Best Rear Side Marker Light Assemblies of 2026
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Rear side marker light assemblies are essential components of any vehicle’s lighting system, typically mounted on the rear fender or quarter panel to provide additional illumination and indicate the vehicle’s width and position on the road. These lights are particularly important for larger vehicles, such as trucks and trailers, as they enhance visibility and reduce the risk of accidents. Rear side marker light assemblies are available in various shapes, sizes, and LED or traditional bulb options, and are easy to install as individual units or as part of a larger lighting kit.
At a Glance: Our Top Picks
Top 10 Products
Nilight TL-03 LED Side Marker Lights
• Best LED Side Marker Light Assembly
Nilight TL-03 10 PCS 3/4” Round Clearance LED Front Rear Side Indicator Bullet Marker Light for Truck RV Car Bus Trailer Van Caravan Boat (12V, Amber)
The Nilight TL-03 LED Side Marker Lights from Nilight are designed to enhance nighttime visibility with their compact size and bright 60-lumen output from three SMD LEDs. The surface mount design and rubber grommet make installation easy and secure, while the IP68 waterproof rating ensures durability against water and harsh weather. These versatile lights can be used on trucks, RVs, and boats as clearance or turn signal lights.
What We Like
- ✓ Very bright illumination
- ✓ Easy installation
- ✓ Waterproof design
- ✓ Compact size
- ✓ Versatile automotive uses
Nilight 10PCS 3/4" Mini LED Side Marker Lights
• Best Sealed Side Marker Light Assembly
Capacity: 4 Inch
Nilight 10 PCS 3/4 Inch Round Mini LED Clearance Light LED Front Rear Side Marker Indicator Light Bullet Marker Light for Truck RV Car Bus Trailer Van Caravan Boat (12V, Red+Amber)
The Nilight 10PCS 3/4″ Mini LED Side Marker Lights from Nilight offer bright and compact 60-lumen lighting to enhance vehicle visibility at night. With a surface mount design and a 9-inch two-wire setup, these lights are easy to install on a wide range of 12V vehicles, including cars, trucks, trailers, and boats. Their waterproof and sealed construction protects against cracks and damage, ensuring a durable and reliable lighting solution.
What We Like
- ✓ Easy installation
- ✓ Bright LED lights
- ✓ Sturdy wire pigtails
- ✓ The product offers good value for the price.
- ✓ Waterproof construction
Nilight TL-13 10 PCS Amber Red 3.8” 6 LED Marker Lights
Capacity: 8 Inch
Nilight 10 PCS Amber Red 3.8 Inch 6 LED Side Marker Front Rear Indicator Clearance Lamp for 12V Truck Trailer RV Cab Boat Bus Lorry
The Nilight TL-13 10 PCS Amber Red 3.8″ 6 LED Marker Lights from Nilight are an excellent choice for trucks, trailers, RVs, boats, or buses, providing excellent brightness of 120LM from 6 high-intensity LED lights. These well-sealed lights are durable and resistant to water and dust, with a simple 2-wire connection and easy mounting using the provided foam tape base. The Nilight LED Marker Lights are versatile, serving as marker lights, clearance lights, and indicator lights, and come with a 2-year warranty.
What We Like
- ✓ Very bright illumination
- ✓ Easy installation process
- ✓ The product offers good value for the price.
- ✓ Water-resistant design
- ✓ Versatile usage options
Nilight TL-14 10PCS 3.8” 6 Amber Indicator Rear Side Truck Trailer RV Cab Boat Bus Lorry LED Marker Clearance Light
The Nilight TL-14 LED Marker Clearance Light is an excellent choice for use as a marker light, featuring 6 high-intensity LEDs that output a bright 120LM light. The light is well-sealed to prevent damage, and the installation process is simple and straightforward. The light is widely used and ideal for most 12V trailers, buses, trucks, RVs, boats, and more.
What We Like
- ✓ Bright LED illumination
- ✓ Easy installation process
- ✓ The product is weather and water resistant.
- ✓ Affordable price
- ✓ Versatile applications
Nilight TL-16 LED Marker Light
Nilight 2PCS 3.9 Inch Front Rear Side Marker Lights 3 LED Amber Clearance Indicator Lamp Waterproof Sealed Surface Mounted for 12V Truck Trailer Camper RV
The Nilight TL-16 LED Marker Light is a perfect solution for trucks, trailers, or any 12V vehicle, providing excellent amber light output with its upgraded LEDs and micro-reflex faceted reflector design. The highly sealed construction allows the light to withstand all weather conditions, and installation is easy with the simple wiring setup and included screws. Nilight offers a 2-year warranty on this marker light.
What We Like
- ✓ Easy installation process
- ✓ Bright LED illumination
- ✓ The product has a weatherproof and durable design.
- ✓ The product offers good value for the price.
- ✓ Versatile vehicle compatibility
Partsam 2PCS 3 LED Truck Trailer Front Rear LED Side Marker Lights [DOT Approved] indicator Lamp Sealed & Waterproof Surface Mounted Installation Amber 3.9"
The Partsam 2PCS 3 LED Truck Trailer Marker Lights are versatile and can function as LED marker lights, clearance lights, identification lights, and trailer lights. The waterproof and sealed lenses make them suitable for left, right, front, and rear roof top clearance lighting on various 12V vehicles, such as pickups, trucks, trailers, SUVs, caravans, campers, motorhomes, boats, and buses. The product comes with stainless screws for easy installation, but it is hardwired and not plug and play.
