The TPHD Lower Heater Trim is a practical and durable accessory designed specifically for Peterbilt 378 and 379 models. Made of stainless steel, this trim fits most Peterbilt 378 models from 1988 through 2007, as well as most Peterbilt 379 models from 1987 through 2007. With its sleek design and reliable construction, this trim enhances the overall appearance of your vehicle while providing a functional solution for your heating system. Upgrade your Peterbilt with this high-quality accessory that combines style and practicality seamlessly.