Upgrade your Peterbilt 377, 378, or 379 model with the Rear Vortox Air Cleaner Light Box. This practical addition features 5 elite style red LEDs, adding a touch of style and visibility to your truck. Made of durable stainless steel, this light box is sold in pairs and is designed to fit most models from 1987 and newer. Enhance the look and safety of your truck with this easy-to-install accessory.