This Peterbilt Amber Cab Marker Light is an essential accessory for your 387, 388, or 389 truck. It is guaranteed to fit perfectly and provide the necessary illumination for your vehicle. With its durable construction, you can rely on it to last for a long time without any issues. It is compatible with a wide range of Peterbilt models and is easy to install. This cab marker light is perfect for those who value high-quality and reliable truck parts. Its amber color provides excellent visibility, which is ideal for driving in low-light conditions. With this accessory, you can enhance the safety and performance of your vehicle. Don't miss out on this opportunity to upgrade your truck with this top-of-the-line marker light.