Sterling L-Series Light Bars & Filler Panels Light up your rig with customizable undercarriage lighting and mounting brackets for Sterling L-Series trucks. From single watermelon-style accent lights to full 72-inch LED kits, this lineup lets you boost both style and visibility. Choose from different LED colors to personalize your truck while improving nighttime safety. Whether you're adding a subtle glow or a full lighting system, these high-quality options help you stand out on the road.