The Peterbilt 389 4 Inch Straight Rear Edge Wide Cab Replacement Panel is a practical solution for Peterbilt 389 owners. Made of stainless steel, this panel is sold in pairs and comes with mounting hardware included. It fits most Peterbilt 389 models, providing a seamless replacement for the rear edge cab and wide panel. With its durable construction and easy installation, this replacement panel offers a convenient and reliable solution for maintaining the integrity of your Peterbilt 389.