What We Like
- ✓ The product can function as LED marker lights, clearance lights, identification lights, and trailer lights.
- ✓ The waterproof and sealed lenses make the lights suitable for various locations on the vehicle.
- ✓ The product is compatible with various 12V vehicles.
Partsam 2Pcs RED AMBER LED Trailer Fender Lights Bullet LED Clearance Marker Light Left Right Amber Front Red Rear, DOT Compliant
The LED Trailer Fender Marker Lights by Partsam come in a pre-wired assembly that can be mounted on the top or side of a trailer fender. They feature a sealed and waterproof design with an amber front clearance light and a red rear clearance light, using a 2-wire design with a ground wire and a power lead. These LED lights are durable, attractive, and inexpensive.
What We Like
- ✓ Pre-wired assembly
- ✓ Waterproof and sealed
- ✓ Attractive and inexpensive
FXC LED Clearence Light for Truck Car Trailer
FXC 'Purishion 10x 3/4 in' Round LED Clearence Light Front Rear Side Marker Indicators Light for Truck Car Bus Trailer Van Caravan Boat, Taillight Brake Stop Lamp (12V, Red+Amber)
The FXC LED Clearence Light for Truck Car Trailer from FXC is a waterproof and durable product that can be used as clearance lamps, side markers or identification lights for various vehicles. It features 3 LED lenses that offer extreme bright light and comes in 3 colors: amber, white and red. The product is easy to install and its universal design makes it compatible with all cars, SUVs, pickups, trucks, trailers and boats. The lamp is SAE P2 PC and DOT approved, and the sealed light ensures waterproof protection. Each item undergoes strict quality control before shipping.
What We Like
- ✓ Easy to install
- ✓ Waterproof and durable
- ✓ The product offers extreme bright light.
Nilight TL-33 LED Marker Lights
Nilight 4PCS 3.9 Inch 3 Led Truck Trailer Light Front Rear LED Side Marker Lights Clearance Indicator Lamp Waterproof Sealed Surface Mounted LED Marker Light
The Nilight TL-33 LED Marker Lights are a set of 4 waterproof, surface mounted lights that can be used as front, rear, or side marker lights on any 12v vehicle. Upgraded with 3 quality piranha LEDs, the lights have a wide lighting angle and high light intensity. The micro-reflex faceted reflector design adds to the light output and appearance, while the sealed lens and housing make them durable in all weather conditions. Installation is simple with just a black and red wire to connect and flat head screws provided.
What We Like
- ✓ The lights can be used as front, rear, or side marker lights on any 12v vehicle.
- ✓ The lights are upgraded with 3 quality piranha LEDs for wider lighting angle and higher light intensity.
- ✓ The micro-reflex faceted reflector design enhances the light output and appearance.
- ✓ The sealed lens and housing make the lights durable in all weather conditions.
- ✓ The installation is simple, requiring just a black and red wire to connect and flat head screws provided.
PSDRIQQ LED Trailer Marker Lights Kit 20-Pack
PSDRIQQ LED Trailer Lights Kit Front Rear Side Marker Clearance Indicators Light Lamp, 10Pack Amber + 10Pack Red DC12-24V 2.5" Waterproof Universal for RV Camper Truck Van Caravan Boat
The PSDRIQQ LED Trailer Marker Lights Kit 20-Pack from PSDRIQQ offers bright, reliable illumination with two LEDs in each lamp, ensuring visibility even in daylight or poor weather. These lights work with almost any 12-24V vehicle, serving as side markers, indicators, and clearance lights to keep drivers safe and compliant on the road. With an IP68 waterproof rating and durable build, the lights withstand rain, dust, and shocks, and are energy-efficient, designed to last up to 100,000 hours.
What We Like
- ✓ High brightness visibility
- ✓ Wide vehicle compatibility
- ✓ Multi-functional use
- ✓ Waterproof and durable
- ✓ The product has a long lifespan and is energy-saving.
All You Need to Know About Buying Rear Side Marker Light Assemblies
Frequently Asked Questions (FAQs)
The purpose of side marker lamps is to enable a driver to see another vehicle that is approaching at an angle at night—and to see it early enough that the driver can stop in time to prevent a collision or, at least, slow down to reduce the severity of the collision.
Side marker lamps have been required by FMVSS No. 108 since it was promulgated as one of the initial Federal Motor Vehicles Safety Standards in 1967. The main purpose of side marker lamps is to indicate the overall length of the vehicle.
Marker lights are designed to inform other motorists about the size, shape, and direction of travel of the vehicles on the road.
The front clearance lamps, side marker lamps, reflectors, and backup lamps must display or reflect an amber color.
The research process for rear side marker light assembly products involved evaluating 24 options and shortlisting 10 high-quality products. A comprehensive analysis of 91,430 customer reviews was conducted using a big data system to compile the rear side marker light assemblies list. The findings indicate that most customers prefer rear side marker light assemblies with an average price of $14.90.
The rear side marker light assemblies are available for purchase. Extensive research has been conducted across numerous brands, and the top brands of rear side marker light assemblies have been identified, including Nilight, Partsam, FXC, and PSDRIQQ. The top-ranked product has received honest feedback from 384 consumers with an average rating of 4.7.
