The Peterbilt 579/587 and Kenworth T660 4 1/4 Inch Round LED Fog Light is a high-quality, reliable lighting solution for your vehicle. With 6 high power CREE LEDs and a 12 LED position light bar, this fog light provides excellent visibility in any weather conditions. Its aluminum die-cast housing ensures durability, while its OEM fit allows for easy installation by plugging into the existing wiring harness. DOT and SAE approved, this fog light offers peace of mind and meets all necessary safety standards. With 800 lumens and a voltage range of 10V to 30V, it provides bright illumination and is suitable for multiple vehicles. Its IP65 waterproof rating ensures long-lasting performance. Sold individually, this fog light is a practical and efficient choice for enhancing your vehicle's lighting system.