TecNiq S12 2.5″ Round LED Side Marker Light Kits – Grommet Mount
Upgrade your trailer lighting with genuine TecNiq S12 2.5″ round LED side marker light kits. Available in amber or red LED configurations with standard or 4 LED designs, the S12 provides dependable visibility, low-profile styling, and long-lasting performance for trailers, truck bodies, service bodies, and commercial vehicles.
Designed for side marker, clearance, and marker light applications, every kit includes premium installation accessories for a clean, professional installation.
Built in the USA and backed by a TecNiq Limited Lifetime Warranty, the S12 features IP68 waterproof construction, TecSeal urethane-potted electronics, UV-resistant polycarbonate lenses, and long-life LED technology designed to withstand harsh environments.
Free shipping in the lower 48 states.
What’s Included
- (2) TecNiq S12 LED Side Marker Lights
- (2) Rubber Grommets
- (2) 2-Pole Wire Connectors
- (4) Heat Shrink Solder Connectors
- (4) Quick Splice Connectors
Available Configurations
- S12-AA00-1 – Amber LED / Standard / 2-Pole
- S12-AA40-1 – Amber LED / 4 LED / 2-Pole
- S12-RR00-1 – Red LED / Standard / 2-Pole
- S12-RR40-1 – Red LED / 4 LED / 2-Pole
Side Marker & Clearance Light Applications
The TecNiq S12 is commonly used as a trailer side marker light, clearance light, and marker light on utility trailers, cargo trailers, enclosed trailers, equipment trailers, truck bodies, service bodies, fleet vehicles, and custom builds. Its compact 2.5″ round design provides excellent visibility while maintaining a clean, low-profile appearance.
Standard and 4 LED Options
Choose between standard LED configurations or upgraded 4 LED models for increased light output and visibility. Both options deliver the same dependable TecNiq quality, durability, and long service life.
Amber and Red LED Configurations
Amber models are ideal for front and side marker light applications, while red models are commonly used for rear marker and clearance light applications. Both configurations provide bright, reliable illumination and meet the demands of commercial and recreational trailer use.
Easy Grommet-Mount Installation
The S12 utilizes a grommet-mount design and includes 2-pole connectors for fast, secure installation. Each kit includes installation hardware to simplify wiring and help create a professional finished appearance.
Built for Harsh Environments
Featuring TecSeal urethane-potted electronics, UV-resistant polycarbonate construction, and an IP68 waterproof rating, the S12 is engineered to withstand vibration, road spray, moisture, dust, and demanding outdoor conditions.
Made in the USA
TecNiq manufactures the S12 in the United States using premium materials and strict quality standards. Every light is backed by TecNiq’s Limited Lifetime Warranty for long-term confidence and reliability.
Common Applications
- Utility Trailers
- Cargo Trailers
- Enclosed Trailers
- Equipment Trailers
- Landscape Trailers
- Boat Trailers
- Truck Bodies
- Service Bodies
- Fleet Vehicles
- Commercial Vehicles
- Custom Trailer Builds
Why Buy from Johnson Trailer Parts?
Johnson Trailer Parts supplies genuine TecNiq lighting products backed by real-world trailer knowledge and installation experience. We help trailer owners, repair shops, manufacturers, and fleet operators find dependable lighting solutions built to perform for years in demanding environments.
Questions?
Need help choosing the correct TecNiq lighting products for your application? Contact us for assistance with wiring, fitment, and lighting selection.
Call or text: (602) 292-9690
Email sales@johnsontrailerparts.com










