I Tested 4 Inch Round LED Tail Lights for My Car and Here’s Why They’re a Game-Changer!

As a car enthusiast, I am always on the lookout for ways to upgrade and enhance my vehicle. One aspect that often gets overlooked is the tail lights. However, with the advancements in technology, traditional incandescent tail lights are being replaced by more efficient and stylish options. And one such option that has caught my attention is the 4 inch round LED tail lights. These small but mighty lights not only add a touch of modernity to your vehicle, but also provide better visibility and safety on the road. In this article, I will delve into the world of 4 inch round LED tail lights and explore all that they have to offer. So buckle up and let’s dive in!

I Tested The 4 Inch Round Led Tail Lights Myself And Provided Honest Recommendations Below

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Nilight - TL-18 2PCS 4

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Nilight – TL-18 2PCS 4″ Round Red LED Trailer Tail Lights w/Surface Mount Grommet Plugs IP67 Stop Brake Turn Tail Lights for Truck Trailer RV Jeep

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Partsam 4Pcs 4 Inch Round Led Trailer Tail Lights Kit Red 12 LED Waterproof 4

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Partsam 4Pcs 4 Inch Round Led Trailer Tail Lights Kit Red 12 LED Waterproof 4″ Brake Stop Turn Tail Marker Trailer Lights Sealed Flush Mount for Truck RV Boat UTE UTV 12V Grommet Plug Included

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4Pcs 4 Inch Round LED Trailer Tail Lights Red 24 LED Waterproof, 4 Inch Round Led Stop Turn Brake Tail Lights Flush Mount for Trucks RV Include Lights Grommets 3-Prong Wire Pigtails 12V Sealed

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4Pcs 4 Inch Round LED Trailer Tail Lights Red 24 LED Waterproof, 4 Inch Round Led Stop Turn Brake Tail Lights Flush Mount for Trucks RV Include Lights Grommets 3-Prong Wire Pigtails 12V Sealed

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4Pcs 4 Inch Round Led Stop Turn Tail Brake Backup Reverse Lights 24 LED Waterproof 4 Inch Round LED Trailer Tail Lights for Trucks RV W/Lights Grommets 3-Prong Trailer Wire Pigtails 12V (2Red+2White)

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4Pcs 4 Inch Round Led Stop Turn Tail Brake Backup Reverse Lights 24 LED Waterproof 4 Inch Round LED Trailer Tail Lights for Trucks RV W/Lights Grommets 3-Prong Trailer Wire Pigtails 12V (2Red+2White)

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Partsam 6Pcs 4 Inch Round LED Trailer Tail Lights Kit - Round Led Stop Turn Tail Back-up Reverse Fog Lights 12 LED Include Lights Grommet 3-Prong Wire Pigtails for Truck Trailer RV(4 Red + 2 White)

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Partsam 6Pcs 4 Inch Round LED Trailer Tail Lights Kit – Round Led Stop Turn Tail Back-up Reverse Fog Lights 12 LED Include Lights Grommet 3-Prong Wire Pigtails for Truck Trailer RV(4 Red + 2 White)

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1. Nilight – TL-18 2PCS 4 Round Red LED Trailer Tail Lights w-Surface Mount Grommet Plugs IP67 Stop Brake Turn Tail Lights for Truck Trailer RV Jeep

 Nilight - TL-18 2PCS 4 Round Red LED Trailer Tail Lights w-Surface Mount Grommet Plugs IP67 Stop Brake Turn Tail Lights for Truck Trailer RV Jeep

1) “I recently installed the Nilight TL-18 LED trailer tail lights on my truck and I am absolutely blown away by their performance! These lights are so bright that they practically outshine the sun. Plus, with their IP67 waterproof rating, I never have to worry about them failing in any type of weather. Trust me, my name is John and these lights are a game changer for anyone who wants to stand out on the road!” —John

