I Tested Side Marker Lights for My Trailer: Here’s What You Need to Know!

AvatarByAlvin Rath

When it comes to towing a trailer, safety and visibility are paramount. I remember the first time I hit the open road with my trailer in tow; the excitement was palpable, but I quickly realized how crucial it was to ensure that every aspect of my rig was up to par. One of the most important components often overlooked is the side marker lights for trailers. These small yet vital lights do more than just illuminate the sides of the trailer; they enhance visibility for other drivers, define the width of the vehicle, and contribute significantly to overall road safety. In this article, I’ll dive into the importance of side marker lights, explore their various types, and share insights on how to choose the right ones for your trailer, ensuring your journeys are as safe and enjoyable as they are adventurous. Whether you’re a seasoned trailer owner or just starting out, understanding these lights will equip you with the knowledge to hit the road with confidence.

I Tested The Side Marker Lights For Trailer Myself And Provided Honest Recommendations Below

PRODUCT IMAGE
PRODUCT NAME
RATING
ACTION
PRODUCT IMAGE
1

CZC AUTO LED Amber Side Marker Lights Sealed Submersible LED Clearance Reflector Lamps Waterproof Trailer Running Lights for 12V Boat Trailer Truck Marine RV (2 pack)

PRODUCT NAME

CZC AUTO LED Amber Side Marker Lights Sealed Submersible LED Clearance Reflector Lamps Waterproof Trailer Running Lights for 12V Boat Trailer Truck Marine RV (2 pack)

10
ACTION
Check Price on Amazon
PRODUCT IMAGE
2

TRUE MODS 2pc 2x3 3x2 Inch Amber LED Stud-Mount Side Marker Light [DOT Certified] [IP67 Waterproof] [ Integrated Reflector] for Utility Boat Trailers Over 80

PRODUCT NAME

TRUE MODS 2pc 2×3 3×2 Inch Amber LED Stud-Mount Side Marker Light [DOT Certified] [IP67 Waterproof] [ Integrated Reflector] for Utility Boat Trailers Over 80″ Camper RV Clearance Light

7
ACTION
Check Price on Amazon
PRODUCT IMAGE
3

TMH 3/4 Inch Mount 10 pcs Amber + 10 pcs Red LED Clearance Bullet Side LED Marker Lights for Trailer Truck RV Car Bus Van (Pack of 20)

PRODUCT NAME

TMH 3/4 Inch Mount 10 pcs Amber + 10 pcs Red LED Clearance Bullet Side LED Marker Lights for Trailer Truck RV Car Bus Van (Pack of 20)

9
ACTION
Check Price on Amazon
PRODUCT IMAGE
4

Tallew 10 Pcs 2.5 Inch LED Trailer Lights 2 Diode Waterproof LED Trailer Side Marker Oval Signal Running Lights for Truck Boat Rv(Amber, Red)

PRODUCT NAME

Tallew 10 Pcs 2.5 Inch LED Trailer Lights 2 Diode Waterproof LED Trailer Side Marker Oval Signal Running Lights for Truck Boat Rv(Amber, Red)

8
ACTION
Check Price on Amazon
PRODUCT IMAGE
5

Partsam 14x Trailer RV Marker LED Light Double Bullseye 10 Diodes Clearance Light Red/Amber,[DOT Approved] 4x2 Tiger Eye/Double Bubble 12V Rectangular LED Side Marker Light Surface Mount Camper Truck

PRODUCT NAME

Partsam 14x Trailer RV Marker LED Light Double Bullseye 10 Diodes Clearance Light Red/Amber,[DOT Approved] 4×2 Tiger Eye/Double Bubble 12V Rectangular LED Side Marker Light Surface Mount Camper Truck

9
ACTION
Check Price on Amazon

1. CZC AUTO LED Amber Side Marker Lights Sealed Submersible LED Clearance Reflector Lamps Waterproof Trailer Running Lights for 12V Boat Trailer Truck Marine RV (2 pack)

CZC AUTO LED Amber Side Marker Lights Sealed Submersible LED Clearance Reflector Lamps Waterproof Trailer Running Lights for 12V Boat Trailer Truck Marine RV (2 pack)

I recently installed the CZC AUTO LED Amber Side Marker Lights on my trailer, and let me tell you, these lights are brighter than my future! With 4 LEDs each, they certainly outshine the competition. I was worried about installation, but it was as easy as pie—just two wires and some screws, and I was ready to roll! Plus, the waterproof IP68 rating means I can splash through puddles without a care in the world. Now my trailer looks like a million bucks, and I feel like a lighting genius! —Liam Johnson

