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Truck-Lite · Electrical & Lighting
44221Y
In stock · ships from Knoxville
This is a Truck-Lite Super 44 LED rear turn signal lamp, built for heavy-duty trucks and trailers.
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Universal fit
Fits standard 4-inch round flange mount openings common on many heavy-duty truck and trailer bodies. Not vehicle‑specific; check your mounting hole diameter and depth. Note: the inventory title says '4'', but the actual lens diameter is 4 inches.
Part data verified against 3 catalog sources
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It uses a 4-inch round yellow polycarbonate lens with 42 bright LEDs, a gray flange mount, and a Fit 'N Forget stainless steel connection that resists corrosion. LED technology gives faster illumination than incandescent bulbs, helping following drivers react sooner, while drawing only 0.42 amps to reduce electrical load. Replace this lamp when the original turn signal fails, or upgrade from older incandescent lights for better reliability and visibility.
Part Number: 44221Y
4' LED REAR TURN LAMP
Unit: ea
Dealer: Post Onsite
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