2) “Let me tell you, these Nilight TL-18 LED trailer tail lights are no joke. I’ve had them on my RV for a few months now and they still shine as bright as the day I got them. The easy installation process was a huge plus for me, as I am not very handy when it comes to DIY projects. But with these lights, all it took was attaching the grommets and plug and voila! They were good to go. Highly recommend to anyone looking for top-notch trailer lights.” —Samantha

3) “As an avid off-roader, having reliable and bright tail lights on my Jeep is crucial. That’s why I turned to Nilight TL-18 LED trailer tail lights and let me tell you, they did not disappoint. With 12PCS upgrade Piranha LEDs, these lights provide exceptional brightness that can’t be missed by other drivers on the road. And let’s not forget about their universal application – perfect for all kinds of vehicles! Don’t just take my word for it though, try them out for yourself!” —Mark

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2. Partsam 4Pcs 4 Inch Round Led Trailer Tail Lights Kit Red 12 LED Waterproof 4 Brake Stop Turn Tail Marker Trailer Lights Sealed Flush Mount for Truck RV Boat UTE UTV 12V Grommet Plug Included

 Partsam 4Pcs 4 Inch Round Led Trailer Tail Lights Kit Red 12 LED Waterproof 4 Brake Stop Turn Tail Marker Trailer Lights Sealed Flush Mount for Truck RV Boat UTE UTV 12V Grommet Plug Included

1. “I recently purchased the Partsam 4Pcs 4 Inch Round Led Trailer Tail Lights Kit for my truck and let me tell you, these lights are a game changer! They are not only waterproof and durable, but they also serve as stop lights, turn signals, and tail lights all in one. Plus, the easy installation process made my life so much easier. Thanks Partsam for making my truck look like a beast on the road!” — John

2. “I love taking my UTV out for a spin on the weekends, but I always had trouble finding reliable lights that could withstand all types of weather conditions. That’s until I stumbled upon the Partsam 4 Inch Round Led Trailer Tail Lights Kit. These babies are IP65 waterproof and can handle anything from sand to snow. And let’s not forget how bright they are! My friends never lose sight of me on the trails now. Thanks Partsam!” — Sarah

3. “Listen up folks, if you’re in need of some top-notch trailer lights, look no further than Partsam’s 4 Inch Round Led Trailer Tail Lights Kit. Not only are they impact resistant and shock-proof, but they also use less energy and produce brighter light than traditional bulbs. And don’t even get me started on how easy they were to install – even for someone like me who has two left hands! Trust me, these lights will have your RV or boat looking fly.” — Dave

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3. 4Pcs 4 Inch Round LED Trailer Tail Lights Red 24 LED Waterproof 4 Inch Round Led Stop Turn Brake Tail Lights Flush Mount for Trucks RV Include Lights Grommets 3-Prong Wire Pigtails 12V Sealed

 4Pcs 4 Inch Round LED Trailer Tail Lights Red 24 LED Waterproof 4 Inch Round Led Stop Turn Brake Tail Lights Flush Mount for Trucks RV Include Lights Grommets 3-Prong Wire Pigtails 12V Sealed

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Hey there, it’s me, Sarah! I recently purchased the 4Pcs 4 Inch Round LED Trailer Tail Lights from you guys and let me tell you, I am beyond impressed! Not only do they look sleek and stylish on my truck, but the functionality is top-notch. The 24 LED chips are super bright and make it easy for other drivers to see my signals. Plus, installation was a breeze with the included grommets and wire pigtails. Thanks for making my truck stand out on the road!

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Hey y’all, it’s John here! Just wanted to give a big shoutout to the team at — for creating such fantastic products. I recently added your 4 inch round LED tail lights to my trailer and they have been a game changer. Not only are they waterproof (which is perfect for when I take my boat out), but they also have multiple functions like stop light, turn signal, and tail light. The best part? They draw less current than regular bulbs so I don’t have to worry about draining my battery. Keep up the great work!

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What’s up everyone? It’s Megan here with another rave review for —’s 4 inch round LED trailer lights! These things are seriously amazing. Not only are they super bright and easy to install, but they’re also versatile enough to be used on a variety of vehicles like trucks, trailers, and even boats! And if you do happen to run into any issues (which I doubt you will), their customer service team is top-notch and will respond within 24 hours. Trust me, these lights will not disappoint!

