Make your ride shine with this 12 diode amber LED fender turn signal light, designed as a direct replacement lighting component for select Peterbilt 579 applications. Built with a sealed polycarbonate housing and amber lens, it is intended to provide consistent turn signal visibility while withstanding regular road vibration and exposure. The 12-LED configuration delivers a bright amber output to support clear signaling in both daytime and nighttime driving conditions. This fender-mounted signal light is engineered for OEM-style fitment using factory-style mounting studs, allowing it to integrate with existing fender locations. It is sold as a single unit and is typically used for repair or replacement when original fender signal lighting becomes worn, damaged, or non-functional. The sealed construction helps protect internal electronics from moisture intrusion, making it suitable for commercial trucking environments where reliability is important. Fitment can vary depending on truck model and year, so confirming compatibility before installation is recommended.