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Diamond Shell Optics: Unique faceted lens design enhances light distribution and provides a modern, high-end appearance.
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Instant-On Safety Advantage: Solid-state LEDs turn on instantly to give trailing drivers extended reaction time.
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6 High-Output Diodes: Delivers bright, uniform amber/yellow light output for unambiguous rear turn signaling.
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Low Amperage Draw: Efficient solid-state LED design conserves vehicle electrical power and reduces alternator load.
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Fit 'N Forget® S.S. Connector: Moisture-sealed stainless steel plug guards electrical terminals against rust and road chemicals.
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Shock & Vibration Resistant: Filament-free, solid-state construction withstands severe road impact and heavy vehicle operation.
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Fully Sealed Epoxy Construction: Polycarbonate lens and housing seal out dirt, salt, and water intrusion.
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DOT & FMVSS Compliant: Fully meets FMVSS 108, CMVSS 108, DOT, and SAE I6 signal standards.
Truck-Lite 44280Y – Super 44, Diamond Shell, 4" Round Yellow LED Rear Turn Signal Light (6 Diode, Grommet Mount, Fit 'N Forget S.S., 12V)
Maximize signaling clarity, roadway safety, and vehicle style with the Truck-Lite 44280Y Super 44 Diamond Shell LED Rear Turn Signal Light. Engineered for commercial trucks, trailers, buses, utility vehicles, and heavy equipment, this 4-inch round yellow light features Truck-Lite’s distinct Diamond Shell lens pattern combined with a high-efficiency 6-diode LED layout. The solid-state LEDs illuminate faster than traditional incandescent bulbs—giving trailing drivers critical extra reaction time. Designed for standard grommet mounting, low electrical power draw, and equipped with Truck-Lite’s corrosion-sealed Fit 'N Forget® S.S. connection system, the 44280Y delivers heavy-duty turn signaling performance with a premium modern look.
When operating in high-traffic zones, busy job sites, or poor lighting conditions, clear turn signaling is vital. The Truck-Lite 44280Y Super 44 Yellow LED Rear Turn Lamp features a specialized Diamond Shell optic design that magnifies light distribution across its 6 high-output amber LEDs. Solid-state technology allows the lamp to turn on instantly when activated—providing surrounding motorists and trailing drivers with faster visual detection and valuable additional braking reaction time.
Engineered for ultimate electrical efficiency, the 44280Y draws minimal power (0.02A Minor / 0.28A Major) on standard 12V DC systems, conserving vehicle battery capacity and reducing strain on the alternator. Its standard 4-inch round profile integrates seamlessly into industry-standard mounting grommets, allowing for easy flush-mount installation on truck rear bodies, trailer frames, and service beds.
Built without fragile filaments that burn out or break under severe road shock and engine vibration, the Truck-Lite 44280Y is built for long-haul commercial operation. The fully epoxy-sealed polycarbonate lens and housing protect internal circuitry against water intrusion, road salt, dirt, and chemical exposure. Equipped with Truck-Lite’s signature Fit 'N Forget® Stainless Steel (S.S.) connector, this light prevents terminal oxidation and moisture corrosion, ensuring long-term service life backed by a Limited Lifetime Warranty.