12V-24V 31-LED Side Marker Light | Truck Trailer Turn Signal

12V–24V 31-LED Side Marker & Turn Signal Light for Trucks, Trailers & Vans

Keep your heavy-duty vehicle visible and road-legal with this bright 31-LED side marker and turn signal light. Engineered for trucks, trailers, lorries, buses, vans, and caravans, this waterproof side clearance lamp delivers high-visibility illumination at both 12V and 24V DC — making it a truly universal fit for a wide range of commercial and recreational vehicles.

With a built-in projection feature, this light actively alerts pedestrians and nearby vehicles to your presence, improving on-road awareness in low-light or tight-clearance situations. The aluminum bracket ensures a sturdy, long-lasting mount, while screw-in installation keeps setup quick and straightforward.

Made in Mainland China.

Key Features

• Universal Voltage: DC 12V–24V compatible — works across a broad range of vehicles
• 31 High-Brightness LEDs: Maximum side visibility for safer road presence
• Waterproof Design: Built to withstand rain, dust, and harsh road conditions
• Projection Alert: Projects a beam to alert pedestrians and vehicles approaching from the rear or side
• Aluminum Bracket: Durable, heat-resistant mounting bracket for long service life
• Easy Screw Installation: No specialist tools required — simple bolt-on fitment
• Wide Application: Suitable for trucks, trailers, lorries, buses, vans, caravans, and more

Specifications

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Important Notes

• Please allow 0.5–1 inch variance due to manual measurement.
• Actual color may vary slightly from product images due to differences in monitor settings.

For more information on vehicle lighting safety standards, visit the National Highway Traffic Safety Administration or refer to the FMCSA commercial vehicle lighting regulations. For general road safety guidance, the CDC Motor Vehicle Safety resource provides authoritative information on safe driving practices.

Learn more: Automotive lighting

Frequently Asked Questions

Q: Is this LED side marker light compatible with both 12V and 24V truck electrical systems?

A: Yes! This 31-LED side marker light is designed to work universally with DC 12V and DC 24V systems, making it compatible with a wide range of trucks, trailers, buses, vans, and caravans regardless of their electrical configuration.

Q: Is the side marker light waterproof enough for outdoor and road use?

A: Absolutely. This lamp features a waterproof construction, making it suitable for all-weather road use including rain and dusty environments typically encountered by commercial trucks and trailers.

Q: How is this LED side marker light installed?

A: Installation is straightforward using a standard screw-mount method. The aluminum bracket is included, and no specialist tools are required. It can be fitted to the side of most trucks, trailers, lorries, buses, or caravans quickly and securely.

Q: What does the projection feature on this side marker light do?

A: The built-in projection feature casts a beam onto the ground or surrounding area, helping to make your vehicle more visible to pedestrians and other road users approaching from the side or rear — especially useful when maneuvering in low-light conditions or tight spaces.