Peterbilt 375/377 Fairings & Steps: The essential accessories for your Peterbilt 375 or 377 semi-truck. Crafted from durable fiberglass, these sleek fairings and sturdy steps provide optimal aerodynamics and functionality. With a range of options to fit 63-inch Unibilt Ultra and High Roof sleepers, you can enhance the style and performance of your truck. Whether you need a passenger-side extender, driver-side extender, or a full set, these Peterbilt-specific components help streamline airflow, improve fuel efficiency, and ensure safe access to your cab. Elevate the look and capabilities of your 375 or 377 with these high-quality Peterbilt fairings and steps.