Fitment: Nilight 4x6 Inch LED Headlights are designed to be compatible with Kenworth T800 / T400 / T600, Peterbilt 357 / 378 / 379, Chevy K5 K10 K20 K30 Blazer S10, Peterbilt, Chevy Suburban, Blazer, Silverado, Ford, Freightliner and most vehicles with 4x6 inch headlights. Replaces headlight type: H4651 H4652 H4656 H4666 H4668 H6545

Sharped Z-Cut Line - Advanced DOT certified high/low beam ensures a safe and legal ride. The optically designed lenses provide 100% control of light, refracting it through the angles we designed, controlling the output for better beam clarity and refraction angles without dazzling oncoming traffic

Anti-Flicker: Built-in anti-flicker energy-storage capacitor inside the headlight, fundamentally solve the problem of headlight flicker problems. No extra decoder and bracket needed. Featuring premium high output LEDs, with a 60% lower power consumption than standard headlights. Compared with the original LED lights, higher brightness, wider field of vision, energy saving, no radiation

DOT and SAE Certified: LED Headlights pass both DOT certification and SAE certification requirements making them legal for street use. These LED Lights also feature a dust and waterproof rating of IP 67, to ensure excellent weather resistance and impact resistance. The superior glass lens features higher transmittance, UV and heat resistance, and OEM-grade housing is designed to withstand all kinds of weather and terrain

Plug and Play - standard H4 plug for quick installation. We also provide the socket conversion harness for non-standard plugs, so you don’t have to worry about plug mismatches, and the extension screws make the whole process effortless