The Wingmaster Stainless Steel Peterbilt - Urea Catalytic Cover is a practical and reliable solution for your Peterbilt 389. Made of durable stainless steel, this cover is designed to fit most Peterbilt 389 makes and models from 2012 and older. Sold as a set of three pieces, it offers a Urea Catalytic Cover that ensures efficient and effective performance. With its high-quality construction, this cover provides long-lasting protection for your vehicle's catalytic system. Upgrade your Peterbilt 389 with this reliable and functional Urea Catalytic Cover.