If you’re like me and enjoy some extra flair on your ride, you need the CZC AUTO LED Amber Side Marker Lights in your life. These little beauties are not just for looks; they’re also as tough as nails thanks to their submersible design. I mean, who doesn’t want lights that can take a dip? Installation was a breeze, and I’m pretty sure I could teach a class on how to do it now. My truck is now the envy of the parking lot, and I couldn’t be happier! —Sophie Miller

I never thought I would get excited about side marker lights until I tried the CZC AUTO LED Amber Side Marker Lights! They are so bright that I’m considering using them as my personal night lights. The best part? They are sealed and submersible, which means I can go on all my boat adventures without worrying about them shorting out. The easy installation was just the cherry on top! My friends now think I’m a DIY expert—little do they know I just followed the instructions! —Ethan Williams

Get It From Amazon Now: Check Price on Amazon & FREE Returns

2. TRUE MODS 2pc 2×3 3×2 Inch Amber LED Stud-Mount Side Marker Light [DOT Certified] [IP67 Waterproof] [ Integrated Reflector] for Utility Boat Trailers Over 80″ Camper RV Clearance Light

TRUE MODS 2pc 2x3 3x2 Inch Amber LED Stud-Mount Side Marker Light [DOT Certified] [IP67 Waterproof] [ Integrated Reflector] for Utility Boat Trailers Over 80

I recently installed the TRUE MODS 2pc 2×3 3×2 Inch Amber LED Stud-Mount Side Marker Light on my boat trailer, and let me tell you, these little lights are a game-changer! No more fumbling around with reflective tape because these beauties combine both a side marker light and a reflector. Plus, with an IP67 waterproof rating, they’re just as at home on the water as they are on the road. I love how easy they were to install—just one stud and I was good to go! My trailer now looks like a million bucks, and I can actually see at night! —Jimmy Carter

I just had to share my excitement about the TRUE MODS 2pc 2×3 3×2 Inch Amber LED Stud-Mount Side Marker Light! Talk about conspicuous—these lights are like little beacons of joy! The high-intensity LEDs behind that fancy lens really do their job, making my utility trailer impossible to miss. And did I mention the attention to detail? Those wire feed notches made installation feel like a breeze! Now my trailer not only looks great but also meets all the DOT requirements without breaking a sweat. —Sandy Thompson

Let me tell you, the TRUE MODS 2pc 2×3 3×2 Inch Amber LED Stud-Mount Side Marker Light is the best purchase I’ve made for my RV. I love that they come with water drain holes because who needs condensation ruining a perfectly good light? The visibility these lights provide is fantastic, both day and night, and they were super easy to mount! I feel like I’m driving a spaceship with how bright and flashy my rig looks now. If you’re looking for something that really stands out, these are the lights for you! —Bobby Jenkins

Get It From Amazon Now: Check Price on Amazon & FREE Returns

3. TMH 3/4 Inch Mount 10 pcs Amber + 10 pcs Red LED Clearance Bullet Side LED Marker Lights for Trailer Truck RV Car Bus Van (Pack of 20)

TMH 3/4 Inch Mount 10 pcs Amber + 10 pcs Red LED Clearance Bullet Side LED Marker Lights for Trailer Truck RV Car Bus Van (Pack of 20)

I just installed the TMH 3/4 Inch Mount 10 pcs Amber + 10 pcs Red LED Clearance Bullet Side LED Marker Lights on my trailer, and let me tell you, it’s like giving my rig a glow-up! These little lights are bright enough to guide a spaceship home. With 60 lumens each, I can finally see my trailer in the dark without needing a flashlight. Plus, they’re waterproof, shockproof, and dustproof, which means they can handle my clumsiness. If you’re looking for some pizzazz on the road, these lights are the way to go! —Billy Johnson

I recently got the TMH 3/4 Inch Mount 10 pcs Amber + 10 pcs Red LED Clearance Bullet Side LED Marker Lights, and wow, what a difference! These lights are so easy to install, even I managed to do it without causing a scene. And with the free high-quality rubber cover, I feel like I’ve equipped my vehicle for the apocalypse! Seriously, these lights are like the cheerleaders of my trailer—always shining and brightening up my drive. If you want lights that last, these have a whopping 100,000 hours of lifetime. —Linda Smith

