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.

The CZC AUTO 12V Submersible LED Trailer Tail Light Kit is designed for trailers under 80 inches wide, including boats, utility trailers, trucks, and snowmobiles. It excels in waterproofing thanks to its sonic welding sealing technology and marine-grade glue, making it fully submersible and reliable for use in wet conditions. The LED lights offer high brightness and visibility, with seven combined functions such as stop, turn, tail, side markers, reflectors, and license plate lighting, which covers all essential trailer lighting needs.

The kit runs on 12 volts and includes an 18-gauge pure copper wire harness, supporting good electrical flow and durability underwater. Installation is relatively straightforward with helpful wiring instructions included, although some basic care in wiring connections is recommended to avoid shorts. The lights comply with DOT FMVSS108 standards, meeting safety regulations for road use.

Many users praise its long lifespan and performance. The product requires assembly and proper wiring setup, which might be challenging if you are not comfortable with basic vehicle electrical work. While the kit is designed for trailers under 80 inches wide, it may not fit larger trailers. The brand backs the product with a 12-month warranty and responsive customer service, adding peace of mind. For those needing a dependable, waterproof trailer light kit that covers multiple lighting functions and works well in harsh marine environments, this product is a solid choice.