87114RF 4 Inch Round Flange Mount LED Trailer Tail Light (12-24V, 12 SMD) – IP67 Submersible DOT FMVSS 108 Stop Turn Tail Light Wholesale
Commercial-Grade 3-Wire Flange-Mounted LED Signal Lights for Heavy-Duty Trucks, Utility Fleets & Boat Trailers | Direct Factory OEM & Bulk Supply
| Technical Specification | Engineering Details & Parameters |
| Product Type | 4″ Round Flange Mount LED Stop / Turn / Tail Light |
| Functional Mode | 3-in-1 Combined (Stop Brake, Rear Tail/Running, Directional Turn) |
| Lens Diameter / Size | Standard 4 Inch Light Diameter (Exterior Flange OD ~5.3–5.5″) |
| Mounting Style | Integrated 3-Hole Surface Flange Mount (Direct Bolt/Screw Installation) |
| Operating Voltage | Multi-Voltage DC 12V – 24V Adaptive (Compatible with Light & Heavy-Duty) |
| Light Source | 12 High-Power Super SMD LEDs |
| Luminous Lifespan | Rated >50,000 Hours Continuous Operation |
| Waterproof & Ingress Rating | IP67 Submersible (Ultrasonically Welded Polycarbonate Housing & Lens) |
| Wiring Configuration | 3-Wire Lead with Pre-Terminated Round Ring Terminals |
| Regulatory Compliance | SAE J593c / J586 / J1395, DOT FMVSS 108 Certified (Street Legal) |
| B2B Supply Capabilities | OEM Custom Packaging, Private Labeling, Custom Wire Lengths Available |
DOT FMVSS 108 & SAE Street-Legal Compliance: Fully engineered and certified to meet North American DOT FMVSS-108 and SAE lighting standards, ensuring zero compliance risk for commercial trailer manufacturers, OEM assemblers, and fleet operators.
Hermetically Sonic-Welded IP67 Submersible Design: Features a sealed polycarbonate housing fused ultrasonically to the lens. Withstands high-pressure washdowns, lake boat submersion, corrosive de-icing road salts, and extreme weather from -40°C to +65°C.
Dual 12V / 24V Universal Voltage Compatibility: Advanced onboard driver circuitry seamlessly handles DC 12V to 24V inputs without overheating, standardizing inventory across light utility trailers, 12V RVs, and 24V heavy-duty commercial semi-trucks.
Durable 3-Hole Flange Surface Mounting: Unlike friction-fit rubber grommet lights that vibrate loose on rough off-road terrain, the integrated 3-hole flange allows secure, vibration-proof bolt-on installation onto trailer chassis and flatbed rear gates.
12 High-Intensity Super SMD Diodes: Delivers dual-level brightness (Low intensity for tail/marker running; High intensity for brake stop and turn signal) with rapid response time (<0.1s) and over 50,000 hours of maintenance-free service.
Certificates
Q1: Is this 4-inch round LED tail light legal for commercial highway use in the US and Canada?
A: Yes. This 4-inch round tail light is manufactured in compliance with SAE and DOT FMVSS 108 standards. Official regulatory markings are molded directly onto the lens, meeting OEM vehicle assembly and DOT commercial fleet inspection requirements.
Q2: How does a flange-mount tail light compare to a rubber grommet push-in light?
A: Flange-mount tail lights use direct screw or rivet fastening through three mounting holes, providing a permanent mechanical lock. This eliminates the risk of lights popping out from heavy trailer chassis vibration, road impacts, or rubber grommet dry rot, making it ideal for heavy commercial and marine applications.
Q3: Can this light be completely submerged on boat trailers?
A: Yes. The unit features an IP67 waterproof rating with ultrasonically fused housing and sealed wire exit ports, making it fully submersible in both freshwater and marine boat trailer applications without water ingress.
Q4: What is the wiring color code and electrical connection?
A: The light comes with a 3-wire harness with round ring terminals. Standard setup: White Wire connects to Common Ground (-), Black Wire powers the Low-Intensity Tail/Running Light (+), and Red Wire triggers the High-Intensity Stop/Turn Signal (+). Custom wire colors and harnesses are available for OEM volume orders.
Q5: Can this light operate on 24V commercial vehicle systems?
A: Yes. The internal constant-current IC driver supports a broad 12V to 24V DC input range, making it universally compatible across 12V light-duty trailers and 24V commercial fleet semi-trucks.
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