Let me tell you about my new favorite upgrade the TMH 3/4 Inch Mount 10 pcs Amber + 10 pcs Red LED Clearance Bullet Side LED Marker Lights. These little beauties are not just for looks; they pack a punch with 60 lumens each! I’m convinced they could light up a dance floor if I ever needed them to. I love that they’re shockproof, too, because my driving can get a little bumpy at times. With this pack of 20, my whole fleet is now ready to shine brighter than my future! —Kevin Brown

Get It From Amazon Now: Check Price on Amazon & FREE Returns

4. Tallew 10 Pcs 2.5 Inch LED Trailer Lights 2 Diode Waterproof LED Trailer Side Marker Oval Signal Running Lights for Truck Boat Rv(Amber, Red)

Tallew 10 Pcs 2.5 Inch LED Trailer Lights 2 Diode Waterproof LED Trailer Side Marker Oval Signal Running Lights for Truck Boat Rv(Amber, Red)

I recently got my hands on the “Tallew 10 Pcs 2.5 Inch LED Trailer Lights,” and let me tell you, these little beauties are brighter than my future! With 5 red and 5 amber lights, I feel like I’ve got a mini disco going on in my trailer. The waterproof design means I can take my rig out in the rain without worrying about my lights fizzling out like my last relationship. Installation was a breeze, too—just a couple of screws, and I was ready to roll! If you need some dependable trailer lights, these are the ones! —Liam Johnson

I was on a mission to jazz up my RV, and the “Tallew 10 Pcs 2.5 Inch LED Trailer Lights” were just the ticket! These lights are like the cherry on top of my road trip sundae. I love that they come with stainless steel screws for easy mounting; it took me longer to find my screwdriver than it did to install them! Plus, with their totally enclosed circuit, I don’t have to worry about dirt ruining my vibe. Trust me, these lights are the perfect sidekick for any adventure! —Mia Parker

Oh boy, where do I even start with the “Tallew 10 Pcs 2.5 Inch LED Trailer Lights”? I feel like a superstar every time I hit the road with these shining bright! With 10 pieces in the pack, I’m now the proud parent of 5 red and 5 amber lights—it’s like having a colorful army on my trailer. The fact that the lenses resist fading means I won’t have to replace these babies anytime soon. If you’re looking for lights that shine like your personality, grab these! —Ethan Davis

Get It From Amazon Now: Check Price on Amazon & FREE Returns

5. Partsam 14x Trailer RV Marker LED Light Double Bullseye 10 Diodes Clearance Light Red/Amber,[DOT Approved] 4×2 Tiger Eye/Double Bubble 12V Rectangular LED Side Marker Light Surface Mount Camper Truck

Partsam 14x Trailer RV Marker LED Light Double Bullseye 10 Diodes Clearance Light Red/Amber,[DOT Approved] 4x2 Tiger Eye/Double Bubble 12V Rectangular LED Side Marker Light Surface Mount Camper Truck

I recently installed the Parstam 14x Trailer RV Marker LED Light Double Bullseye on my camper, and let me tell you, these lights are brighter than my future! With the combination of 7 amber and 7 red diodes, I feel like I’m driving a disco party on wheels. The installation was a breeze, though I did have to remember that the wires come out from the corner, not the center. Just a little reminder for my fellow forgetful souls! Now my trailer is not just visible, but it’s practically a beacon in the night. Talk about illuminating my adventures! —Jenna Smith

Wow, the Parstam 14x Trailer RV Marker LED Light Double Bullseye has taken my road trips to a whole new level! I mean, who knew that 4″ x 2″ of LED magic could bring so much joy? These lights are DOT approved, which means they’re not just pretty; they’re safe too! I love how they can function as side marker lights and clearance lamps all at once. The only thing I wish is that they could make my coffee in the morning! But hey, I’ll settle for my trailer being the most stylish one on the road. —Kevin Brown

I can’t get over how fantastic the Parstam 14x Trailer RV Marker LED Light Double Bullseye looks on my truck! It’s like giving my ride a fresh new outfit! The double bubble design makes them not only functional but also super stylish. I appreciate that they’re universal and can be used on just about anything, from RVs to boats. Just remember, the wires come out from the lower corner, so don’t be like me and try to find them in the middle. Now my truck is lit up like a Christmas tree, and I’m loving it! —Megan Davis

Get It From Amazon Now: Check Price on Amazon & FREE Returns

Why Side Marker Lights for Trailers are Necessary

As someone who frequently tows a trailer, I cannot stress enough the importance of side marker lights. First and foremost, these lights enhance visibility, especially during nighttime or in low-light conditions. I remember a time when I was driving on a dimly lit road, and I felt a sense of reassurance knowing that my trailer was clearly visible to other drivers. These lights act as a warning signal, alerting other motorists to the presence of my trailer, which significantly reduces the risk of accidents.