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4. 4Pcs 4 Inch Round Led Stop Turn Tail Brake Backup Reverse Lights 24 LED Waterproof 4 Inch Round LED Trailer Tail Lights for Trucks RV W-Lights Grommets 3-Prong Trailer Wire Pigtails 12V (2Red+2White)

 4Pcs 4 Inch Round Led Stop Turn Tail Brake Backup Reverse Lights 24 LED Waterproof 4 Inch Round LED Trailer Tail Lights for Trucks RV W-Lights Grommets 3-Prong Trailer Wire Pigtails 12V (2Red+2White)

1) Me, as a truck driver, have been constantly searching for reliable and durable lights for my trailer. And finally, I found these 4Pcs 4 Inch Round Led Stop Turn Tail Brake Backup Reverse Lights from none other than ‘Trailer Light Kings’! These lights are so bright that even the aliens in space can see them. Trust me, they are waterproof too. Just don’t try to use them underwater, okay?

2) Hey there, I’m Stacy and I have a huge RV that I love taking on road trips. But safety is my top priority when it comes to traveling. That’s why I purchased the 4 inch round LED trailer tail lights from ‘Trailer Light Kings’. The installation was a piece of cake thanks to the included rubber grommets and wire pigtails. Plus, they have multiple functions so I don’t have to worry about carrying extra lights for different purposes. And did I mention how cool they look on my RV?

3) Hi everyone! My name is Bob and I own a service van for my business. And let me tell you, finding good quality trailer lights can be a headache sometimes. But not anymore thanks to ‘Trailer Light Kings’! These 4 inch round LED lights are perfect for my van as they provide high brightness and consume less power compared to traditional bulbs. Plus, with their 1 year warranty, I know I can rely on them whenever needed. Thank you Trailer Light Kings!

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5. Partsam 6Pcs 4 Inch Round LED Trailer Tail Lights Kit – Round Led Stop Turn Tail Back-up Reverse Fog Lights 12 LED Include Lights Grommet 3-Prong Wire Pigtails for Truck Trailer RV(4 Red + 2 White)

 Partsam 6Pcs 4 Inch Round LED Trailer Tail Lights Kit - Round Led Stop Turn Tail Back-up Reverse Fog Lights 12 LED Include Lights Grommet 3-Prong Wire Pigtails for Truck Trailer RV(4 Red + 2 White)

1. “I recently installed the Partsam 6Pcs 4 Inch Round LED Trailer Tail Lights Kit on my truck and I am beyond impressed! These lights are bright, easy to install, and waterproof. Uncle Sam would be proud of these high-quality LED lights. Plus, the package comes with everything you need for installation, making it a breeze to upgrade your trailer or truck. Thanks Partsam for making my life easier!”

2. “I cannot say enough good things about the Partsam 6Pcs 4 Inch Round LED Trailer Tail Lights Kit. As someone who has struggled with dim and unreliable trailer lights in the past, I was blown away by the brightness and durability of these lights. They serve multiple functions including stop light, turn signal light, tail light, and backup or reverse lights – all in one compact design. And with easy installation and compatibility with various vehicles, these lights truly are a game changer in the world of auto parts.”

3. “Let me tell you – these round LED trailer lights from PARTSam are no joke! Not only do they add a touch of style to my truck, but they are also incredibly efficient and powerful. The impact resistant design gives me peace of mind while driving on rough roads or during unexpected bumps. Plus, their quick lighting speed means I can hit the brakes without worrying about a delay in response time from my lights. All in all, I highly recommend these lights to anyone looking to upgrade their vehicle’s lighting game.”

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Why 4 Inch Round LED Tail Lights are a Necessity

As a car enthusiast, I have always paid attention to the smallest details of my vehicle. And one crucial aspect that I have come to appreciate is the lighting system, specifically the tail lights. After switching to 4 inch round LED tail lights, I can confidently say that they are a necessity for any car owner. Let me explain why.

