The Peterbilt 389 OEM Cowl Panels (TX-TP-1343LTF) are equipped with 6 Flatline Trailer LEDs, providing enhanced visibility and safety on the road. These panels are designed to fit perfectly on your Peterbilt 389 truck, ensuring a seamless and professional look. The 6 Flatline Trailer LEDs offer increased visibility, making it easier for other drivers to see your truck, especially during nighttime or low-light conditions. With these cowl panels, you can enhance the practicality and safety of your truck without compromising on style or functionality.