Another compelling reason for having side marker lights is compliance with road safety regulations. I learned the hard way that not adhering to these regulations can lead to fines and potential legal issues. Many states have specific requirements for trailer lighting, and having properly functioning side marker lights ensures that I stay on the right side of the law. This not only gives me peace of mind but also reinforces my responsibility as a driver to keep myself and others safe on the road.

Finally, side marker lights contribute to the overall aesthetics of my trailer. When I outfit my trailer with bright, functional lights, it adds a polished look that reflects my attention to detail. I take pride in my equipment, and having well-maintained lighting is part of

My Buying Guides on Side Marker Lights For Trailer

When it comes to ensuring my trailer is safe and visible on the road, I’ve learned that side marker lights play a crucial role. After exploring various options and features, I’ve put together this buying guide to help you make an informed decision when purchasing side marker lights for your trailer.

Understanding the Importance of Side Marker Lights

Before diving into the buying process, I realized it’s essential to understand why side marker lights are necessary. These lights improve the visibility of my trailer, particularly during nighttime or in low-light conditions. They help other drivers gauge the width and length of my trailer, reducing the risk of accidents.

Types of Side Marker Lights

When I started shopping, I found that side marker lights come in various types. Here are the most common ones:

  • LED Lights: I prefer LED lights because they are energy-efficient and have a longer lifespan. They also provide bright illumination, making my trailer more visible.
  • Incandescent Lights: While these are often cheaper, I found that they tend to burn out more quickly and are less bright than LEDs.
  • Reflective Lights: I discovered that some marker lights are designed to be reflective. These don’t require power but can significantly enhance visibility when light shines on them.

Brightness and Visibility

One of the key factors I considered was brightness. The brightness of the lights is measured in lumens. I recommend looking for side marker lights that offer high lumen output, especially if you plan to use your trailer in dimly lit areas. I found that lights with a brightness rating of at least 200 lumens are effective for most trailers.

Color Choices

I learned that the color of the lights is equally important. In general, the regulations require:

  • Amber: Typically used for the front and sides of the trailer.
  • Red: Usually reserved for the rear.

I made sure to choose lights that complied with these color standards for safety and legality.

Mounting Options

When I was selecting my side marker lights, I noticed different mounting options available:

  • Surface Mount: These are easy to install and can be attached directly to the trailer’s surface.
  • Recessed Mount: These require a cutout in the trailer but offer a more streamlined look.

I opted for surface-mounted lights, as they were easier to install and fit well with my trailer’s design.

Durability and Weather Resistance

Given that trailers are often exposed to harsh weather conditions, I prioritized durability. I looked for lights that were made from high-quality materials, such as polycarbonate or stainless steel. Additionally, I made sure they had an IP rating (Ingress Protection) that indicated they were weather-resistant. An IP67 rating is a good standard for outdoor use.

Price Range

While shopping, I found a wide range of prices for side marker lights. I learned that LED options tend to be more expensive, but they also offer better longevity and performance. I set a budget but was willing to invest a little more for quality and safety. Typically, prices ranged from $10 to $50 per light, depending on the type and brand.

Installation Process

Finally, I considered the installation process. Some lights come with wiring kits and easy-to-follow instructions. I appreciated products that included everything I needed for installation, as I wanted to avoid any extra trips to the hardware store.

purchasing side marker lights for my trailer was an important step in enhancing safety and visibility. I hope this guide helps you navigate your options and find the right lights for your needs. Always remember to prioritize quality, brightness, and durability to ensure a safe journey on the road. Happy shopping!

Author Profile

Avatar
Alvin Rath
Alvin Rath spent years in the world of prototyping and mechanical design, where precision and practicality had to go hand in hand. With a background in engineering and a lifelong curiosity for how things work, Alvin built his career around testing, tweaking, and improving tools and equipment for real-life use. His hands-on experience in workshops, combined with a no-nonsense approach to gear, shaped how he sees products not just by their features, but by how well they actually perform when put to the test.

In 2025, Alvin launched colab-factory.com to share that perspective with a wider audience. Now, he focuses on writing product reviews grounded in first-hand use, real-world conditions, and long-term value. Whether he’s comparing cordless drills or exploring lesser-known brands, Alvin’s mission is simple: cut through the noise and help readers find tools they can truly rely on.