TecNiq S51 Heavy Duty LED Identification Bar
The TecNiq S51 Heavy Duty LED Identification Bar is a sleek over 80″ trailer identification light designed for utility trailers, cargo trailers, dump trailers, equipment trailers, flatbeds, truck bodies, and commercial vehicle applications requiring DOT-compliant rear identification lighting.
Built using three integrated TecNiq S18 LED side markers, the S51 combines modern low-profile styling with dependable commercial-grade durability. Its streamlined housing pairs perfectly with matching TecNiq S18 marker lights while delivering bright rear trailer visibility for wide trailer applications.
The TecNiq S51 features fully sealed IP68-rated waterproof construction with TecSeal urethane potted electronics for superior circuit board protection and long-lasting reliability. Designed to exceed FMVSS 108 lighting standards, this durable identification bar provides dependable over 80″ trailer visibility while maintaining a clean professional appearance.
Free shipping in the lower 48 states.
What’s Included
- (1) TecNiq S51 Heavy Duty LED Identification Bar
- (4) Quick splice connectors
- (4) Solder seal connectors
TecNiq S51 Technical Features
- Designed for trailers and vehicles over 80″ wide
- FMVSS 108 compliant identification lighting
- Fully submersible IP68-rated waterproof construction
- Sleek low-profile identification bar design
- TecSeal urethane potted electronics for circuit board protection
- Built using (3) integrated TecNiq S18 LED marker lights
- Durable impact-resistant lenses
- Available in colored or clear lens configurations
- Reliable LED performance rated over 100,000 hours
- Designed for harsh trailer and commercial vehicle environments
- Pairs with matching TecNiq S18 side markers
- Made in the USA
- Backed by a TecNiq lifetime warranty
Wire Functions
- White/Colored Stripe — Ground
- Black — Positive
Common Applications
- Utility trailers
- Cargo trailers
- Dump trailers
- Equipment trailers
- Flatbed trailers
- Gooseneck trailers
- Truck bodies
- Commercial trucks
- Fleet vehicles
- Over 80″ trailer lighting applications
Questions?
Need help choosing the correct TecNiq trailer lighting products for your application? Contact Johnson Trailer Parts for assistance with trailer lighting, DOT compliance, wiring, and fitment.
Call (602) 292-9690,
email sales@johnsontrailerparts.com,
or contact us through our website.






