10 Best Submersible Trailer Lights 2025 in the United States

The Partsam 12V Submersible Square LED Trailer Light is a versatile lighting solution suitable for various vehicles under 80 inches wide, such as trucks, trailers, boats, and RVs. Its waterproof rating of IP68 ensures it remains functional even when submerged, making it a great choice for marine and snowmobile trailers. The brightness is enhanced with 15 and 19 diodes in the curbside and street-side lights, respectively, which provide high visibility and contribute to safety on the road.

The lights also serve multiple functions, including stop, turn signal, tail, and side marker lights, as well as license plate illumination, making them very practical. They are DOT compliant, further ensuring their reliability and adherence to safety standards. The lights are designed for durability, with plastic lenses engineered to keep water out and protect the circuits, making them suitable for long-term use and adverse weather conditions.

Installation is straightforward, and the product comes with all necessary hardware, although users might need some basic knowledge of wiring. The Partsam lights operate on a standard 12-volt system, making them compatible with most towing vehicles within the specified width. One possible drawback is that the plastic lens material might not be as robust as glass alternatives, although it does help keep the weight and cost down. These lights are a solid choice for anyone needing reliable, bright, and versatile submersible trailer lights.

The MAXXHAUL 70205 Trailer Light Kit is designed to offer a comprehensive lighting solution for various types of trailers, including boat trailers and RVs. A standout feature is its waterproof and submersible design, ensuring that the lights remain functional even when submerged in water, which is essential for marine applications.

These LED lights provide excellent brightness and have a longer lifespan compared to traditional incandescent lights, enhancing visibility and safety on the road. They are also DOT compliant, which means they meet legal safety standards for trailers. Installation is straightforward due to the 22 ft. split Y-style color-coded wiring harness, making it accessible even for those who are not very experienced with electrical work. The UV-coated wiring harness adds to the kit's durability by protecting it against harsh weather conditions.

The plastic lens material might not be as durable as other materials like polycarbonate, which could be a concern for more rugged use. This kit operates on a 12V system, which is standard for most trailers, ensuring broad compatibility. The MAXXHAUL 70205 is a solid choice for those needing reliable and easy-to-install submersible trailer lights, particularly if you prioritize ease of installation and long-lasting brightness.

These Susicit submersible trailer lights are designed for use on trucks, boats, and trailers, offering solid waterproofing and submersible capability thanks to their sealed polycarbonate housing. Each light includes over 12 bright LED super diodes, providing good visibility for stop, turn, tail light, and license plate functions at 12 volts and 5 watts of power. The brightness level should be sufficient for most rear lighting needs, enhancing safety even in wet or underwater conditions.

The compact dimensions (8 x 3 x 1 inches) and low profile make them easy to fit without adding bulk. Installation is relatively straightforward with three wires per light, including a ground ring, and no assembly is required. The lights are compatible with standard 12V systems, making them suitable for a wide range of vehicles.

While the polycarbonate material is durable, the product's weight and dimensions might not fit every trailer model perfectly, so checking compatibility beforehand is important. Some users may find the wiring a bit basic if their setup requires more complex connections. These lights provide reliable performance with a strong waterproof rating and clear LED brightness, making them a good choice if you need durable, submersible rear trailer lights without much fuss.