443 LED Strobe Brake Lights Bulbs

This set of 2 Upgraded Version 7440 7443 LED Strobe Brake Lights Bulbs is the perfect solution to enhance your car’s brake lighting performance.

These bulbs provide a powerful 1000 Lumens of brilliant pure red light, with a big difference between the high and low-intensity light output.

With the built-in US-made IC smart driver, the bulbs can strobe flash at the beginning of the braking model and then keep solid light, which blinks for braking stop safety alert, much easier to notice while braking and much safer when stop required.

The bulbs are also compatible with both standard type and CK/SRCK type and have a working voltage of 9V – 24V. So, upgrade your car’s brake light performance with these Upgraded Version 7440 7443 LED Strobe Brake Lights Bulbs!

OXILAM 2022 Upgraded 7440 7443 LED Bulbs White for Reverse Lights

The OXILAM 2022 Upgraded 7440 7443 LED Bulbs White for Reverse Lights is the perfect solution for your vehicle’s lighting needs.

This product is 600% brighter than halogen bulbs and is powered by a built-in intelligent IC driver. Featuring a 60,000 hour long lifespan, these bulbs provide 360° illumination and 95% compatibility with CANBUS systems.

Compatible with 992, 7440, 7441, 7443, 7444, W21W, WY21W, 7440NA, 7440NAK, 7444NA, 7444NAK, 7443LL, T20 sockets, these bulbs are great for backup reverse lights, brake lights, tail lights, turn signal blinker lights, and day time running lights.

With a voltage of DC 12V, high power of 8w/bulb, a size of 2.16 x 0.79 x 0.79 inches, and a lumen of 4000lm/pair, these bulbs are the perfect upgrade for your vehicle.

AUXITO Upgraded 7440 7443 LED Bulbs for Reverse Lights

The AUXITO Upgraded 7440 7443 LED Bulbs for Reverse Lights are designed to be super bright and provide a long lifespan.

The bulbs feature 54 4014-SMD LED chips arranged around the bulb, providing 360° of high luminous efficiency with full 6000K white light.

The bulbs also feature an electroplating process housing, which improves oxidation resistance and produces less heat. For a few vehicles, an extra 50W 6-ohm load resistor/flash relay may be required to avoid the error code or hyper flash issue.

These bulbs are a plug and play design, non-polarity, and compatible with 992, 7440, 7441, 7443, 7442, 7444, W21W, WY21W, 7440NA, 7444NA, etc. sockets. Upgrade to AUXITO Upgraded 7440 7443 LED Bulbs for Reverse Lights today for a brighter and safer reversing experience.

SIR IUS LED – FT- 7440 LED Backup Reverse Light Bulb

The SIRIUS LED – FT- 7440 LED Backup Reverse Light Bulb is the perfect choice for vehicle lighting.

It is equipped with 3030 + 4014 SMD super bright automotive LED lights, each emitting 540 lumens for a total of 1080 lumens of light output.

The bulb is slightly larger than the original bulb, so please double-check the light fixture space before purchasing. Its air vent design ensures maximum heat dissipation and plug-and-play setup.

This non-Canbus LED bulb is perfect for Backup Reverse Light and might give out a bulb-out error message in some newer European cars. This product comes in a pack of two and is backed by a 1-year warranty for any manufacturing defects.

Best 7440 LED Bulb: Buying Guide

When shopping for the brightest and best 7440 LED bulb, it’s important to keep in mind the following points: brightness, socket compatibility, vehicle compatibility, lifespan, power consumption, and intensity.


The brightness of a bulb is determined by the number of lumens it emits. The brighter the bulb, the higher the lumens. If you want the brightest and best 7440 LED bulb, you should look for one that produces at least 500 lumens.

Socket Compatibility

It’s important to ensure that the bulb you purchase is compatible with the socket that you have. The 7440 LED bulb should have a base that is compatible with the 7440 sockets.

Vehicle Compatibility

Before purchasing an LED bulb, check to make sure that it is compatible with your vehicle. Some LED bulbs are only compatible with certain models of vehicles, so make sure to check the specifications of the bulb before making a purchase.


The lifespan of an LED bulb is typically much longer than that of a traditional bulb. The 7440 LED bulb should have a lifespan of at least 10,000 hours.

Power Consumption

LED bulbs are much more efficient than traditional bulbs and generally consume less power. Look for a bulb that consumes less than 10 watts of power.


The intensity of an LED bulb is determined by its color temperature. The higher the color temperature, the brighter and more intense the light will be. The 7440 LED bulb should have a color temperature of at least 5000K for optimal brightness.


What are 7440 bulbs used for?

7440 bulbs are commonly used as turn signals, tail lights, and backup bulbs in many makes and models of cars.

Are 7440 and 7443 bulbs the same?

Yes, a 7443 bulb can be used as a replacement for a 7440 bulb, although the wattage is different.

Is a 7440 bulb a dual filament?

Yes, a 7440 bulb is a dual filament bulb. It is designed to be used in a socket with dual intensity, but it will also work in a single intensity socket. The 3156 and 7440 bulbs are single filament bulbs, while the 3157 and 7443 bulbs are dual filament bulbs. Dual filament bulbs have two filaments that can be used for different purposes, such as for low and high beams on a headlight. Single filament bulbs have only one filament, which is used for one purpose.

I'm Myrtice Hathaway, an automotive enthusiast, blogger and mother of three. I love to write car product reviews on my blog, RUF, which covers car headlights, winch, and other products. I'm an automotive specialist, and I offer useful tips and guides to my readers so that they can make informed decisions when it comes to car products.My blog also provides a platform for car enthusiasts to connect and discuss their favorite cars. I'm passionate about cars and helping others make the most out of their automotive purchases.

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