Unmatched Brightness. Ultimate Visibility.
The SL3s set the bar, but the SL4s shatter expectations—because when visibility matters most, only the best will do. Engineered for maximum brightness and precision, SL4 LED headlights outshine the SL3 with sharper beams, enhanced durability, and smarter technology.
Standard on all BOSS Cold Front Technology plows, they don’t just light the way—they dominate the night.
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All-in-One Solution
The SL4s feature built-in turn signals, parking, warning, and accent lights, offering unmatched safety and visibility—ensuring you're seen from every angle.

ClearBeam Technology
With over 200 degrees of vision, the optimized lighting expands your view beyond the front, offering exceptional downward illumination, helping you see more, plow smarter, and tackle every job with confidence.

Engineered for Extreme Environments
Built for the toughest conditions, these lights feature a sealed system, temperature-regulated heater grid, rugged polycarbonate lens, and a refreshed SL4 Light Bar for unmatched reliability.
SL3 VS. SL4 With ClearBeam
Think the SL3s are bright? The SL4s take it to the next level—sharper, stronger, and smarter. As the brightest plow headlights on the market, they redefine visibility.
Use the slider below and see the difference for yourself.


Don't Just Take our Word for it
Real contractors have used and tested them through multiple seasons, calling them the brightest, clearest, and most reliable plow headlights they've ever had.
"I love the new lights. I don’t want to plow at night because I know I’ll end up switching over my whole fleet!"
Andy Erickson
"The lights are fantastic…amazed how wide the light pattern is."
James Roner
“I absolutely love the lights. They are the best I've ever sat behind!”
John Chmielecki
“I love the ClearBeam feature. Other operators in my fleet are jealous of them!”
Jacob Booth
SL4 LED headlights are standard on all Cold Front Technology Plows. For the 2025-26 season, Cold Front Technology will be available on DXT, XT, TEV, and Super Duty models (Excluding 10' HD DXT). SL4 LED headlights are not compatible with 13-pin electrical systems or SL3 plow lights.
