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Peterbilt 389 Cab, Sleeper & Cowl Panels

Find the best Peterbilt 389 cab, sleeper, and cowl panels at 4 State Trucks. Check out our aluminum or stainless steel kits with or without light options. Whether you prefer full wrap or standard wrap panels, we have the perfect fit for your truck. Discover your ideal match today and upgrade your ride with ease.
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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.

Frequently Asked Questions About Peterbilt 389 Cab, Sleeper & Cowl Panels

Will these panels fit my specific Peterbilt 389 model year?

Cab, sleeper, and cowl panels are typically designed to match specific production year ranges for the Peterbilt 389, since body styling and mounting points can change over time. Always check the fitment details listed on each product page and compare them to your truck's VIN or build sheet before ordering. If you're unsure, our team can help you confirm compatibility prior to purchase.

What materials are these panels made from, and how do they hold up over time?

Panels in this category are commonly available in materials such as fiberglass, steel, or aluminum, depending on the specific part. Fiberglass panels are popular for their lighter weight and resistance to corrosion, while metal panels can offer added durability in high-impact areas. Review the material listed on each product page, since long-term performance can vary based on exposure to road debris, weather, and washing frequency.

Do these panels come primed and painted, or will I need to finish them myself?

Most cab, sleeper, and cowl panels are sold unpainted or in a gel-coat/primer finish, requiring paint matching to your truck's color before or after installation. Some sellers may offer pre-painted options for an added cost. Be sure to check the product description for finish details so you can plan for paint and bodywork accordingly.

How difficult is it to install a replacement cab, sleeper, or cowl panel?

Installation difficulty depends on the specific panel and location on the truck. Some panels, like cowl panels, may involve straightforward bolt-on or clip installation, while larger cab or sleeper panels often require more extensive bodywork, alignment, and possibly professional fitting. If you're not experienced with body panel work, we recommend having the installation performed by a qualified technician or body shop.

Are these panels sold individually or as part of a kit?

This varies by product. Some panels are sold individually to replace a single damaged section, while others may be offered as multi-piece kits for a full cab or sleeper corner repair. Check each listing carefully to confirm whether you're purchasing a single component or a complete kit, and verify it matches the extent of the repair you need.


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