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Dual-Function Optic Engineering: Innovative optics allow this single, PC-rated light to pull double duty as both a marker and clearance light.
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Reflectorized Safety Lens: Features a built-in reflex lens that guarantees passive, unpowered safety visibility even when the vehicle is parked.
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Low Current Draw: Energy-efficient 2-LED layout limits amp draw, reducing alternator strain and maximizing vehicle battery life.
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Fit 'N Forget M/C Connection: Provides premium protection against moisture and environmental wear via a hardwired, corrosion-proof connection point.
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Robust Sealed Construction: Non-filament LED design resists shock and vibration while the epoxy-sealed housing guards against water and road chemicals.
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Lifetime Manufacturer Warranty: Enjoy absolute peace of mind and eliminate bulb maintenance costs with Truck-Lite's trusted lifetime warranty protection.
Truck-Lite 21251Y – 21 Series Yellow Rectangular LED Marker Clearance Light (2 Diode, Reflectorized, Fit 'N Forget M/C, 12V)
Optimize your fleet’s visibility and electrical efficiency with the Truck-Lite 21251Y 21 Series Yellow Rectangular LED Marker Clearance Light. Featuring an advanced, innovative optic design, this highly engineered PC-rated lamp acts as both a side marker and a clearance light in one, meeting strict federal DOT requirements while cutting down your hardware costs.
Equipped with a highly efficient 2-diode LED setup, this 12V yellow (amber) light draws significantly less current than standard incandescent options, saving vital power for other critical onboard vehicle electronics. Built with a heavy-duty, impact-resistant polycarbonate lens and housing, the electronics are completely sealed in epoxy to guard against water ingress and corrosion. Utilizing a standard 2-screw mounting configuration and the industry-preferred Fit 'N Forget M/C plug, this light is a durable, direct retrofit solution for any commercial truck or trailer.
