Peterbilt 389 Cab, Sleeper & Cowl Panels

Upgrade Your Peterbilt 389 Cab & Sleeper Side Panels

Explore Peterbilt 389 cab cowl panel kits, sleeper panel wraps, and rear-fill pieces to customize and stylize your semi truck. Find exterior cowl panel and DPF cab panels made to fit the Peterbilt 389 model years (2007-2024). Choose products that fit your cab configuration, from 36-inch flat tops to long 78-inch sleepers. Made from polished stainless steel or durable aluminum, these panels aren’t just for looks—they protect your cab and sleeper from road grime, wear, and weather. You can pair your purchase with aftermarket Peterbilt 389 cab repair parts and accessories or a total Peterbilt 389 day cab conversion.

Personalize Your Rig

Want to upgrade your truck’s curb appeal? These sleeper and cowl panels are a great place to start. Many styles include pre-drilled mounting holes, LED light cutouts, or riveted finishes for that classic custom look. Clean lines and mirror-polished surfaces give your 389 that showroom shine even after thousands of miles.

Benefits of Customizing the Exterior Sleeper & Cab

- Designed for a perfect fit on Peterbilt 389 & 388 models - Made for 36", 44", 63", 70", and 78" sleepers - Choose from plain, lighted, or custom-cut styles - Built from high-quality stainless or aluminum for long life - Easy bolt-on installation to get back on the road faster
Whether you're looking to refresh your truck's side profile or add some extra protection and shine, these aftermarket sleeper and cowl panels deliver serious value. Consider upgrading your Peterbilt 389 sleeper area as well for additional comfort and style inside and out. Upgrade your Peterbilt 389 with panels that work as hard as you do.