Best Sealed Side Marker Light Assemblies of 2026

Partsam offers a 5-pack of red LED sealed 2" round clearance side marker lights, along with grommets and pigtails for easy installation. The flush mount lights are waterproof, submersible and serve as either side marker or clearance lights. The 2-wire connection makes installation simple, with black being the negative and red being the positive. These lights are perfect replacements for incandescent lights, with dimensions of outer diameter 2.5", inner diameter 2", high diameter 0.75" (with grommet), and drilling holes of 2-5/16". They are universally compatible with any DC12V vehicle, including semi trucks and trailers, service trucks, buses, utility trailers, and more.

The Nilight LED Marker Lights are designed to enhance your nighttime visibility with their compact size and bright output. Each light features three SMD LEDs that produce 60 lumens, ensuring you stay safe during dark conditions. The surface mount design, accompanied by a rubber grommet, makes installation easy and secure. With a waterproof rating of IP68, these lights are built to last, resisting damage from water and harsh weather. Their versatility allows you to use them on various vehicles, including trucks, RVs, and boats, functioning as clearance or turn signal lights.

Introducing the Nilight TL-16 LED Marker Light, a perfect solution for your truck, trailer, or any 12V vehicle. With its upgraded LEDs, this marker light provides excellent amber light output, ensuring high visibility on the road. The micro-reflex faceted reflector design enhances the light output and adds an exquisite appearance to your vehicle. Thanks to its highly sealed construction, this marker light is ready to withstand all weather conditions. Installation is a breeze with the simple wiring setup and included screws. Plus, you can enjoy peace of mind with the 2-year warranty offered by Nilight. Upgrade your vehicle with the Nilight Marker Light today!

The Nilight Mini LED Markers offer bright and compact lighting, perfect for enhancing your vehicle's visibility at night. Each small 3/4-inch light contains three powerful LEDs that produce a clear, 60-lumen glow, helping you stay safe on the road after dark. These lights are easy to install with a surface mount design and come with a 9-inch two-wire setup, making wiring straightforward. Built to last, their waterproof and sealed construction protects against cracks and damage, so you won’t have to worry about replacements. Plus, they fit a wide range of 12V vehicles, including cars, trucks, trailers, and boats, making them a versatile lighting solution for your needs.

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 lights have waterproof and sealed lenses that make them suitable for left, right, front, and rear roof top clearance lighting. The lights are also compatible with various 12V vehicles like pickups, trucks, trailers, SUVs, caravans, campers, motorhomes, boats, and buses. The product comes with stainless screws for easy installation, and the light size is 98mm x 31mm x 26mm. However, it is hardwired and not plug and play.

Nilight LED Marker Lights are an excellent choice for your truck, trailer, RV, boat, or bus. With 6 high-intensity LED lights, they provide excellent brightness of 120LM, ensuring perfect marker lights. These lights are well-sealed, both at the front lens and back wire lead, making them durable and resistant to water and dust. The simple installation process involves a 2-wire connection and easy mounting using the foam tape base provided. The Nilight LED Marker Lights are versatile and widely used, serving as marker lights, clearance lights, and indicator lights. With a 2-year warranty, you can trust in the quality and reliability of these lights.

TMH 50 pcs 3/4 Inch Amber LED Mini Round Miniature Side Marker Lights are perfect for trucks, lorries, boats, pickups, buses, and RVs. The pack includes 50 pcs of 3/4 inch Amber Light with Amber Lens Round Bullet Miniature side marker, each light has a brightness of 60 lumen with 3 pcs High Quality SMD LED which have a 100,000hrs Lifetime. The lights are PC lens, waterproof, shockproof, and dustproof. The product comes with a FREE High-Quality Rubber Cover which makes installation easy without any cracks forever.

These LED Trailer Fender Marker Lights by Partsam come in a pre-wired assembly that can be mounted on the top or side of your trailer fender. They are sealed and waterproof with 1 amber front clearance light and 1 red rear clearance light. The amber LED light points towards the front of the trailer to act as a front clearance light while the red LED light faces rearward to act as a rear clearance light. They use a 2-wire design that includes a ground wire and a lead wire for power. These LED lights are durable, attractive, and inexpensive.

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.