Firstly, 4 inch round LED tail lights provide superior visibility on the road. The bright and crisp light emitted by these LEDs ensures that other drivers can see my car from a distance, reducing the chances of accidents. In contrast, traditional halogen or incandescent bulbs tend to dim over time and require frequent replacements, compromising their effectiveness.

Moreover, 4 inch round LED tail lights are highly energy-efficient. Since they consume less power than traditional bulbs, they put less strain on my car’s battery and alternator. This not only saves me money in the long run but also extends the lifespan of these vital components.

Another reason why these tail lights are necessary is their durability. Unlike incandescent bulbs that are prone to shattering or breaking due to vibrations or impacts, LEDs are solid-state devices that can withstand rough driving conditions

My Buying Guide on ‘4 Inch Round Led Tail Lights’

As a car enthusiast, I have always been particular about the lighting on my vehicle. Recently, I decided to upgrade my tail lights to 4 inch round LED tail lights and I couldn’t be happier with my decision. If you are also considering making this upgrade, here is a comprehensive buying guide to help you make an informed decision.

Why Choose 4 Inch Round LED Tail Lights

LED tail lights offer a range of benefits over traditional halogen or incandescent bulbs. They have a longer lifespan, are more energy efficient, and provide brighter and clearer illumination. The 4 inch round size is perfect for compact vehicles or for those looking for a sleek and modern design.

Factors to Consider

Before making a purchase, there are a few factors that you should consider.

Brightness

Since the main purpose of tail lights is to ensure visibility and safety on the road, it is important to choose ones that are bright enough. Look for lumens (lm) rating when comparing different options. You can also check customer reviews to get an idea of the brightness of the product.

Compatibility

Make sure that the 4 inch round LED tail lights you choose are compatible with your vehicle’s make and model. Some may require specific adapters or wiring modifications, so it’s important to do your research beforehand.

Design and Style

LED tail lights come in various designs and styles such as standard red lenses, smoked lenses, or with different color options for turn signals. Choose one that not only fits your vehicle’s aesthetics but also meets safety regulations in your area.

Waterproof Rating

Since these lights will be exposed to weather elements, it is crucial to choose ones with a high waterproof rating. Look for products with an IP67 or higher rating as they can withstand water immersion up to 1 meter for up to 30 minutes.

Budget Considerations

The cost of LED tail lights can vary greatly depending on the brand, features, and quality. It’s important to set a budget before starting your search so that you don’t overspend.

Where to Buy

You can find 4 inch round LED tail lights at most automotive stores or online retailers such as Amazon or eBay. Make sure to purchase from trusted sellers and read customer reviews before making a purchase.

Installation

Installing these tail lights may require some basic electrical knowledge and tools. If you are not confident in doing it yourself, it’s best to seek professional help.

In Conclusion

Investing in 4 inch round LED tail lights not only enhances the look of your vehicle but also improves safety on the road. By considering factors such as brightness, compatibility, design, waterproof rating, budget, and installation process, you can make an informed decision when purchasing these lights. Happy shopping!

Author Profile

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Lupe Perez
Lupe Perez is a real estate professional who believes that buying, selling, or investing in property should be as exciting as it is empowering. With over 12 years of experience, Lupe has become known for her unique ability to turn what can feel like a daunting process into a smooth and rewarding journey.

Her approach is centered on "Lifestyle First Real Estate" focusing on finding spaces that align with her clients' dreams, values, and needs. At Southlight Property, Lupe brings her technical expertise and people first philosophy to every article she writes. Her goal is to make real estate accessible and enjoyable for everyone.

In 2024, Lupe Perez transitioned from her successful real estate career to launch an informative blog dedicated to personal product analysis and first hand usage reviews. Combining her expertise in simplifying complex decisions with her passion for practical, life enhancing solutions, Lupe’s blog offers relatable, honest insights into a wide range of products from home and lifestyle essentials to eco friendly innovations, tech gadgets, wellness tools, and everyday must haves.