Upgrade your Peterbilt 579 or 587 with our Amber LED and Amber Lens Fender Turn Signal Light. This unique light bar features a patent-pending design and a direct plug-n-play installation with an OEM-style connector. Available for both driver and passenger side applications, this turn signal light is sold individually and provides a practical and stylish addition to your truck. The amber LED and lens ensure maximum visibility and safety on the road. Upgrade your truck with this high-quality turn signal light today.