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The 7440 bulb is designed for signal filaments, such as turn signals or backup lights.
What is a 7443-bulb used for?The 7443 bulb is used for dual filaments, such as:
While not identical, the 7443 and 3157 bulbs are similar and often compared. Key differences include:
7440 and 7443 LED bulbs are widely used for daytime running lights, parking lights, turn signals, brake lights, and backup lights in automotive lighting. These bulbs offer superior brightness, energy efficiency, and longevity compared to traditional halogen bulbs.
Besides being somewhat similar in name, 7440 and 7443 bulbs have notable differences in design, capabilities, and compatibility.
7440 Bulbs: Single filament bulbs, typically used for turn signals, brake lights, and reverse lights.
7443 Bulbs: Dual filament bulbs, allowing for multiple functions like running lights and brake lights.
While they might seem interchangeable, they are designed for different functions and vehicle placements.
7440 bulbs are typically used in the rear of your vehicle for turn signals and brake lights.
7443 bulbs are commonly installed in the front, powering running lights and turn signals.
Enhanced Visibility: LED bulbs provide brighter and more consistent illumination, ensuring better visibility and safety on the road.
Energy Efficiency: LED technology consumes significantly less power than halogen or incandescent bulbs, reducing strain on your vehicle’s electrical system.
Longevit: With an extended lifespan, LED bulbs last much longer than traditional bulbs, minimizing the need for frequent replacements.
High Brightness: Our LED bulbs provide superior luminosity, enhancing visibility for safer driving conditions.
Durability: Built to withstand harsh automotive environments, these bulbs are resistant to vibrations and extreme temperatures.
Easy Installation: Designed for a hassle-free installation, these plug-and-play LED bulbs require no professional assistance—simply replace your old bulbs and enjoy immediate improvements.
7440 and 7443 LED bulbs are compatible with a wide range of vehicles, including popular models from Toyota, Honda, Ford, Chevrolet, and Nissan.
Daytime running lights
Parking lights
Turn signals
Brake lights
Reverse lights
Tail lights
The first question you should ask yourself is: What function do you need the bulb to perform?
Choose 7440 if you need a single filament bulb for turn signals, brake lights, or reverse lights.
Choose 7443 if you need a dual filament bulb for running lights and brake lights.
Additionally, a 7443 can replace a 7440 as a single filament option, but a 7440 cannot replace a 7443 because it lacks dual filament functionality. Always check your OEM bulb to confirm compatibility.
Explore our collection of 7440 and 7443 LED bulbs and experience superior brightness, efficiency, and durability. Don’t miss out on our exclusive discounts and promotions—shop now and give your vehicle the lighting upgrade it deserves!
Upgrade your car or truck’s lighting look in no time with the pros from Underground Lighting.
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